{"as_of":"2026-08-22T02:58:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:e73088374283788b0ff8ef95d07ea1f02d7dfa4247c52818ac3a8730d4f60852","coverage":[{"denominator":60,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":60,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T14:22:35.249770Z","state":"measured"},{"denominator":60,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":60,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-21T06:32:19.484+00:00","state":"measured"},{"denominator":0,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[],"links":{"evidence":"/evidence","html":"/paper/1908.03302/citation-record","integrity":"/paper/1908.03302/integrity","json":"/paper/1908.03302/citation-record.json","paper":"/paper/1908.03302"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1148/radiology.196.1.7784555","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.605572Z","title":"Solid breast nodules: use of sonography to distinguish between benign and malignant lesions","venue":null,"work_id":"d5bd9bc7-8844-4355-ae1e-ffbea583a8a4","year":1995},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:34.966758Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:39e06e87f9b6f05b126dfc097d77f27bc7598f802406e3c26dffe53e3d77842b","observation_id":"ece32ca6-8eed-4f12-bad0-4811ee1d760e","resolution":{"observed_at":"2026-08-14T14:22:35.611746Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.351507Z","title":"Quantitative cross- sectional imaging of ultrasound parameters,","venue":null,"work_id":"b65effd9-4fdf-462b-bdde-3c25d30867e2","year":1977},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:34.972883Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:ebae2d0936818bb325a8cec492684f1bd638bb73135e34cd13a1830b2318dc7a","observation_id":"0d3a5e74-3992-4812-bd25-1e1ff26b1914","resolution":{"observed_at":"2026-08-14T14:22:36.357174Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1121/1.1336896","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.589914Z","title":"Empirical relationships between acoustic parameters in human soft tissues,","venue":null,"work_id":"9fe415ea-f8a2-4807-9e13-f84fbfd41c4e","year":2000},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:34.977580Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:90c471f578bb35539ba8579cf2b30246a707735e0ae5aefe2f1e2257d2ab0d82","observation_id":"67a90bc7-2845-4224-b47c-c42b76303cb1","resolution":{"observed_at":"2026-08-14T14:22:35.595298Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.335541Z","title":"Using speed of sound imaging to characterize breast density,","venue":null,"work_id":"76ae78ee-7527-4098-916b-206d986b656c","year":2017},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:34.982336Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:0772724b6e45419d23e7c40678ca07f6d8f250a562b12f34e77235bd1cfa5ba4","observation_id":"3564e48f-e6f2-4e56-a92a-833616f7632f","resolution":{"observed_at":"2026-08-14T14:22:36.340760Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1148/radiol.2301020870","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.574446Z","title":"Quantitative assessment of mammographic breast density: Relationship with breast cancer risk,","venue":null,"work_id":"8a6c99d0-c652-4d09-a032-10d74b047fc0","year":2004},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:34.987367Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:473cd7bc0a6c3e6c2195afd9923e1292f12cae5e1e0860998e9cb9e5077bb9d3","observation_id":"a0a6d304-980a-4baa-b7ac-ddc382696a53","resolution":{"observed_at":"2026-08-14T14:22:35.579555Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1118/1.3360180","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.559717Z","title":"Refraction corrected transmission ultrasound computed tomography for application in breast imaging,","venue":null,"work_id":"ce65abed-b015-4a57-a4b1-915f4d8d616d","year":2010},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:34.992148Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:7d16543d1581e3bf644fcc7ca11ead2d3cee246ad857309ef58a698087663fda","observation_id":"00705b9f-0832-4c34-8a83-4010e99737f8","resolution":{"observed_at":"2026-08-14T14:22:35.564887Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.315330Z","title":"Regularization of image reconstruction in ultrasound computed tomography,","venue":null,"work_id":"b35004a0-93d8-4263-b76e-bf72686fc9ee","year":2015},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:34.997310Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:5331d19b1e3263bc456df53bb22f8e29791e7cc257ea40ffa38fe7657c0930da","observation_id":"a746145f-d8ed-4304-82f5-cb371f5316bb","resolution":{"observed_at":"2026-08-14T14:22:36.321465Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.298739Z","title":"3D ultrasound computer tomography: Hardware setup, reconstruction methods and first clinical results,","venue":null,"work_id":"3cfaf1ca-e663-46d8-985f-659663dd552a","year":2017},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.001889Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:9ba57587a71c3561a87ac32f9e480bf6cce3b5bf2cd3e66eba31e7b85b6d3217","observation_id":"cef83221-e9a7-4bff-ba2c-e67a2b1c68ea","resolution":{"observed_at":"2026-08-14T14:22:36.304145Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.264819Z","title":"Diffraction effects upon finite-frequency travel times: A simple 2-D example,","venue":null,"work_id":"91e354ad-7001-49b1-87e9-61cb9b186866","year":1983},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.012371Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:f83972b0ef972957bcd5eecd5de821254bbad432e7cae0aaace49eb86abd04c4","observation_id":"1f557b70-bea4-4766-bb9f-e6071ee58d01","resolution":{"observed_at":"2026-08-14T14:22:36.269969Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.249269Z","title":"A guide to the limits of resolution imposed by scattering in ray tomography,","venue":null,"work_id":"0d5ee44c-7f2f-4884-8c9f-42cae8b0e6ba","year":null},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.016946Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:026c8307471a83a54dd4cd4c8d07c729e82ff805a95dd16878199b87100ccb21","observation_id":"5e5dca59-4481-4c7e-bad1-3849d7bf02ae","resolution":{"observed_at":"2026-08-14T14:22:36.254931Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.233965Z","title":"Methods for forward and inverse scattering in ultrasound tomography,","venue":null,"work_id":"d5c60e45-c4d0-4fc9-a536-3a664edc034e","year":2013},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.027297Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:73cab1ae13f2804661e65f2709b456b5e8fadf4b871b8f7adbffc5f4e87fc323","observation_id":"62c0a005-64d9-473d-8091-2fda37dc34cf","resolution":{"observed_at":"2026-08-14T14:22:36.238963Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.218696Z","title":"Clinical results with ultrasound computed tomography of the breast,","venue":null,"work_id":"0c3d04a9-0e77-4369-baa4-5e9c26e38c23","year":2013},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.032346Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:ee9ee611b570174777176c6d2eb34c37379b8693d9095c078f91ee027aa32afe","observation_id":"bccef0e9-448e-472d-89c0-0524e13fa5c9","resolution":{"observed_at":"2026-08-14T14:22:36.223868Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.203586Z","title":"Sound-speed and attenuation imaging of breast tissue using waveform tomography of transmission ultrasound data,","venue":null,"work_id":"a7f316b8-b4dd-4459-b84e-e869dca5c786","year":2007},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.037152Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:1d4b77d72790e722e04e96744c40f3bc63e31eaa63bcc1bd1599777f783f1166","observation_id":"a67287d7-6d4a-41a9-9685-cfe170213f80","resolution":{"observed_at":"2026-08-14T14:22:36.208382Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1121/1.4976688","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.529156Z","title":"Time domain reconstruction of sound speed and attenuation in ultrasound computed tomography using full wave inversion,","venue":null,"work_id":"e514a682-dcd2-4dee-a6fb-924a55b48987","year":2017},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.041800Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:9f5998e384adf9402b41864c581f838067dd219fa01422efc89bb11ea8b5d4ac","observation_id":"7c6f1d07-0f7d-4fdc-bb38-0482da049f44","resolution":{"observed_at":"2026-08-14T14:22:35.534600Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1117/12.2293299","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.514047Z","title":"Time-domain spectral-element ultrasound waveform tomography using a stochastic quasi-Newton method,","venue":null,"work_id":"95ffacb5-acce-446e-be1f-fbbf3a0b4fac","year":2018},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.046553Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:0ef38f664f39b70b417960742fd81454110f38939f5898ea6d0e66a19c929a91","observation_id":"db3e267d-856e-411d-b043-402ecc1cf342","resolution":{"observed_at":"2026-08-14T14:22:35.519075Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.188315Z","title":"3D imaging of the breast using full-waveform inversion,","venue":null,"work_id":"4bde2470-5046-4cdd-88da-ec6be4418c93","year":2017},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.051113Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:681e8b1e58ff80f6834e8d1e2349475668e0a306d39d63bdfd04a359ab970a7a","observation_id":"ba22bf1f-bce1-4062-89d6-2e19937f47c8","resolution":{"observed_at":"2026-08-14T14:22:36.193078Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.173339Z","title":"Frequency domain ultrasound waveform tomography: breast imaging using a ring transducer,","venue":null,"work_id":"fd2eb427-be4e-473d-a644-663c48bf1e24","year":null},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.055591Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:d88f424e37a10bcce132d1841d7aea29fbc27767f7d38f2c3a7a07c2e2f75a75","observation_id":"f7e61c0e-8a72-4ec4-8bc7-3f0517c8999f","resolution":{"observed_at":"2026-08-14T14:22:36.178263Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.142822Z","title":"A computer simulation study of soft tissue characterization using low-frequancy ultrasonic tomography,","venue":null,"work_id":"501d2178-053b-4580-b31a-4b16a17da272","year":2016},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.065353Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:cff112c85dd91c3e9510f67b04e666bbfcee300e075f60f4296cec5dd93aeaff","observation_id":"69cc151d-517d-4a20-a835-8373f3d5a7f3","resolution":{"observed_at":"2026-08-14T14:22:36.148265Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.127634Z","title":"Three-dimensional nonlinear inverse scattering: Quantitative transmission algorithms, refraction corrected reflection, scanner design and clinical results,","venue":null,"work_id":"01809ce2-4597-4ace-8576-c562b40ccee3","year":2013},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.069869Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:e531c2a36d7f4e37608780a72094ee4c4e5877d42f41141d687b83837c028dbe","observation_id":"d92df259-d56e-4ce8-b550-d123a044e2a6","resolution":{"observed_at":"2026-08-14T14:22:36.132400Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1117/12.2254399","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.498697Z","title":"3D frequency-domain ultrasound waveform tomography breast imaging,","venue":null,"work_id":"49c02476-aee9-4b05-a9d9-3c26c15cb35a","year":2017},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.074382Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:2974ae0bcd05cff72a5f7d0850b70d27c94e3683c58b22d74493654e4a808ce8","observation_id":"14369ce3-825c-4c71-8183-dca2202b6587","resolution":{"observed_at":"2026-08-14T14:22:35.503499Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.110973Z","title":"Medical ultrasound tomography: lessons from exploration geophysics,","venue":null,"work_id":"acb848b0-6c1c-4b69-bf8e-a25d16586d28","year":2017},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.078908Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:0afc67137dd615840ae0e9d16067aa48f3df89f01446dfbc5e11b679773f9efe","observation_id":"8b635ce5-8997-4fba-b84a-aad4ebb2ec37","resolution":{"observed_at":"2026-08-14T14:22:36.116448Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.096154Z","title":"Two-dimensional nonlinear inversion of seismic waveforms: Numerical results,","venue":null,"work_id":"e1e67350-b9c8-4e88-9c72-1fb5880c2b08","year":1986},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.083419Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:1d136fc88ce2f8d2388806dc20b189acfbc986f1e6e7aed61bc9e85a5c45adc6","observation_id":"bf0bdf2d-7cde-4c70-b939-7854408d6349","resolution":{"observed_at":"2026-08-14T14:22:36.100915Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.080937Z","title":"Multiscale seismic waveform inversion,","venue":null,"work_id":"0e8ab182-1672-4495-8254-bff907ff39dc","year":1995},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.088043Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:d1017b3e91532a9d36943061b574eea6f9f02f4152d78db8cee2412ffef97a9a","observation_id":"c2cfedee-d84a-4f97-91ca-567384130641","resolution":{"observed_at":"2026-08-14T14:22:36.085744Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1190/1.1443081","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.482542Z","title":"Wave-equation traveltime inversion,","venue":null,"work_id":"77ea8562-0136-4652-b0dc-4a757c9bbf74","year":1991},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.092716Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:621f7e4fb675064562829772aae6b617e3567fe53231ceee88254356778c9761","observation_id":"ef6ddacc-b53f-40f7-ab27-da225cbdc4c1","resolution":{"observed_at":"2026-08-14T14:22:35.487382Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.065192Z","title":"Fresnel zone inversion for lateral heterogeneities in the Earth,","venue":null,"work_id":"aab02bcc-f488-431f-9d49-750aa5c4cbc9","year":1992},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.097534Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:92f7e926d523c80a8492f4d2d7a3e9bfaf1a7b287696a6595e0de418dc40effe","observation_id":"e05d31bd-98e9-407a-94d6-b3a2aa5659b6","resolution":{"observed_at":"2026-08-14T14:22:36.070111Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.049838Z","title":"Three-dimensional sensitivity kernels for finite-frequency traveltimes: the banana-doughnut paradox,","venue":null,"work_id":"7735cef6-2229-4991-98c5-0f16a26d396e","year":null},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.102409Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:e26f2db44684002fad91fd77f08e36b99b4029bd244b2f7128183ee3dea5ec2c","observation_id":"0f447fa3-697a-4645-9273-be715aac2207","resolution":{"observed_at":"2026-08-14T14:22:36.055289Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":"2000.00070","doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.758523Z","title":"Fr ´echet kernels for finite- frequency traveltimes - I. Theory,","venue":null,"work_id":"f5d7a31e-6642-4483-8950-ecdd8e90e547","year":2000},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.113491Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:0aaabba13df1c7affa69c7cc004031384db2d04cee73f3a0de679052f2665ac1","observation_id":"38d25d21-d912-496b-812e-4476f51c9079","resolution":{"observed_at":"2026-08-14T14:22:35.766246Z","resolver_source":"raw_fallback","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.034462Z","title":"The S-velocity structure of the East Asian mantle from inversion of shear and surface waveforms,","venue":null,"work_id":"e300e9c7-9c51-49d1-a0ad-d71b3a33f107","year":2003},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.118992Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:0a8ae9e96edb0fc003bc386bdfea56fb20c856c8dcde19bf41cae3667f618d70","observation_id":"037b012c-7994-4bcb-b304-e3a0e104d644","resolution":{"observed_at":"2026-08-14T14:22:36.039695Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1029/2002jb002254","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.467590Z","title":"Multi-mode surface wave to- mography for the Australian region using a 3-stage approach in- corporating finite-frequency effects,","venue":null,"work_id":"705a62f7-90e4-46eb-84b0-2ff515c8fe0a","year":null},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.124948Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:754be7541f1f9139a4e510588df70bfe654739e4cd82944397583e691e438653","observation_id":"ccd33169-d8f4-487a-b18e-99bcee443ae6","resolution":{"observed_at":"2026-08-14T14:22:35.472512Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1038/ngeo231","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.450914Z","title":"Two-stage subduction history under north america inferred from multiple-frequency tomography,","venue":null,"work_id":"21929050-c1d3-4bea-bdd1-7d232be10c5e","year":2008},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.129649Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:4443e20eb84bc06608fd619245316ad4587057246a630c61d9109c5f0b695460","observation_id":"8068eb3d-874e-46b5-a238-aded3f93e8c3","resolution":{"observed_at":"2026-08-14T14:22:35.456727Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.017434Z","title":"Finite-frequency tomography reveals a variety of plumes in the mantle,","venue":null,"work_id":"138c67ec-fda2-4864-b4df-baa30818b6e5","year":2004},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":31,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.134073Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:cc5fea7655edfa519e5addf250242b3ba4cae6d4811e622eaa78937f59b94b76","observation_id":"793653ba-17b0-4213-8bcd-aae2bbfe3735","resolution":{"observed_at":"2026-08-14T14:22:36.023832Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1029/2005jb003677","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.434233Z","title":"Global upper-mantle structure from finite-frequency surface-wave tomography,","venue":null,"work_id":"70b39d64-bdac-4ad8-8d27-17b2083267b7","year":2006},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":32,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.138421Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:c7aa34c75a97f9dc10316703e6324f8650cc96662e4ee2032289503985128065","observation_id":"7636751b-4924-40b2-8ccb-3c96e3d922d5","resolution":{"observed_at":"2026-08-14T14:22:35.439385Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1093/gji/ggs017","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.417685Z","title":"On the linearity of cross-correlation delay times in finite-frequency tomography,","venue":null,"work_id":"b7fa9f89-6da2-4a3f-bc03-002e96cbf9e0","year":2012},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.143341Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:d492b63b46d5c422e3bc60d002aaf2bc13b56e5b2a03a76165cdcffdc48631d3","observation_id":"419fafb4-1a0f-4721-9e2a-907701fa83c1","resolution":{"observed_at":"2026-08-14T14:22:35.423060Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2003.01905","last_updated":"2020-03-04T05:48:21Z","snapshot_observed_at":"2026-08-20T23:41:44.752490Z","submitted_at":"2020-03-04T05:48:21Z","title":"Odds-Ratio Thompson Sampling to Control for Time-Varying Effect","version":1},"cited_work":{"arxiv_id":"2003.01905","doi":null,"metadata_source":"pith","pith_arxiv_id":"2003.01905","snapshot_observed_at":"2026-08-14T14:22:35.659016Z","title":"Odds-Ratio Thompson Sampling to Control for Time-Varying Effect","venue":"cs.LG","work_id":"c31e548c-041d-4308-ab24-27e21b27883b","year":2020},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":34,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.147845Z"},"links":{"cited_paper":"/paper/2003.01905","citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:cae0e953740189b3610342ac7aec1f4ee61c2ec7cd956f1adae0067cbe61e298","observation_id":"667fa6a4-a796-4c9e-8689-57e232db5d91","resolution":{"observed_at":"2026-08-14T14:22:35.664906Z","resolver_source":"local_arxiv","status":"metadata_mismatch"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1190/1.2358412","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.401401Z","title":"Validation of first-order diffraction theory for the traveltimes and amplitudes of propagating waves,","venue":null,"work_id":"5e15c67c-3efe-4e0e-a1ab-6d247c599c87","year":2006},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.152799Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:d0c1d48f821b301d5036184fea728e22a39b1a334ee75224b7bf7f7bc597393a","observation_id":"0eacf290-8a03-42e4-9637-10732a2f05a3","resolution":{"observed_at":"2026-08-14T14:22:35.406700Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.001568Z","title":"Theoretical background for the inversion of seismic waveforms, including elasticity and attenuation,","venue":null,"work_id":"999e2b5e-5397-40b9-92a4-e02b3e85cbdc","year":1988},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":36,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.157536Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:381956892dbbd727af7e807e375524db9732e558c182255b92a00f062189f423","observation_id":"447fed55-c5c1-4c9b-b457-0a7f78761f1f","resolution":{"observed_at":"2026-08-14T14:22:36.006502Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2004.02453","last_updated":"2020-04-06T07:52:04Z","snapshot_observed_at":"2026-08-16T07:38:37.762283Z","submitted_at":"2020-04-06T07:52:04Z","title":"Extending the Choquet theory: Trace convexity","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2004.02453","snapshot_observed_at":"2026-08-14T14:22:35.162195Z","title":"Seismic tomography, adjoint methods, time reversal and banana-doughnut kernels,","venue":null,"work_id":null,"year":2005},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.162195Z"},"links":{"cited_paper":"/paper/2004.02453","citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:e7fe2983e694e9879dc4f76243903477b9aa6203d221149cf2603fe6378ef9a0","observation_id":"bbbce06e-ff86-4dbf-88c2-cc1fbd60d55d","resolution":{"observed_at":"2026-08-14T14:22:35.162195Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.986484Z","title":"The adjoint method in seismol- ogy - I. Theory,","venue":null,"work_id":"54a37a5c-be4d-4cff-ab37-74877c9cde27","year":2006},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":38,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.166758Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:aacf589f6b4436905e0219568cf89b1d67f1a00ec0d6c952a34c543b9d1b7a3c","observation_id":"525c90a0-fc4a-49ef-bfba-5461342a2ce8","resolution":{"observed_at":"2026-08-14T14:22:35.991478Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.970916Z","title":"A review of the adjoint-state method for computing the gradient of a functional with geophysical applications,","venue":null,"work_id":"4bcba810-837f-487e-b580-f76cbeab32f5","year":2006},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":39,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.171098Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:aed8ecd14c93382a1dd69a76796b5c27227bc28ea25d3366e6999899f54f33ff","observation_id":"d1255b33-73d5-4041-add2-77c85370a586","resolution":{"observed_at":"2026-08-14T14:22:35.976123Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1111/j.1365-2478","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.385112Z","title":"Linearized inversion of seismic reflection data,","venue":null,"work_id":"8f47c019-31cf-4831-b86b-53fb02033d6d","year":1984},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":40,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.175635Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:ac4e423f5b4a5e573fddd0f2866309a76760df64ac03b232b64489fd42402cc8","observation_id":"fd783d28-addc-4b2f-87fe-28a9df053b94","resolution":{"observed_at":"2026-08-14T14:22:35.390341Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.955104Z","title":"Nolet, A Breviary of Seismic Tomography: Imaging the Interior of the Earth and Sun","venue":null,"work_id":"46f4fd72-a129-42cc-a564-78863fe13bfe","year":2008},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":41,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.180427Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:1d192d86c360b90995d2216246c673252a7d86b81f590d4808bc02d513747406","observation_id":"a40081e6-bc9d-4638-b9ab-ce8c1fd91d18","resolution":{"observed_at":"2026-08-14T14:22:35.960158Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1117/12.2043686","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.369928Z","title":"Toward a practical ultrasound waveform tomography algorithm for improving breast imaging,","venue":null,"work_id":"d1d41142-1415-43c4-8daf-1b5031c3ea22","year":2014},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":42,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.184742Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:b78c1543bab70692d813d1fbdb258ddc3d6120eb94091af43d5bd2f13a1c3beb","observation_id":"d7f5e43a-3297-49da-9d3f-827b2427e2a3","resolution":{"observed_at":"2026-08-14T14:22:35.374745Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.939823Z","title":"Diffraction effects upon finite-frequency travel times: A simple 2-D example,","venue":null,"work_id":"9ec40f89-27e5-43da-bc51-c1bd473c21ed","year":1983},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":43,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.189427Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:96572eb8b2970e211610d94ff12fd4ad68409c9aca3e060c7d1c0e8a1e6662b3","observation_id":"551515e3-8b38-4c6c-941c-6c4c027af5c3","resolution":{"observed_at":"2026-08-14T14:22:35.944566Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.194314Z","title":"Fast algorithms for Bayesian uncertainty quantification in large-scale linear inverse problems based on low-rank partial hessian approximations,","venue":null,"work_id":null,"year":2011},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":44,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.194314Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:f22deca40bfc6471e047c58198927a85df0f80292b4ba7725428f99ac22d7ed7","observation_id":"27b70446-b8e5-488a-8b45-b71f2e871533","resolution":{"observed_at":"2026-08-14T14:22:35.194314Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1002/2015jb012106","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.343608Z","title":"Resolution analysis by random probing,","venue":null,"work_id":"b3514618-35b3-4f99-87b2-4f16ea6ae8d1","year":2015},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":45,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.199303Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:90f3dad5fba0728a3b7e626c534f32a6416b8aa40985a7136bd448165452162f","observation_id":"8c9b1db7-fcf9-4214-ad55-543a2d34e1f6","resolution":{"observed_at":"2026-08-14T14:22:35.348393Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.924985Z","title":"USCT reference data base: conclusions from the first SPIE USCT data challenge and future directions,","venue":null,"work_id":"dff8412c-a53b-41c9-a05f-2da7aab66cfd","year":null},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":46,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.203949Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:98075ef1840514dc2c8efd32f859bdb2e3b25c03b62bf12ef3dd12b72300e066","observation_id":"89f027cc-bc7d-4aca-9915-e890c6d62a3d","resolution":{"observed_at":"2026-08-14T14:22:35.930121Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.910223Z","title":"Multimodal ultrasonic imaging for breast cancer detection,","venue":null,"work_id":"299d5c65-6c38-425e-93a0-cf4cd3336200","year":2012},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":47,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.213323Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:e38593e1ec7dfbbfc69d5eb58e4cfb20e20f402fe78fa4bff1dc6d7fb2a80054","observation_id":"9d16bd5a-44d8-4493-8767-021a6a58a855","resolution":{"observed_at":"2026-08-14T14:22:35.915285Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1007/s10543-011-0359-8","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-19T11:03:45.297681Z","title":"Implementation of an optimal first-order method for strongly convex total variation regularization,","venue":"BIT Numerical Mathematics","work_id":"f64b7983-c807-4689-9451-02c8760b6e67","year":2012},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":48,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.217918Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:ee2b458e6cf8e3a00d9d1a324d32aef384eec1762e7d773199332ae7ec542761","observation_id":"684ace29-3534-4ab8-8b27-0d2a221d698b","resolution":{"observed_at":"2026-08-14T14:22:35.318269Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.893620Z","title":"An improved 3D Ultrasound Computer Tomography system,","venue":null,"work_id":"7adc0061-6499-4e48-a0e0-c39e5f4c8c1e","year":2014},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":49,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.223123Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:fa04d8c74a8f7094dbcdb43a6e1d8e19887a9fdd5893e07f838fbadfd4e94a54","observation_id":"b4f34932-b46c-4cc6-80d0-1cc69d3b86e4","resolution":{"observed_at":"2026-08-14T14:22:35.899577Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1117/12.2252514","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.297130Z","title":"Optimal experimental design to position transducers in ultrasound breast imaging,","venue":null,"work_id":"7a0ce2f7-c340-49a5-82f7-5a37a60650b5","year":2017},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":50,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.227604Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:0802477524d72264200111bddbee3b9401acd745db0e04412a35a49ed6d012b1","observation_id":"d2c66e29-a049-4114-98ca-9c6218cb4482","resolution":{"observed_at":"2026-08-14T14:22:35.302724Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2011.05218","last_updated":"2020-11-10T16:18:39Z","snapshot_observed_at":"2026-08-16T19:06:50.789807Z","submitted_at":"2020-11-10T16:18:39Z","title":"SeqMobile: A Sequence Based Efficient Android Malware Detection System Using RNN on Mobile Devices","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2011.05218","snapshot_observed_at":"2026-08-14T14:22:35.232123Z","title":"Resolution analysis in full waveform inversion,","venue":null,"work_id":null,"year":2011},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":51,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.232123Z"},"links":{"cited_paper":"/paper/2011.05218","citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:805adc6e284799e3a80f58b624e5cde04b33d5640291a4caf53acf6c8aab28e8","observation_id":"225ae455-b8f5-484b-a3be-779a5ffd92b2","resolution":{"observed_at":"2026-08-14T14:22:35.232123Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.877446Z","title":"Development of ultrasound tomography for breast imaging: Technical assessment,","venue":null,"work_id":"cf3ff4f0-1dc2-49dd-9dd2-a971a017c562","year":null},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":52,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.236900Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:5834310e15961fc4cd813b14bed9067f85cb8fc50458ed0c5ca62e028fd71165","observation_id":"8fb7f0a6-f5f1-44d0-9331-b5495fe9b61e","resolution":{"observed_at":"2026-08-14T14:22:35.882947Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.862462Z","title":null,"venue":null,"work_id":"59d4a22b-a988-4538-bbe2-c95ff0acefc0","year":1993},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":53,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.245483Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:0e4ece398d5f8cb1dee5a5b59b82b4f8cc1f39fa7a86c741a2600453d74df7a1","observation_id":"7a750c66-6926-4ff1-95f2-cd1e8f3eafe2","resolution":{"observed_at":"2026-08-14T14:22:35.867005Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.847302Z","title":"3- d nonlinear acoustic inverse scattering: Algorithm and quantitative re- sults,","venue":null,"work_id":"6e8502cb-7471-462e-b669-e7d6fda9f295","year":2017},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":54,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.249770Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:e5847b61b939002fbcb1c287eaaf5ac18be04be4c257420705fd7b1c7335fd42","observation_id":"a0795c83-02c8-4407-95e5-4e8a8d3bf3f4","resolution":{"observed_at":"2026-08-14T14:22:35.852123Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1190/1.1443032","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.545434Z","title":"Available: https://doi.org/10.1190/1.1443032","venue":null,"work_id":"9d2dc1ab-5f6b-4a4c-b672-7140263e8668","year":null},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":1991,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.021823Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:412f12f8b5b2f14f99f58aed66335eefe0c46cd780224d43daeaf6e0ca2eb7bf","observation_id":"1261b1aa-df07-428b-84f5-1a78ede6fc5f","resolution":{"observed_at":"2026-08-14T14:22:35.550070Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":"1999.00837","doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.827398Z","title":"Available: https://onlinelibrary.wiley.com/doi/abs/10","venue":null,"work_id":"0412db5e-960a-4d26-81f8-42ef25880c77","year":1999},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":1999,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.107521Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:21f918eeba19b06483054ea0e220548c93df5044dbf572647567f4b260066d0b","observation_id":"23a61fb2-14fe-4032-af24-c9f311d55a72","resolution":{"observed_at":"2026-08-14T14:22:35.837512Z","resolver_source":"raw_fallback","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1118/1.1897463","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.280676Z","title":"Available: https://aapm.onlinelibrary.wiley.com/doi/abs/ 10.1118/1.1897463","venue":null,"work_id":"89289076-e000-4f6b-942c-87c51fdd7783","year":null},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":2005,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.241346Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:4a8d54a47108b6f7468b9c7b26945dfda59266940343a2360a68204bbe1480f7","observation_id":"88bc8345-0285-41ac-b882-7b9659b98cb7","resolution":{"observed_at":"2026-08-14T14:22:35.286621Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.158178Z","title":"Available: http://stacks.iop.org/0031-9155/60/i=14/a= 5381","venue":null,"work_id":"cb34d8c8-0610-4f12-b06b-cd4cecc138df","year":null},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":2015,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.060256Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:fe13a6debb345a8ee603e69db5b396869f910af1ccedfa6ae51394ddefc6fc05","observation_id":"e3931d20-86cd-4201-88c1-b4a436cdb4d7","resolution":{"observed_at":"2026-08-14T14:22:36.163218Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:36.280465Z","title":"Available: http://www.sciencedirect.com/science/article/ pii/S0168900217307593 11","venue":null,"work_id":"4cef6811-d039-430d-9089-914bf0294135","year":null},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":2016,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.007466Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:6204a411d14c9b2cf7fb7701a909594225229e2923170f432d53c8b2060caf96","observation_id":"6de2b5ec-83e0-41bc-918d-5a3e910b4561","resolution":{"observed_at":"2026-08-14T14:22:36.285772Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1117/12.2293063","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T14:22:35.328487Z","title":"Available: https://doi.org/10.1117/12.2293063","venue":null,"work_id":"243a3b38-ad5d-4755-830c-7b21df96b9cb","year":null},"citing_paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography","version":1},"reference_index":2018,"source":"pdf_text","source_observed_at":"2026-08-14T14:22:35.208636Z"},"links":{"citing_paper":"/paper/1908.03302"},"observation_digest":"sha256:8ddd75f7636db4e6b88d9226d965473d73d08149837bb6e73a68e43e357d76db","observation_id":"b2a997ec-1eb1-4072-bdbf-59cf94ffc7bf","resolution":{"observed_at":"2026-08-14T14:22:35.333209Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"1908.03302","last_updated":"2019-08-09T04:09:27Z","latest_version":1,"primary_category":"physics.med-ph","snapshot_observed_at":"2026-08-17T19:00:35.363269Z","submitted_at":"2019-08-09T04:09:27Z","title":"3D Wave-Equation-Based Finite-Frequency Tomography for Ultrasound Computed Tomography"},"reference_resolution":{"displayed":60,"state_counts":{"malformed_identifier":0,"metadata_mismatch":1,"parse_uncertain":0,"unresolved":4,"verified_exact":23,"verified_fuzzy":32},"total_outbound_references":60},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-21T06:32:19.484+00:00","source":"crossref"},{"observed_at":"2026-08-21T06:32:16.066871+00:00","source":"retraction_watch"}],"thesis":"As of 22 August 2026, this Paper Citation Record lists 60 of 60 outbound references and 0 inbound Pith citation observations for arXiv:1908.03302."}