{"as_of":"2026-08-17T18:19:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:31444e7f283cef08c83784fd50bfbdfc5bb94117739363a147e32ddf283d73df","coverage":[{"denominator":37,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":37,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T11:38:17.588463Z","state":"measured"},{"denominator":37,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":37,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-17T06:30:58.91139+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/1908.08700/citation-record","integrity":"/paper/1908.08700/integrity","json":"/paper/1908.08700/citation-record.json","paper":"/paper/1908.08700"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.179758Z","title":"A., Czerny, B., Lasota, J","venue":null,"work_id":null,"year":1988},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.179758Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:00063d708b370787b3881533d1c8d4ed3b5cdf2f30abf182cce1c613b3358c36","observation_id":"4dbac387-bd53-46eb-b886-848e798ca12d","resolution":{"observed_at":"2026-08-14T11:38:17.179758Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.185422Z","title":"L., Popovi´ c, L.ˇC., & Shapovalova, A","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.185422Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:9fef2cb4e9ad7eb0fbede073d8bf3befe93845d119aa86ae227ce4cc918f4030","observation_id":"10e3bf95-663a-4f91-acb9-26e370555aa2","resolution":{"observed_at":"2026-08-14T11:38:17.185422Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.191178Z","title":"W., et al., Average Ultraviolet Quasar Spectra in 10 P","venue":null,"work_id":null,"year":2004},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.191178Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:7343341fe9783b12a3b02c45fe5b773183119fa846e3fe467fda264b844977ae","observation_id":"6515a8c2-fb20-40b8-bda9-1611012e3d7e","resolution":{"observed_at":"2026-08-14T11:38:17.191178Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.197034Z","title":null,"venue":null,"work_id":null,"year":1992},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.197034Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:b7065638e9258c474469aee354c107286c7036dae592cdf90b1dfafb0db89dff","observation_id":"e96a2ef9-4647-4914-8d6f-46be10312da3","resolution":{"observed_at":"2026-08-14T11:38:17.197034Z","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":"2026-08-14T11:38:19.010340Z","title":null,"venue":null,"work_id":"f7fd69f6-ec4c-40bd-bf6c-e4753f25ac2d","year":1967},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.202908Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:fba1370219679f4218d378827450a55ffbadb6db43d6d3eda9d60b1b893280ce","observation_id":"94d937b8-98c8-497e-9c91-ffce105bfde8","resolution":{"observed_at":"2026-08-14T11:38:19.016148Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+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":"2026-08-14T11:38:17.208090Z","title":"C., Banerji, M., et al., Correcting C IV-based virial black hole masses","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.208090Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:f179738da64dd072ab06d4bd8e1e2fc126d1805cf05b3db17ec8f69d23f30106","observation_id":"d19ec6ce-35f3-4fb6-aa83-252282517731","resolution":{"observed_at":"2026-08-14T11:38:17.208090Z","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":"10.1086/192355","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.856988Z","title":null,"venue":null,"work_id":"b600da3d-c7dd-4e13-b753-b432d409dc58","year":1996},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.213770Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:df83c22d6a97d5566be17213bd040d3e4b0aad4d87a8a11aeba2974529307758","observation_id":"7e7e9b8c-aa72-4236-96fb-f291bc966325","resolution":{"observed_at":"2026-08-14T11:38:17.862284Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+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":"2026-08-14T11:38:17.218371Z","title":"M., Fan, X., Brandt, W","venue":null,"work_id":null,"year":2009},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.218371Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:762c70ba480399b6c3c626b0572f77b322bc4ad542d0dd6933b917451499ee9d","observation_id":"3d58153b-f173-4a91-a374-bbbe8cf0498d","resolution":{"observed_at":"2026-08-14T11:38:17.218371Z","resolver_source":null,"status":"malformed_identifier"},"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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.223003Z","title":"2016, Astrophys","venue":null,"work_id":null,"year":2016},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.223003Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:75d4da499b6856c686a441f700e6e130877e8597519a3e32d3de36d9e48b1a1d","observation_id":"e8e5645c-7ca7-40bc-bfb1-11260132a07d","resolution":{"observed_at":"2026-08-14T11:38:17.223003Z","resolver_source":null,"status":"malformed_identifier"},"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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.227242Z","title":"2000, Astrophys","venue":null,"work_id":null,"year":2000},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.227242Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:a25066b547bf7ac4e496fa03e9b84bc43bf78f06a7e2c2536010e450e8d8f747","observation_id":"ef05193b-32f9-40ca-8fde-c58696ecfb6f","resolution":{"observed_at":"2026-08-14T11:38:17.227242Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.232533Z","title":null,"venue":null,"work_id":null,"year":1976},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.232533Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:f68cbd2abd903a82629b875567972888e387aa5dc31a7c5a99697e9bd1b61aff","observation_id":"faf90322-5d25-4fc3-8554-c9d7ba870a18","resolution":{"observed_at":"2026-08-14T11:38:17.232533Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.237297Z","title":null,"venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.237297Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:2788b42854b2f693b5f6c523eb3d14fca8e318c138f213a0d03bb462ea394418","observation_id":"b6298435-46a8-423d-bf39-2df4243ce985","resolution":{"observed_at":"2026-08-14T11:38:17.237297Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.242592Z","title":null,"venue":null,"work_id":null,"year":2016},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.242592Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:3b1dc5b37c6c5c456e9ac8e8912603e99a1018e7c7bee852848351915e976849","observation_id":"13f70a9d-d2c3-4f33-b479-83b3229ee3e7","resolution":{"observed_at":"2026-08-14T11:38:17.242592Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.247372Z","title":"A., et al., Black hole mass estimates in quasars","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.247372Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:3feddf2108eda483c986230cf5bd8b1f416566f1e53a5b104df97fa7149f892c","observation_id":"cd0fade2-f8d7-40f8-8a69-ba4c1ae569dd","resolution":{"observed_at":"2026-08-14T11:38:17.247372Z","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":"2026-08-14T11:38:18.937310Z","title":"W., et al., A main sequence for quasars","venue":null,"work_id":"07fa5b19-1bee-4f88-a762-8bca74ee8351","year":2018},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.252293Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:e27f49d76b05a00a9609d270ce34095c57d2d05c264b687b7a68e4bde4c24697","observation_id":"951c585f-710d-494a-9beb-e5b542e84022","resolution":{"observed_at":"2026-08-14T11:38:18.998039Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+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":"2026-08-14T11:38:18.754385Z","title":"A., Dultzin, D., et al., Highly accreting quasars: a tool for cosmology? 2017, in IAU Symposium, Vol","venue":null,"work_id":"28bea5c3-0ea7-488f-a720-981787c6468a","year":2017},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.257077Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:08d722e200093d4007400af34a980d7a271eeaddc5236cf5046060c8126e4767","observation_id":"9e0ca281-1efb-4569-a04e-c0c1080699a1","resolution":{"observed_at":"2026-08-14T11:38:18.824848Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+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":"2026-08-14T11:38:17.261595Z","title":"& Sulentic, J","venue":null,"work_id":null,"year":2014},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.261595Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:09c57e0a470d078ae70f786ff9e1ea6055afeacf8f7a3902f9597305c1569692","observation_id":"217fdad0-7bb5-4234-a190-54b931933b01","resolution":{"observed_at":"2026-08-14T11:38:17.261595Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.266201Z","title":"W., Dultzin-Hacyan, D., Calvani, M., & Moles, M., Compar- ative Analysis of the High- and Low-Ionization Lines in the Broad-Line Region of Active Galactic Nuclei","venue":null,"work_id":null,"year":1996},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.266201Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:b01d5c53fccb65ab3811972aa6cf6f78eded019613666b03f1758df3bf60b6e0","observation_id":"3070a120-d856-4b5b-9dc7-0fb3b7828693","resolution":{"observed_at":"2026-08-14T11:38:17.266201Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1301.0520","last_updated":"2013-01-03T17:38:24Z","snapshot_observed_at":"2026-08-15T00:33:52.469681Z","submitted_at":"2013-01-03T17:38:24Z","title":"Low-Ionization Outflows in High Eddington Ratio Quasars","version":1},"cited_work":{"arxiv_id":"1301.0520","doi":null,"metadata_source":"pith","pith_arxiv_id":"1301.0520","snapshot_observed_at":"2026-08-14T11:38:18.017204Z","title":"Low-Ionization Outflows in High Eddington Ratio Quasars","venue":"astro-ph.CO","work_id":"7812f71a-cff9-4dbc-a7a3-8321bca4a370","year":2013},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.270803Z"},"links":{"cited_paper":"/paper/1301.0520","citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:e288d87150783dd686d048d055c18b466559944e093fef7cfb0e67a0597be474","observation_id":"dee03035-51e6-4408-baee-8b974be02783","resolution":{"observed_at":"2026-08-14T11:38:18.078569Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+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":"2026-08-14T11:38:17.297555Z","title":"2000, Publ","venue":null,"work_id":null,"year":2000},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.297555Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:0971a5de415cc7033b39fcaf7007a871e5955f357c6be79762936cf1c4a3e7ab","observation_id":"c08b5e66-6cb7-4c3e-b67e-8432024cbc33","resolution":{"observed_at":"2026-08-14T11:38:17.297555Z","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":"2026-08-14T11:38:18.682574Z","title":"2012, ApJ, 757, 62","venue":null,"work_id":"b5a5266d-70cd-484b-9dc2-389ecbfa8588","year":2012},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.326228Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:2669575c78d46f8f398413c8f4e8f2898adfa1567eb2be9946afcb9a339b59bc","observation_id":"71092a54-87e3-42a4-832a-c3d9565abb57","resolution":{"observed_at":"2026-08-14T11:38:18.688234Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+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":"2026-08-14T11:38:17.353641Z","title":"A., Dultzin, D., Marziani, P., et al., Highly accreting quasars: The SDSS low-redshift catalog","venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.353641Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:0aec947435846fb6e5a22a06884c508c15130dd6d9c9b0a512002c9dedfc2b34","observation_id":"a7bd9e33-0504-49f4-9cb4-a618bfbad4cc","resolution":{"observed_at":"2026-08-14T11:38:17.353641Z","resolver_source":null,"status":"malformed_identifier"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1088/0004-637x/771/1/31","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.734053Z","title":"A., Dultzin, D., Marziani, P., & Sulentic, J","venue":null,"work_id":"8c2840e5-23be-4bcc-a710-17637ed036f1","year":2013},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.384363Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:d005fd0b1ef203dbce9924b21827cfbc67dad38453e200989af17ad6ce768af8","observation_id":"ecc04e4e-2444-4795-99dc-21df0120e4a8","resolution":{"observed_at":"2026-08-14T11:38:17.740204Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1905.01729","last_updated":"2019-07-14T17:23:49Z","snapshot_observed_at":"2026-08-17T00:41:26.626340Z","submitted_at":"2019-05-05T18:40:08Z","title":"The Quasar Main Sequence explained by the combination of Eddington ratio, metallicity and orientation","version":2},"cited_work":{"arxiv_id":"1905.01729","doi":null,"metadata_source":"pith","pith_arxiv_id":"1905.01729","snapshot_observed_at":"2026-08-14T11:38:17.957084Z","title":"The Quasar Main Sequence explained by the combination of Eddington ratio, metallicity and orientation","venue":"astro-ph.HE","work_id":"0cb95724-b0c0-4db7-9b06-ae8c13ae3060","year":2019},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.430685Z"},"links":{"cited_paper":"/paper/1905.01729","citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:76145cfee02175cfc685b2118c63e2776a1a13b562bce69274f42e66cc1be425","observation_id":"e05e71de-1c1c-4dee-abb3-0d9c51cc5f5a","resolution":{"observed_at":"2026-08-14T11:38:17.963576Z","resolver_source":"local_arxiv","status":"metadata_mismatch"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+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":"2026-08-14T11:38:17.454600Z","title":null,"venue":null,"work_id":null,"year":1999},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.454600Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:7a4dfb05a52c1449db05b98cfebc9e6776eb0aa1e7a6331363a51e14599e3abd","observation_id":"87a4fd60-6e61-4335-9123-9ec24ce687f7","resolution":{"observed_at":"2026-08-14T11:38:17.454600Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.460354Z","title":"& Lusso, E., A Hubble Diagram for Quasars","venue":null,"work_id":null,"year":2015},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.460354Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:1f5f7839554c06351e5dd1f4c99ab2ef0ca9951987ff5fdd8a4412631071ee51","observation_id":"a44e2044-1686-46ea-aa5b-e0819c397a5d","resolution":{"observed_at":"2026-08-14T11:38:17.460354Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1108.0396","last_updated":"2011-08-01T19:16:56Z","snapshot_observed_at":"2026-08-15T04:39:21.744480Z","submitted_at":"2011-08-01T19:16:56Z","title":"Slim accretion disks around black holes","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1108.0396","snapshot_observed_at":"2026-08-14T11:38:17.466065Z","title":"2011, ArXiv e- prints [e-print:[arXiv]1108.0396]","venue":null,"work_id":null,"year":2011},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.466065Z"},"links":{"cited_paper":"/paper/1108.0396","citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:2ff1b1fe4b2256daa0b0457089228ef7973f4d7d6fa80f601f28152a41898ef8","observation_id":"2ab3f4e8-fcbe-4e07-b7f6-c31589a5163f","resolution":{"observed_at":"2026-08-14T11:38:17.466065Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.470755Z","title":null,"venue":null,"work_id":null,"year":2014},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.470755Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:e6c6855929360eb81b58e9790fcbb3da8a2c1dd1ddb3a6bd4407efb2b5b7fb47","observation_id":"43b92dc9-ac4f-430b-b527-3614dcdce238","resolution":{"observed_at":"2026-08-14T11:38:17.470755Z","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":"2026-08-14T11:38:18.663053Z","title":"2011, Baltic Astronomy, 20, 427","venue":null,"work_id":"87786ecc-4c96-48f6-a0c9-391e6552cd2f","year":2011},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.476558Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:51e4480db6ca384cf369a7804f8341e0e99847d4f1274ea14899f04db510b05f","observation_id":"77a1306f-51d4-46b1-952e-100181531298","resolution":{"observed_at":"2026-08-14T11:38:18.667897Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+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":"2026-08-14T11:38:17.481759Z","title":"W., Bachev, R., Marziani, P., Negrete, C","venue":null,"work_id":null,"year":2007},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.481759Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:5d5918057fcdf2f10ba99684e7084ba4c2c3ef5b26a3aae4d721c25681ba7d0a","observation_id":"2da85eba-91f6-42ea-940d-087143d9899c","resolution":{"observed_at":"2026-08-14T11:38:17.481759Z","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":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T11:38:17.487194Z","title":"W., del Olmo, A., Marziani, P., et al., What does CIV λ1549 tell us about the physical driver of the Eigenvector quasar sequence? 2017, Astron","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":31,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.487194Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:0c3d86db74de7e2e48f142495088c51284407765ab0d180be1b418d6493b0ece","observation_id":"20f7787a-9e2b-4a7e-a19f-ba1bad2a8be6","resolution":{"observed_at":"2026-08-14T11:38:17.487194Z","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":"2026-08-14T11:38:18.645014Z","title":"W., Marziani, P., & Calvani, M., An H-R diagram for AGN? 2001, in AIP","venue":null,"work_id":"ae33a1b0-2735-4d6d-93b7-fdf7f369dc53","year":2001},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":32,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.492480Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:e55e93e2b3659c90ed3a895e515aa424dab4e31e34f895a4845294e69f70d6f1","observation_id":"81b613e2-f029-4e5e-b5ba-02f6cb4c3904","resolution":{"observed_at":"2026-08-14T11:38:18.650649Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+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":"2026-08-14T11:38:17.497100Z","title":"W., Marziani, P., & Dultzin-Hacyan, D., Phenomenology of Broad Emis- sion Lines in Active Galactic Nuclei","venue":null,"work_id":null,"year":2000},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.497100Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:7a2cabce38cf69fae6a2cd152eca6aa26360f26d718208776fdeb73d16ae56e4","observation_id":"aaedf8f4-6d37-4be8-b387-1765d179eefb","resolution":{"observed_at":"2026-08-14T11:38:17.497100Z","resolver_source":null,"status":"malformed_identifier"},"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":"2026-08-14T11:38:18.624326Z","title":"W., Zamfir, S., Marziani, P., & Dultzin, D., Our Search for an H-R Diagram of Quasars","venue":null,"work_id":"a8131f77-3c13-4271-b91e-b86df59e5a8e","year":2008},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":34,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.501817Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:831cf2040a70c446deef39f5ff1507078b68285f4b5437b807ffa856514dfb28","observation_id":"e4e27fd8-37b5-485e-8d28-e44700382bb6","resolution":{"observed_at":"2026-08-14T11:38:18.632649Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+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":"2026-08-14T11:38:18.508435Z","title":null,"venue":null,"work_id":"68608112-66c9-4988-94a4-3dd3f75ab0b9","year":1977},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.524105Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:601371d4bdcf7ddac6d4a6bda44e832459f39c2a82aec9b1cd3595f74093c03a","observation_id":"9911187b-2d98-4940-826d-61eab383e73a","resolution":{"observed_at":"2026-08-14T11:38:18.606027Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+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":"2026-08-14T11:38:18.318711Z","title":"2017, in American Astronomical Society Meeting Abstracts, Vol","venue":null,"work_id":"1d9ebe66-124d-4f9f-9dd2-bdbec4e3401e","year":2017},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":36,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.557314Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:2c4160bd81ef0901afacb2357915345fa571a9076003b97914e000bcc09a7c3c","observation_id":"5c6369f5-7193-490e-83b1-3c94710a3433","resolution":{"observed_at":"2026-08-14T11:38:18.398494Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+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":"2026-08-14T11:38:17.588463Z","title":"2013, Physical Review Letters, 110, 081301, DOI: 10.1103/PhysRevLett.110.081301","venue":null,"work_id":null,"year":2013},"citing_paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators","version":1},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-08-14T11:38:17.588463Z"},"links":{"citing_paper":"/paper/1908.08700"},"observation_digest":"sha256:4b4da57c0324fe2cdb45d3eb621849a95756141e7e720b6ae4899275111acfe3","observation_id":"e93ddb3d-d473-4d79-b911-7756e0405284","resolution":{"observed_at":"2026-08-14T11:38:17.588463Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"paper":{"arxiv_id":"1908.08700","last_updated":"2019-08-23T07:18:55Z","latest_version":1,"primary_category":"astro-ph.GA","snapshot_observed_at":"2026-08-17T07:36:41.102217Z","submitted_at":"2019-08-23T07:18:55Z","title":"Quasar emission lines as virial luminosity estimators"},"reference_resolution":{"displayed":37,"state_counts":{"malformed_identifier":4,"metadata_mismatch":1,"parse_uncertain":0,"unresolved":22,"verified_exact":3,"verified_fuzzy":7},"total_outbound_references":37},"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":"2026-08-17T06:30:58.91139+00:00","source":"crossref"},{"observed_at":"2026-08-17T06:30:54.323127+00:00","source":"retraction_watch"}],"thesis":"As of 17 August 2026, this Paper Citation Record lists 37 of 37 outbound references and 0 inbound Pith citation observations for arXiv:1908.08700."}