{"as_of":"2026-08-21T21:36:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:afbbcdf11d6fcc0e71ed4b3c259f45942e1cdfb9fcb674a608e5ca7b33718b64","coverage":[{"denominator":0,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":8,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":8,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-21T06:32:19.484+00:00","state":"measured"},{"denominator":8,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":8,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-15T15:23:46.419963Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"arxiv_reference","source_observed_at":"2026-07-02T19:07:18.208402Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2208.07386","last_updated":"2024-09-25T05:18:28Z","snapshot_observed_at":"2026-08-18T15:47:39.473883Z","submitted_at":"2022-08-15T18:01:22Z","title":"The gap persistence theorem for quantum multiparameter estimation","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2208.07386","snapshot_observed_at":"2026-08-08T11:38:33.050189Z","title":null,"venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2502.07873","last_updated":"2025-02-11T19:00:00Z","snapshot_observed_at":"2026-08-16T21:58:17.183160Z","submitted_at":"2025-02-11T19:00:00Z","title":"Quantum multiphase estimation","version":1},"reference_index":86,"source":"pdf_text","source_observed_at":"2026-08-08T11:38:33.050189Z"},"links":{"cited_paper":"/paper/2208.07386","citing_paper":"/paper/2502.07873"},"observation_digest":"sha256:9e5ff24940380fd4e50233f992548be0d57958834e5a504ea462f80beb44027b","observation_id":"13ea797b-5fd1-4a40-a660-c0a6896583a5","resolution":{"observed_at":"2026-08-08T11:38:33.050189Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2208.07386","last_updated":"2024-09-25T05:18:28Z","snapshot_observed_at":"2026-08-18T15:47:39.473883Z","submitted_at":"2022-08-15T18:01:22Z","title":"The gap persistence theorem for quantum multiparameter estimation","version":3},"cited_work":{"arxiv_id":"2208.07386","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2208.07386","snapshot_observed_at":"2026-07-02T19:07:18.208402Z","title":"The gap persistence theorem for quantum multiparameter estimation","venue":null,"work_id":"5f17e03d-17bf-43d0-9b93-64a5bb03fe1c","year":2024},"citing_paper":{"arxiv_id":"2504.06812","last_updated":"2026-04-17T13:31:11Z","snapshot_observed_at":"2026-07-06T21:06:40.755410Z","submitted_at":"2025-04-09T12:06:57Z","title":"Semi-classical geometric tensor in multiparameter quantum information","version":3},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-05-22T20:16:39.689823Z"},"links":{"cited_paper":"/paper/2208.07386","citing_paper":"/paper/2504.06812"},"observation_digest":"sha256:7b2d89a7e03c6b98cb06da386c8fadf1c3954ad78920b0a21ee30388f2b543e8","observation_id":"aee14029-3dc2-4b67-8a8f-c51bc88373b0","resolution":{"observed_at":"2026-05-22T20:17:02.997157Z","resolver_source":"arxiv_id","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":"2208.07386","last_updated":"2024-09-25T05:18:28Z","snapshot_observed_at":"2026-08-18T15:47:39.473883Z","submitted_at":"2022-08-15T18:01:22Z","title":"The gap persistence theorem for quantum multiparameter estimation","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2208.07386","snapshot_observed_at":"2026-08-03T21:12:17.924847Z","title":null,"venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2511.16645","last_updated":"2026-08-03T13:46:43Z","snapshot_observed_at":"2026-08-21T21:11:08.144119Z","submitted_at":"2025-11-20T18:51:18Z","title":"Measurement incompatibility in Bayesian multiparameter quantum estimation","version":3},"reference_index":94,"source":"pdf_text","source_observed_at":"2026-08-03T21:12:17.924847Z"},"links":{"cited_paper":"/paper/2208.07386","citing_paper":"/paper/2511.16645"},"observation_digest":"sha256:fe25409e21de33d3ae44c7b6c1ac76864d704188d733003b9041be8f3e9326f7","observation_id":"f2ed7a9f-8e5a-4867-9f34-6c09e3277e1f","resolution":{"observed_at":"2026-08-03T21:12:17.924847Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2208.07386","last_updated":"2024-09-25T05:18:28Z","snapshot_observed_at":"2026-08-18T15:47:39.473883Z","submitted_at":"2022-08-15T18:01:22Z","title":"The gap persistence theorem for quantum multiparameter estimation","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2208.07386","snapshot_observed_at":"2026-08-04T06:57:16.345231Z","title":null,"venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2511.16645","last_updated":"2026-08-03T13:46:43Z","snapshot_observed_at":"2026-08-21T21:11:08.144119Z","submitted_at":"2025-11-20T18:51:18Z","title":"Measurement incompatibility in Bayesian multiparameter quantum estimation","version":4},"reference_index":94,"source":"pdf_text","source_observed_at":"2026-08-04T06:57:16.345231Z"},"links":{"cited_paper":"/paper/2208.07386","citing_paper":"/paper/2511.16645"},"observation_digest":"sha256:5bc201f61c13377271fe8d06e3b4c909334459d7ba130bbf295dc3eadbf586d8","observation_id":"5ff24a13-1df9-413d-aa15-24975691c0a1","resolution":{"observed_at":"2026-08-04T06:57:16.345231Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2208.07386","last_updated":"2024-09-25T05:18:28Z","snapshot_observed_at":"2026-08-18T15:47:39.473883Z","submitted_at":"2022-08-15T18:01:22Z","title":"The gap persistence theorem for quantum multiparameter estimation","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2208.07386","snapshot_observed_at":"2026-08-03T00:05:45.454347Z","title":"The gap persistence theorem for quantum multiparameter estimation.arXiv preprint arXiv:2208.07386, 2022","venue":null,"work_id":null,"year":2022},"citing_paper":{"arxiv_id":"2602.12097","last_updated":"2026-06-09T10:54:36Z","snapshot_observed_at":"2026-08-05T23:51:47.459895Z","submitted_at":"2026-02-12T15:50:54Z","title":"Hierarchy of saturation conditions for multiparameter quantum metrology bounds","version":2},"reference_index":42,"source":"pdf_text","source_observed_at":"2026-08-03T00:05:45.454347Z"},"links":{"cited_paper":"/paper/2208.07386","citing_paper":"/paper/2602.12097"},"observation_digest":"sha256:c792338c1abe623877511648100ff7cf29345514625646569efefb467d1ce2f2","observation_id":"6ab20a13-6401-4bc2-87f7-421bf84a6743","resolution":{"observed_at":"2026-08-03T00:05:45.454347Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2208.07386","last_updated":"2024-09-25T05:18:28Z","snapshot_observed_at":"2026-08-18T15:47:39.473883Z","submitted_at":"2022-08-15T18:01:22Z","title":"The gap persistence theorem for quantum multiparameter estimation","version":3},"cited_work":{"arxiv_id":"2208.07386","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2208.07386","snapshot_observed_at":"2026-07-02T19:07:18.208402Z","title":"The gap persistence theorem for quantum multiparameter estimation","venue":null,"work_id":"5f17e03d-17bf-43d0-9b93-64a5bb03fe1c","year":2024},"citing_paper":{"arxiv_id":"2604.19120","last_updated":"2026-04-21T05:59:29Z","snapshot_observed_at":"2026-08-15T02:21:47.608570Z","submitted_at":"2026-04-21T05:59:29Z","title":"Ultimate sensitivity of multiparameter estimation in quantum sensing with undetected photons","version":1},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-05-10T03:04:19.952830Z"},"links":{"cited_paper":"/paper/2208.07386","citing_paper":"/paper/2604.19120"},"observation_digest":"sha256:eeb78602ed7ff3926d12dbe08ed8dd524e080d494c36e9ba8298d3c4f9c85ecd","observation_id":"fe7809f2-9526-4f7d-9f00-945afe5436b1","resolution":{"observed_at":"2026-05-11T12:46:04.224124Z","resolver_source":"arxiv_id","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":"2208.07386","last_updated":"2024-09-25T05:18:28Z","snapshot_observed_at":"2026-08-18T15:47:39.473883Z","submitted_at":"2022-08-15T18:01:22Z","title":"The gap persistence theorem for quantum multiparameter estimation","version":3},"cited_work":{"arxiv_id":"2208.07386","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2208.07386","snapshot_observed_at":"2026-07-02T19:07:18.208402Z","title":"The gap persistence theorem for quantum multiparameter estimation","venue":null,"work_id":"5f17e03d-17bf-43d0-9b93-64a5bb03fe1c","year":2024},"citing_paper":{"arxiv_id":"2606.07747","last_updated":"2026-06-09T15:09:06Z","snapshot_observed_at":"2026-08-06T16:13:22.143559Z","submitted_at":"2026-06-05T18:00:21Z","title":"$100\\pm\\Delta t$ Years of Quantum Uncertainty: From Origins to Modern Insights","version":2},"reference_index":244,"source":"pdf_text","source_observed_at":"2026-06-27T21:39:31.519788Z"},"links":{"cited_paper":"/paper/2208.07386","citing_paper":"/paper/2606.07747"},"observation_digest":"sha256:50d54aa235ebea2138afc473e9bf924622f19d3bac6df691dc8bf0c8b71eceb7","observation_id":"6d37df35-d064-4e78-aad9-cc12ff3f3605","resolution":{"observed_at":"2026-07-02T19:07:18.209914Z","resolver_source":"arxiv_id","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":"2208.07386","last_updated":"2024-09-25T05:18:28Z","snapshot_observed_at":"2026-08-18T15:47:39.473883Z","submitted_at":"2022-08-15T18:01:22Z","title":"The gap persistence theorem for quantum multiparameter estimation","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2208.07386","snapshot_observed_at":"2026-08-15T15:23:46.419963Z","title":null,"venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2608.01114","last_updated":"2026-08-02T09:21:02Z","snapshot_observed_at":"2026-08-20T02:12:22.973064Z","submitted_at":"2026-08-02T09:21:02Z","title":"Optimal Strategies for Multi-parameter Quantum Metrology","version":1},"reference_index":54,"source":"pdf_text","source_observed_at":"2026-08-15T15:23:46.419963Z"},"links":{"cited_paper":"/paper/2208.07386","citing_paper":"/paper/2608.01114"},"observation_digest":"sha256:e5d511e6e179fb41132c0f4494de66adfb394e225d29cdf912f932e7036183e9","observation_id":"a10a8289-ab60-44b1-9084-61407958b99e","resolution":{"observed_at":"2026-08-15T15:23:46.419963Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/2208.07386/citation-record","integrity":"/paper/2208.07386/integrity","json":"/paper/2208.07386/citation-record.json","paper":"/paper/2208.07386"},"outbound":[],"paper":{"arxiv_id":"2208.07386","last_updated":"2024-09-25T05:18:28Z","latest_version":3,"primary_category":"quant-ph","snapshot_observed_at":"2026-08-18T15:47:39.473883Z","submitted_at":"2022-08-15T18:01:22Z","title":"The gap persistence theorem for quantum multiparameter estimation"},"reference_resolution":{"displayed":0,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":0,"verified_exact":0,"verified_fuzzy":0},"total_outbound_references":0},"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 21 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 8 inbound Pith citation observations for arXiv:2208.07386."}