{"as_of":"2026-08-05T11:38:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:52887e41dbb979da24cb487a8dd6cd175c6060953d521ba9f9756a450e002c04","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":6,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":6,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-05T06:32:48.257954+00:00","state":"measured"},{"denominator":6,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":6,"source":"paper_references, paper_reference_links","source_observed_at":"2026-05-25T05:52:52.332098Z","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":"2026-05-25T05:55:24.496685Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2110.02293","last_updated":"2021-12-08T17:07:12Z","snapshot_observed_at":"2026-07-06T11:54:41.350035Z","submitted_at":"2021-10-05T18:57:49Z","title":"Sources in the Weyl double copy","version":2},"cited_work":{"arxiv_id":"2110.02293","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2110.02293","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Sources in the weyl double copy","venue":null,"work_id":"e2a5d403-144c-4fa8-9164-4b99504465cc","year":2021},"citing_paper":{"arxiv_id":"2511.00632","last_updated":"2026-05-11T13:23:00Z","snapshot_observed_at":"2026-07-31T19:46:49.481304Z","submitted_at":"2025-11-01T17:20:18Z","title":"Weyl double copy in Lifshitz spacetimes","version":2},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-05-18T01:25:01.657294Z"},"links":{"cited_paper":"/paper/2110.02293","citing_paper":"/paper/2511.00632"},"observation_digest":"sha256:1b082629aa9b228e75e959e002d3aee81a969eba2d4dbc9eb2af96eeb8aebce5","observation_id":"7f5b2cdc-d14e-4a25-9dfb-73d986f9e348","resolution":{"observed_at":"2026-05-18T01:25:34.867841Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-05T06:32:48.257954+00:00","source":"crossref"},{"observed_at":"2026-08-05T06:32:44.755628+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2110.02293","last_updated":"2021-12-08T17:07:12Z","snapshot_observed_at":"2026-07-06T11:54:41.350035Z","submitted_at":"2021-10-05T18:57:49Z","title":"Sources in the Weyl double copy","version":2},"cited_work":{"arxiv_id":"2110.02293","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2110.02293","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Sources in the weyl double copy","venue":null,"work_id":"e2a5d403-144c-4fa8-9164-4b99504465cc","year":2021},"citing_paper":{"arxiv_id":"2511.14854","last_updated":"2026-05-04T23:39:34Z","snapshot_observed_at":"2026-08-02T15:55:42.831937Z","submitted_at":"2025-11-18T19:06:02Z","title":"The Penrose Transform and the Kerr-Schild double copy","version":3},"reference_index":86,"source":"pdf_text","source_observed_at":"2026-05-17T20:27:38.559664Z"},"links":{"cited_paper":"/paper/2110.02293","citing_paper":"/paper/2511.14854"},"observation_digest":"sha256:4481ce23eaf72c67f1057f3a0872d15cbe9733162c4cc679d72306da9f6f8af8","observation_id":"acb2a477-cd29-4f79-b334-1537ce78f06f","resolution":{"observed_at":"2026-05-17T20:30:11.374857Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-05T06:32:48.257954+00:00","source":"crossref"},{"observed_at":"2026-08-05T06:32:44.755628+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2110.02293","last_updated":"2021-12-08T17:07:12Z","snapshot_observed_at":"2026-07-06T11:54:41.350035Z","submitted_at":"2021-10-05T18:57:49Z","title":"Sources in the Weyl double copy","version":2},"cited_work":{"arxiv_id":"2110.02293","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2110.02293","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Sources in the weyl double copy","venue":null,"work_id":"e2a5d403-144c-4fa8-9164-4b99504465cc","year":2021},"citing_paper":{"arxiv_id":"2604.05103","last_updated":"2026-04-06T19:08:35Z","snapshot_observed_at":"2026-08-02T10:41:58.003075Z","submitted_at":"2026-04-06T19:08:35Z","title":"Untwisting the double copy: the zeroth copy as an optical seed","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-05-10T18:54:07.929308Z"},"links":{"cited_paper":"/paper/2110.02293","citing_paper":"/paper/2604.05103"},"observation_digest":"sha256:b6cc2729277f9b49b52549509681a463fb50eb0fb1ae122cb676b3f405479ce5","observation_id":"74073ba8-0ba2-454b-92e5-a7626dd6e5cb","resolution":{"observed_at":"2026-05-10T23:45:50.722418Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-05T06:32:48.257954+00:00","source":"crossref"},{"observed_at":"2026-08-05T06:32:44.755628+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2110.02293","last_updated":"2021-12-08T17:07:12Z","snapshot_observed_at":"2026-07-06T11:54:41.350035Z","submitted_at":"2021-10-05T18:57:49Z","title":"Sources in the Weyl double copy","version":2},"cited_work":{"arxiv_id":"2110.02293","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2110.02293","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Sources in the weyl double copy","venue":null,"work_id":"e2a5d403-144c-4fa8-9164-4b99504465cc","year":2021},"citing_paper":{"arxiv_id":"2604.19920","last_updated":"2026-04-21T19:00:05Z","snapshot_observed_at":"2026-07-06T23:06:26.596990Z","submitted_at":"2026-04-21T19:00:05Z","title":"Black Hole Interiors as a Laboratory for Time-Dependent Classical Double Copy","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-05-10T01:24:26.271180Z"},"links":{"cited_paper":"/paper/2110.02293","citing_paper":"/paper/2604.19920"},"observation_digest":"sha256:b121c619417358d21e391cc46a154c3c6eba7123ffe464402dea1663fc1e5e6e","observation_id":"54d6963e-6f57-44c8-8f40-05728591348e","resolution":{"observed_at":"2026-05-11T13:36:08.116954Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-05T06:32:48.257954+00:00","source":"crossref"},{"observed_at":"2026-08-05T06:32:44.755628+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2110.02293","last_updated":"2021-12-08T17:07:12Z","snapshot_observed_at":"2026-07-06T11:54:41.350035Z","submitted_at":"2021-10-05T18:57:49Z","title":"Sources in the Weyl double copy","version":2},"cited_work":{"arxiv_id":"2110.02293","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2110.02293","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Sources in the weyl double copy","venue":null,"work_id":"e2a5d403-144c-4fa8-9164-4b99504465cc","year":2021},"citing_paper":{"arxiv_id":"2604.22066","last_updated":"2026-04-23T20:45:45Z","snapshot_observed_at":"2026-07-06T23:08:33.204647Z","submitted_at":"2026-04-23T20:45:45Z","title":"Minisuperspace Double Copy in Lifshitz Spacetimes","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-05-09T20:28:40.002915Z"},"links":{"cited_paper":"/paper/2110.02293","citing_paper":"/paper/2604.22066"},"observation_digest":"sha256:a06b48aad1c19ffd0baf3516db9661c15da39e1308f452e415e3a98ee10a0035","observation_id":"f2373b9b-44e5-460e-ab88-54e747e586d4","resolution":{"observed_at":"2026-05-11T15:11:08.612721Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-05T06:32:48.257954+00:00","source":"crossref"},{"observed_at":"2026-08-05T06:32:44.755628+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2110.02293","last_updated":"2021-12-08T17:07:12Z","snapshot_observed_at":"2026-07-06T11:54:41.350035Z","submitted_at":"2021-10-05T18:57:49Z","title":"Sources in the Weyl double copy","version":2},"cited_work":{"arxiv_id":"2110.02293","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2110.02293","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Sources in the weyl double copy","venue":null,"work_id":"e2a5d403-144c-4fa8-9164-4b99504465cc","year":2021},"citing_paper":{"arxiv_id":"2605.14707","last_updated":"2026-05-22T08:05:55Z","snapshot_observed_at":"2026-07-30T10:06:02.517480Z","submitted_at":"2026-05-14T11:23:30Z","title":"The Smarr Formula is Gauss's Law: A Kerr-Schild Single-Copy Perspective","version":2},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-05-25T05:52:52.332098Z"},"links":{"cited_paper":"/paper/2110.02293","citing_paper":"/paper/2605.14707"},"observation_digest":"sha256:2db1f4e27c37ce66b38d404cb9d1ff8c17b7418a8a2a458c349e22dd1fdec07a","observation_id":"4db6a94b-5471-4cf8-b1d9-184b4f6b9f91","resolution":{"observed_at":"2026-05-25T05:55:24.499787Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-05T06:32:48.257954+00:00","source":"crossref"},{"observed_at":"2026-08-05T06:32:44.755628+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2110.02293/citation-record","integrity":"/paper/2110.02293/integrity","json":"/paper/2110.02293/citation-record.json","paper":"/paper/2110.02293"},"outbound":[],"paper":{"arxiv_id":"2110.02293","last_updated":"2021-12-08T17:07:12Z","latest_version":2,"primary_category":"gr-qc","snapshot_observed_at":"2026-07-06T11:54:41.350035Z","submitted_at":"2021-10-05T18:57:49Z","title":"Sources in the Weyl double copy"},"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":"2026-08-05T06:32:48.257954+00:00","source":"crossref"},{"observed_at":"2026-08-05T06:32:44.755628+00:00","source":"retraction_watch"}],"thesis":"As of 5 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 6 inbound Pith citation observations for arXiv:2110.02293."}