{"as_of":"2026-08-20T05:18:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:a260ff0a1a34f4912981353253fe7c6f8237f3b6e103dcb0d0cb54c11b3eec83","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":4,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":4,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-19T06:32:44.657259+00:00","state":"measured"},{"denominator":4,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":4,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-10T15:28:04.588755Z","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":"2026-05-16T12:02:51.005621Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2202.03809","last_updated":"2022-02-08T11:56:23Z","snapshot_observed_at":"2026-08-16T17:22:51.555175Z","submitted_at":"2022-02-08T11:56:23Z","title":"Light ring images of double photon spheres in black hole and wormhole space-times","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2202.03809","snapshot_observed_at":"2026-08-10T15:28:04.588755Z","title":"Guerrero, et","venue":null,"work_id":null,"year":2022},"citing_paper":{"arxiv_id":"2501.14282","last_updated":"2025-02-10T03:43:07Z","snapshot_observed_at":"2026-08-15T15:21:12.302385Z","submitted_at":"2025-01-24T06:54:21Z","title":"Herrera Complexity and Shadows of Spherically Symmetric Compact Objects","version":2},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-10T15:28:04.588755Z"},"links":{"cited_paper":"/paper/2202.03809","citing_paper":"/paper/2501.14282"},"observation_digest":"sha256:54f9eac57cef4858fec80e96d8c73f33e2c5beb9a73bb5b15591485c297379c8","observation_id":"f03b6e2d-e4c7-4c79-a3df-0cb7b2b2abb6","resolution":{"observed_at":"2026-08-10T15:28:04.588755Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2202.03809","last_updated":"2022-02-08T11:56:23Z","snapshot_observed_at":"2026-08-16T17:22:51.555175Z","submitted_at":"2022-02-08T11:56:23Z","title":"Light ring images of double photon spheres in black hole and wormhole space-times","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2202.03809","snapshot_observed_at":"2026-08-06T16:40:21.805303Z","title":"Guerrero, G","venue":null,"work_id":null,"year":2022},"citing_paper":{"arxiv_id":"2507.13048","last_updated":"2025-07-17T12:21:04Z","snapshot_observed_at":"2026-08-16T18:56:56.959757Z","submitted_at":"2025-07-17T12:21:04Z","title":"Gravitational Lensing by Black Holes in Einstein-nonlinear Electrodynamic Theories with Multiple Photon Spheres","version":1},"reference_index":66,"source":"pdf_text","source_observed_at":"2026-08-06T16:40:21.805303Z"},"links":{"cited_paper":"/paper/2202.03809","citing_paper":"/paper/2507.13048"},"observation_digest":"sha256:43d30a1cf5bf57c968771fcb131cb63a8f76ae9f3d00c362d080ea19636d5cc9","observation_id":"2b126cc1-b2bf-4393-a81c-06e0bf154109","resolution":{"observed_at":"2026-08-06T16:40:21.805303Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2202.03809","last_updated":"2022-02-08T11:56:23Z","snapshot_observed_at":"2026-08-16T17:22:51.555175Z","submitted_at":"2022-02-08T11:56:23Z","title":"Light ring images of double photon spheres in black hole and wormhole space-times","version":1},"cited_work":{"arxiv_id":"2202.03809","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2202.03809","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Light ring im- ages of double photon spheres in black hole and worm- hole spacetimes","venue":null,"work_id":"40a251d1-efac-4a4e-8769-9bbec21091e8","year":2022},"citing_paper":{"arxiv_id":"2601.16082","last_updated":"2026-05-05T14:49:12Z","snapshot_observed_at":"2026-07-06T22:42:43.581560Z","submitted_at":"2026-01-22T16:25:13Z","title":"Roche limit and stellar disruption in the Simpson--Visser spacetime","version":2},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-05-16T12:01:27.699618Z"},"links":{"cited_paper":"/paper/2202.03809","citing_paper":"/paper/2601.16082"},"observation_digest":"sha256:4f60ae19236ccab65879206286d50e8f28f953edcfbd9d30cd8eaf4a1ede8a61","observation_id":"baf154a5-c0db-4f89-941d-5b0bb3d500ec","resolution":{"observed_at":"2026-05-16T12:02:51.008217Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2202.03809","last_updated":"2022-02-08T11:56:23Z","snapshot_observed_at":"2026-08-16T17:22:51.555175Z","submitted_at":"2022-02-08T11:56:23Z","title":"Light ring images of double photon spheres in black hole and wormhole space-times","version":1},"cited_work":{"arxiv_id":"2202.03809","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2202.03809","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Light ring im- ages of double photon spheres in black hole and worm- hole spacetimes","venue":null,"work_id":"40a251d1-efac-4a4e-8769-9bbec21091e8","year":2022},"citing_paper":{"arxiv_id":"2604.16551","last_updated":"2026-04-17T07:15:39Z","snapshot_observed_at":"2026-08-10T23:35:19.028404Z","submitted_at":"2026-04-17T07:15:39Z","title":"Photon rings and shadows of black holes with non-minimal couplings between curvature and electromagnetic field","version":1},"reference_index":89,"source":"pdf_text","source_observed_at":"2026-05-10T08:25:01.464679Z"},"links":{"cited_paper":"/paper/2202.03809","citing_paper":"/paper/2604.16551"},"observation_digest":"sha256:de0c6f80ea355ffdf56ca82383964599722fb611cfa8487a3df4c5520422cb4d","observation_id":"e1225e24-3b2d-4fca-9c2d-80acfd1bf2eb","resolution":{"observed_at":"2026-05-10T08:27:52.091039Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2202.03809/citation-record","integrity":"/paper/2202.03809/integrity","json":"/paper/2202.03809/citation-record.json","paper":"/paper/2202.03809"},"outbound":[],"paper":{"arxiv_id":"2202.03809","last_updated":"2022-02-08T11:56:23Z","latest_version":1,"primary_category":"gr-qc","snapshot_observed_at":"2026-08-16T17:22:51.555175Z","submitted_at":"2022-02-08T11:56:23Z","title":"Light ring images of double photon spheres in black hole and wormhole space-times"},"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":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+00:00","source":"retraction_watch"}],"thesis":"As of 20 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 4 inbound Pith citation observations for arXiv:2202.03809."}