{"as_of":"2026-08-11T09:36:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:07f345d923c172a8bbb87dd9519dfc99b093a7074acd82268ff6cdd6c558f9db","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":7,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":7,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-11T06:34:44.6726+00:00","state":"measured"},{"denominator":7,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":7,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-10T19:43:06.051893Z","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":"2026-07-04T04:59:36.865140Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1901.03928","last_updated":"2023-07-12T21:14:53Z","snapshot_observed_at":"2026-08-01T07:34:58.962479Z","submitted_at":"2019-01-13T03:56:27Z","title":"Light Rays, Singularities, and All That","version":6},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1901.03928","snapshot_observed_at":"2026-08-10T16:31:46.778956Z","title":"Witten, Light Rays, Singularities, and All That , Rev","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2501.13182","last_updated":"2025-01-22T19:27:33Z","snapshot_observed_at":"2026-08-10T16:37:05.161042Z","submitted_at":"2025-01-22T19:27:33Z","title":"Boundary imprint of bulk causality","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-10T16:31:46.778956Z"},"links":{"cited_paper":"/paper/1901.03928","citing_paper":"/paper/2501.13182"},"observation_digest":"sha256:c4d4b98eb8f17c9e28212b912fe51a17cef392a8fcc2e86424e86452546b5be2","observation_id":"238abbc6-aaba-4e63-9fa6-cde6947e4fc6","resolution":{"observed_at":"2026-08-10T16:31:46.778956Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1901.03928","last_updated":"2023-07-12T21:14:53Z","snapshot_observed_at":"2026-08-01T07:34:58.962479Z","submitted_at":"2019-01-13T03:56:27Z","title":"Light Rays, Singularities, and All That","version":6},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1901.03928","snapshot_observed_at":"2026-08-09T10:26:07.740443Z","title":"Light Rays, Singularities, and All That,","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2502.03007","last_updated":"2025-02-05T09:04:12Z","snapshot_observed_at":"2026-08-09T21:34:43.468100Z","submitted_at":"2025-02-05T09:04:12Z","title":"Displacement memory and B-memory in generalised Ellis-Bronnikov wormholes","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-09T10:26:07.740443Z"},"links":{"cited_paper":"/paper/1901.03928","citing_paper":"/paper/2502.03007"},"observation_digest":"sha256:1fca5542064ab6d97788a644c5670e5d41a8ad7791a18089f73a9863c0f2896d","observation_id":"10869701-805f-4a1e-8a5c-077a78163a47","resolution":{"observed_at":"2026-08-09T10:26:07.740443Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1901.03928","last_updated":"2023-07-12T21:14:53Z","snapshot_observed_at":"2026-08-01T07:34:58.962479Z","submitted_at":"2019-01-13T03:56:27Z","title":"Light Rays, Singularities, and All That","version":6},"cited_work":{"arxiv_id":"1901.03928","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1901.03928","snapshot_observed_at":"2026-07-04T04:59:36.865140Z","title":"Light Rays, Singularities, and All That","venue":null,"work_id":"43038136-6190-4a61-8387-22eaaf3b504d","year":2020},"citing_paper":{"arxiv_id":"2508.13283","last_updated":"2026-05-01T13:37:05Z","snapshot_observed_at":"2026-07-06T22:14:39.976373Z","submitted_at":"2025-08-18T18:01:02Z","title":"Algebraic traversable wormholes","version":3},"reference_index":39,"source":"pdf_text","source_observed_at":"2026-05-18T22:04:10.039477Z"},"links":{"cited_paper":"/paper/1901.03928","citing_paper":"/paper/2508.13283"},"observation_digest":"sha256:acbf0c5df1486489df36a2e45b59dc5f31691b036d8ae0acc6b62450e08a53f4","observation_id":"c79f301e-3914-43ab-9faa-5fb2a1bb3455","resolution":{"observed_at":"2026-05-18T22:06:51.955941Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1901.03928","last_updated":"2023-07-12T21:14:53Z","snapshot_observed_at":"2026-08-01T07:34:58.962479Z","submitted_at":"2019-01-13T03:56:27Z","title":"Light Rays, Singularities, and All That","version":6},"cited_work":{"arxiv_id":"1901.03928","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1901.03928","snapshot_observed_at":"2026-07-04T04:59:36.865140Z","title":"Light Rays, Singularities, and All That","venue":null,"work_id":"43038136-6190-4a61-8387-22eaaf3b504d","year":2020},"citing_paper":{"arxiv_id":"2605.00089","last_updated":"2026-04-30T18:00:00Z","snapshot_observed_at":"2026-07-06T23:13:33.799847Z","submitted_at":"2026-04-30T18:00:00Z","title":"On the Asymptotic Causal Structure in Gravitational EFTs","version":1},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-05-09T20:59:23.869250Z"},"links":{"cited_paper":"/paper/1901.03928","citing_paper":"/paper/2605.00089"},"observation_digest":"sha256:12dd4bb5a6ecddac39eff139e60119afe6ceaab1afe723493564ef75ff7df884","observation_id":"4d09606f-f3a2-4cec-96ac-40e7e4d3be26","resolution":{"observed_at":"2026-05-11T14:51:05.104745Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1901.03928","last_updated":"2023-07-12T21:14:53Z","snapshot_observed_at":"2026-08-01T07:34:58.962479Z","submitted_at":"2019-01-13T03:56:27Z","title":"Light Rays, Singularities, and All That","version":6},"cited_work":{"arxiv_id":"1901.03928","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1901.03928","snapshot_observed_at":"2026-07-04T04:59:36.865140Z","title":"Light Rays, Singularities, and All That","venue":null,"work_id":"43038136-6190-4a61-8387-22eaaf3b504d","year":2020},"citing_paper":{"arxiv_id":"2605.18964","last_updated":"2026-05-18T18:00:12Z","snapshot_observed_at":"2026-08-03T23:25:17.259436Z","submitted_at":"2026-05-18T18:00:12Z","title":"Modave lectures on energy conditions in quantum field theory and semi-classical gravity","version":1},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-05-20T08:50:14.883336Z"},"links":{"cited_paper":"/paper/1901.03928","citing_paper":"/paper/2605.18964"},"observation_digest":"sha256:3eb844bde23fbd31003e8a4f263f377899fdc7d16eeb94e3a946e5aef8433371","observation_id":"666183b7-3467-45bb-930b-927e69695aa0","resolution":{"observed_at":"2026-05-20T08:53:10.194609Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1901.03928","last_updated":"2023-07-12T21:14:53Z","snapshot_observed_at":"2026-08-01T07:34:58.962479Z","submitted_at":"2019-01-13T03:56:27Z","title":"Light Rays, Singularities, and All That","version":6},"cited_work":{"arxiv_id":"1901.03928","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1901.03928","snapshot_observed_at":"2026-07-04T04:59:36.865140Z","title":"Light Rays, Singularities, and All That","venue":null,"work_id":"43038136-6190-4a61-8387-22eaaf3b504d","year":2020},"citing_paper":{"arxiv_id":"2606.20476","last_updated":"2026-06-18T16:55:05Z","snapshot_observed_at":"2026-07-06T23:55:38.979306Z","submitted_at":"2026-06-18T16:55:05Z","title":"Impossibility of superluminal signalling rules out causal loops in conical spacetimes","version":1},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-06-26T16:28:22.561103Z"},"links":{"cited_paper":"/paper/1901.03928","citing_paper":"/paper/2606.20476"},"observation_digest":"sha256:5c915d7eeb520b538c0b21dda1f2c83df7da249b8860c6f61acf589977a04434","observation_id":"edc3e959-787b-4504-a06d-04a4b30cf002","resolution":{"observed_at":"2026-07-04T04:59:36.867505Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1901.03928","last_updated":"2023-07-12T21:14:53Z","snapshot_observed_at":"2026-08-01T07:34:58.962479Z","submitted_at":"2019-01-13T03:56:27Z","title":"Light Rays, Singularities, and All That","version":6},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1901.03928","snapshot_observed_at":"2026-08-10T19:43:06.051893Z","title":"Witten, Rev","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2608.06852","last_updated":"2026-08-07T06:21:13Z","snapshot_observed_at":"2026-08-11T09:10:44.031350Z","submitted_at":"2026-08-07T06:21:13Z","title":"Geodesic completeness of anisotropic cosmologies and the null energy condition","version":1},"reference_index":72,"source":"pdf_text","source_observed_at":"2026-08-10T19:43:06.051893Z"},"links":{"cited_paper":"/paper/1901.03928","citing_paper":"/paper/2608.06852"},"observation_digest":"sha256:75f1e6c0725f613a67bb966f8f6a887ffdec8a154d9977c3a11f08608e59a708","observation_id":"5c70d7ae-1fa4-4afc-9d03-b30b79688130","resolution":{"observed_at":"2026-08-10T19:43:06.051893Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/1901.03928/citation-record","integrity":"/paper/1901.03928/integrity","json":"/paper/1901.03928/citation-record.json","paper":"/paper/1901.03928"},"outbound":[],"paper":{"arxiv_id":"1901.03928","last_updated":"2023-07-12T21:14:53Z","latest_version":6,"primary_category":"hep-th","snapshot_observed_at":"2026-08-01T07:34:58.962479Z","submitted_at":"2019-01-13T03:56:27Z","title":"Light Rays, Singularities, and All That"},"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":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"thesis":"As of 11 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 7 inbound Pith citation observations for arXiv:1901.03928."}