{"as_of":"2026-08-21T08:00:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:0d6b87b66e9c4e80d80886e296e32fb48a1ed154e10a0892a9b3d57e4e12d3e1","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":"2026-08-15T21:35:08.306991Z","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":"2026-05-22T02:45:57.118860Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2101.09591","last_updated":"2021-01-23T21:48:15Z","snapshot_observed_at":"2026-08-16T18:50:28.025532Z","submitted_at":"2021-01-23T21:48:15Z","title":"$(2,2)$ Scattering and the Celestial Torus","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2101.09591","snapshot_observed_at":"2026-08-11T00:21:19.840894Z","title":"(2, 2) Scattering and the celestial torus,","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2412.19653","last_updated":"2025-05-03T02:25:19Z","snapshot_observed_at":"2026-08-17T07:47:05.845531Z","submitted_at":"2024-12-27T13:59:14Z","title":"Celestial Quantum Error Correction II: From Qudits to Celestial CFT","version":3},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-11T00:21:19.840894Z"},"links":{"cited_paper":"/paper/2101.09591","citing_paper":"/paper/2412.19653"},"observation_digest":"sha256:65078a4257ce4b7815bf8f7136598db4e99435c7aaf74083b479d131d237b877","observation_id":"91ffbf8a-fcf5-47e9-ad34-eb82126a5b9b","resolution":{"observed_at":"2026-08-11T00:21:19.840894Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2101.09591","last_updated":"2021-01-23T21:48:15Z","snapshot_observed_at":"2026-08-16T18:50:28.025532Z","submitted_at":"2021-01-23T21:48:15Z","title":"$(2,2)$ Scattering and the Celestial Torus","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2101.09591","snapshot_observed_at":"2026-08-15T21:35:08.306991Z","title":"(2, 2) Scattering and the celestial torus,","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2505.09499","last_updated":"2025-05-14T15:49:34Z","snapshot_observed_at":"2026-08-16T01:42:06.987673Z","submitted_at":"2025-05-14T15:49:34Z","title":"Shadow Celestial Operator Product Expansions","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-15T21:35:08.306991Z"},"links":{"cited_paper":"/paper/2101.09591","citing_paper":"/paper/2505.09499"},"observation_digest":"sha256:5d7843b594e5874cc6e62aa35fafb67fe79c3ecbfa8ad71296af5e815807c562","observation_id":"2f4b5060-6e14-48eb-bc41-65b09de9034a","resolution":{"observed_at":"2026-08-15T21:35:08.306991Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2101.09591","last_updated":"2021-01-23T21:48:15Z","snapshot_observed_at":"2026-08-16T18:50:28.025532Z","submitted_at":"2021-01-23T21:48:15Z","title":"$(2,2)$ Scattering and the Celestial Torus","version":1},"cited_work":{"arxiv_id":"2101.09591","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2101.09591","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Atanasov, A","venue":null,"work_id":"81f6f7e3-8136-4111-badb-166ca7b71c1f","year":2021},"citing_paper":{"arxiv_id":"2505.16436","last_updated":"2026-04-06T06:00:08Z","snapshot_observed_at":"2026-08-15T09:59:00.772457Z","submitted_at":"2025-05-22T09:26:12Z","title":"QFT in Klein space","version":2},"reference_index":55,"source":"pdf_text","source_observed_at":"2026-05-22T02:45:19.253749Z"},"links":{"cited_paper":"/paper/2101.09591","citing_paper":"/paper/2505.16436"},"observation_digest":"sha256:f73b8373f6062a32ba821878a99f491616994191e9328dca0cf0613060c40fdd","observation_id":"48e586e1-ee3d-4a72-a12a-c16537d117be","resolution":{"observed_at":"2026-05-22T02:45:57.121729Z","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":"2101.09591","last_updated":"2021-01-23T21:48:15Z","snapshot_observed_at":"2026-08-16T18:50:28.025532Z","submitted_at":"2021-01-23T21:48:15Z","title":"$(2,2)$ Scattering and the Celestial Torus","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2101.09591","snapshot_observed_at":"2026-08-06T18:26:44.770111Z","title":"Atanasov, A","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2507.08431","last_updated":"2025-07-11T09:17:08Z","snapshot_observed_at":"2026-08-17T21:06:22.692787Z","submitted_at":"2025-07-11T09:17:08Z","title":"Null geodesics, causal structure, and matter accretion in Lorentzian-Euclidean black holes","version":1},"reference_index":111,"source":"pdf_text","source_observed_at":"2026-08-06T18:26:44.770111Z"},"links":{"cited_paper":"/paper/2101.09591","citing_paper":"/paper/2507.08431"},"observation_digest":"sha256:fa4d2bce33846f271f2bff3774dbd1c38080051ff527415820d5cce3b9962e41","observation_id":"f6870418-4a13-4cad-ae25-91b815bd3395","resolution":{"observed_at":"2026-08-06T18:26:44.770111Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2101.09591","last_updated":"2021-01-23T21:48:15Z","snapshot_observed_at":"2026-08-16T18:50:28.025532Z","submitted_at":"2021-01-23T21:48:15Z","title":"$(2,2)$ Scattering and the Celestial Torus","version":1},"cited_work":{"arxiv_id":"2101.09591","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2101.09591","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Atanasov, A","venue":null,"work_id":"81f6f7e3-8136-4111-badb-166ca7b71c1f","year":2021},"citing_paper":{"arxiv_id":"2605.03250","last_updated":"2026-07-10T04:02:16Z","snapshot_observed_at":"2026-08-03T00:48:44.771563Z","submitted_at":"2026-05-05T00:45:46Z","title":"Modular Flow of Celestial Conformal Field Theory","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-05-07T15:56:53.671180Z"},"links":{"cited_paper":"/paper/2101.09591","citing_paper":"/paper/2605.03250"},"observation_digest":"sha256:332409344686bb53a49dd94b24fa7b18800e4b1dbf17e0716ad2347cc31afd14","observation_id":"0bec60c2-535b-4c62-8029-06c98794f391","resolution":{"observed_at":"2026-05-12T00:01:14.286620Z","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":"2101.09591","last_updated":"2021-01-23T21:48:15Z","snapshot_observed_at":"2026-08-16T18:50:28.025532Z","submitted_at":"2021-01-23T21:48:15Z","title":"$(2,2)$ Scattering and the Celestial Torus","version":1},"cited_work":{"arxiv_id":"2101.09591","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2101.09591","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Atanasov, A","venue":null,"work_id":"81f6f7e3-8136-4111-badb-166ca7b71c1f","year":2021},"citing_paper":{"arxiv_id":"2605.03250","last_updated":"2026-07-10T04:02:16Z","snapshot_observed_at":"2026-08-03T00:48:44.771563Z","submitted_at":"2026-05-05T00:45:46Z","title":"Modular Flow of Celestial Conformal Field Theory","version":2},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-05-08T19:10:30.612697Z"},"links":{"cited_paper":"/paper/2101.09591","citing_paper":"/paper/2605.03250"},"observation_digest":"sha256:9f8922ac0b5a696c2afffae93f5d58a9ea7f2ba733d0dcf0080b053e75f23cf7","observation_id":"c1543ec2-b2f1-47a2-bd6b-8dabfd3fd8c8","resolution":{"observed_at":"2026-05-09T06:00:36.907329Z","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":"2101.09591","last_updated":"2021-01-23T21:48:15Z","snapshot_observed_at":"2026-08-16T18:50:28.025532Z","submitted_at":"2021-01-23T21:48:15Z","title":"$(2,2)$ Scattering and the Celestial Torus","version":1},"cited_work":{"arxiv_id":"2101.09591","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2101.09591","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Atanasov, A","venue":null,"work_id":"81f6f7e3-8136-4111-badb-166ca7b71c1f","year":2021},"citing_paper":{"arxiv_id":"2605.03250","last_updated":"2026-07-10T04:02:16Z","snapshot_observed_at":"2026-08-03T00:48:44.771563Z","submitted_at":"2026-05-05T00:45:46Z","title":"Modular Flow of Celestial Conformal Field Theory","version":3},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-05-21T01:04:19.250173Z"},"links":{"cited_paper":"/paper/2101.09591","citing_paper":"/paper/2605.03250"},"observation_digest":"sha256:7aa3085294d51a9b48ba959b1eb004c4bae0f843ba2a4d5e27c46ca0d8fb22c2","observation_id":"b59c949b-f278-4157-a072-5058e98dfd45","resolution":{"observed_at":"2026-05-21T01:09:21.006076Z","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":"2101.09591","last_updated":"2021-01-23T21:48:15Z","snapshot_observed_at":"2026-08-16T18:50:28.025532Z","submitted_at":"2021-01-23T21:48:15Z","title":"$(2,2)$ Scattering and the Celestial Torus","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2101.09591","snapshot_observed_at":"2026-07-13T08:03:02.182168Z","title":"Atanasov, A","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2605.03250","last_updated":"2026-07-10T04:02:16Z","snapshot_observed_at":"2026-08-03T00:48:44.771563Z","submitted_at":"2026-05-05T00:45:46Z","title":"Modular Flow of Celestial Conformal Field Theory","version":4},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-07-13T08:03:02.182168Z"},"links":{"cited_paper":"/paper/2101.09591","citing_paper":"/paper/2605.03250"},"observation_digest":"sha256:8954d8381bf58c081ba9cdc3fe10b1bea06615b653f9ffbe3587812999eba4ed","observation_id":"12835d37-b892-44a3-8900-e8730bb7186d","resolution":{"observed_at":"2026-07-13T08:03:02.182168Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/2101.09591/citation-record","integrity":"/paper/2101.09591/integrity","json":"/paper/2101.09591/citation-record.json","paper":"/paper/2101.09591"},"outbound":[],"paper":{"arxiv_id":"2101.09591","last_updated":"2021-01-23T21:48:15Z","latest_version":1,"primary_category":"hep-th","snapshot_observed_at":"2026-08-16T18:50:28.025532Z","submitted_at":"2021-01-23T21:48:15Z","title":"$(2,2)$ Scattering and the Celestial Torus"},"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:2101.09591."}