{"as_of":"2026-08-21T23:28:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:3608c703644b26c697d87308a049db0c300e424ed3ac938cbcc86cba481041d7","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":"2026-08-21T06:32:19.484+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":"2026-08-15T16:54:30.618834Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"pith","source_observed_at":"2026-07-11T00:07:43.627530Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1910.14392","last_updated":"2019-11-18T14:18:51Z","snapshot_observed_at":"2026-08-17T18:04:07.650862Z","submitted_at":"2019-10-31T11:47:24Z","title":"Classifying and constraining local four photon and four graviton S-matrices","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1910.14392","snapshot_observed_at":"2026-08-15T16:54:30.618834Z","title":"Classifying and constraining local four photon and four graviton S-matrices,","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2508.19981","last_updated":"2025-08-27T15:40:01Z","snapshot_observed_at":"2026-08-16T08:04:44.694685Z","submitted_at":"2025-08-27T15:40:01Z","title":"Infinite towers of 2d symmetry algebras from Carrollian limit of 3d CFT","version":1},"reference_index":50,"source":"pdf_text","source_observed_at":"2026-08-15T16:54:30.618834Z"},"links":{"cited_paper":"/paper/1910.14392","citing_paper":"/paper/2508.19981"},"observation_digest":"sha256:954356bb65ab7157daa28407128a98982c9541e5e73557e8c3cf55c12bb1c0d9","observation_id":"320142e3-8c2b-4dec-89c4-76733a0342c1","resolution":{"observed_at":"2026-08-15T16:54:30.618834Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1910.14392","last_updated":"2019-11-18T14:18:51Z","snapshot_observed_at":"2026-08-17T18:04:07.650862Z","submitted_at":"2019-10-31T11:47:24Z","title":"Classifying and constraining local four photon and four graviton S-matrices","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1910.14392","snapshot_observed_at":"2026-08-03T13:39:29.361830Z","title":"Chowdhury, A","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2512.23791","last_updated":"2026-06-10T09:14:42Z","snapshot_observed_at":"2026-08-20T00:16:32.925508Z","submitted_at":"2025-12-29T19:00:00Z","title":"Energy correlators in four-dimensional gravity","version":2},"reference_index":56,"source":"pdf_text","source_observed_at":"2026-08-03T13:39:29.361830Z"},"links":{"cited_paper":"/paper/1910.14392","citing_paper":"/paper/2512.23791"},"observation_digest":"sha256:648af760c7f80711e99dbbb65737e099b4e38ccf205f11b8499caa94384886f9","observation_id":"70ffa2f9-3212-49cf-8d3e-fcd81b013a80","resolution":{"observed_at":"2026-08-03T13:39:29.361830Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1910.14392","last_updated":"2019-11-18T14:18:51Z","snapshot_observed_at":"2026-08-17T18:04:07.650862Z","submitted_at":"2019-10-31T11:47:24Z","title":"Classifying and constraining local four photon and four graviton S-matrices","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1910.14392","snapshot_observed_at":"2026-08-03T10:38:17.031624Z","title":null,"venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2601.09815","last_updated":"2026-07-01T18:19:39Z","snapshot_observed_at":"2026-08-15T18:43:35.526657Z","submitted_at":"2026-01-14T19:23:34Z","title":"Entire Four-Graviton EFT from the Duality Between Color and Kinematics","version":2},"reference_index":73,"source":"pdf_text","source_observed_at":"2026-08-03T10:38:17.031624Z"},"links":{"cited_paper":"/paper/1910.14392","citing_paper":"/paper/2601.09815"},"observation_digest":"sha256:6e5a351f03fc6c7ff06d31600b30c52d832819019171180fd5b5bda41c048a2e","observation_id":"a722e002-05f6-4695-8cfd-3706c94ea349","resolution":{"observed_at":"2026-08-03T10:38:17.031624Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1910.14392","last_updated":"2019-11-18T14:18:51Z","snapshot_observed_at":"2026-08-17T18:04:07.650862Z","submitted_at":"2019-10-31T11:47:24Z","title":"Classifying and constraining local four photon and four graviton S-matrices","version":2},"cited_work":{"arxiv_id":"1910.14392","doi":null,"metadata_source":"pith","pith_arxiv_id":"1910.14392","snapshot_observed_at":"2026-07-11T00:07:43.627530Z","title":"Classifying and constraining local four photon and four graviton S-matrices","venue":"hep-th","work_id":"ccf19eb0-3eb4-40c6-992b-a654bc0054c6","year":2019},"citing_paper":{"arxiv_id":"2606.09980","last_updated":"2026-06-08T18:00:01Z","snapshot_observed_at":"2026-08-09T09:49:25.888380Z","submitted_at":"2026-06-08T18:00:01Z","title":"Where is tree-level heterotic string theory?","version":1},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-06-27T15:25:53.484704Z"},"links":{"cited_paper":"/paper/1910.14392","citing_paper":"/paper/2606.09980"},"observation_digest":"sha256:0c0fdcbcad2662fb3543b33f843c69246a6ed306dd4c0cfa120e3839ed4bd068","observation_id":"ee4dc32b-e6be-4686-a25c-8bcff9ef3844","resolution":{"observed_at":"2026-07-03T03:17:35.107272Z","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":"1910.14392","last_updated":"2019-11-18T14:18:51Z","snapshot_observed_at":"2026-08-17T18:04:07.650862Z","submitted_at":"2019-10-31T11:47:24Z","title":"Classifying and constraining local four photon and four graviton S-matrices","version":2},"cited_work":{"arxiv_id":"1910.14392","doi":null,"metadata_source":"pith","pith_arxiv_id":"1910.14392","snapshot_observed_at":"2026-07-11T00:07:43.627530Z","title":"Classifying and constraining local four photon and four graviton S-matrices","venue":"hep-th","work_id":"ccf19eb0-3eb4-40c6-992b-a654bc0054c6","year":2019},"citing_paper":{"arxiv_id":"2607.06658","last_updated":"2026-07-07T18:00:00Z","snapshot_observed_at":"2026-08-13T04:14:48.449670Z","submitted_at":"2026-07-07T18:00:00Z","title":"The Positivity Geometry of Photon--Dark-Photon Effective Field Theories","version":1},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-07-10T23:57:36.382664Z"},"links":{"cited_paper":"/paper/1910.14392","citing_paper":"/paper/2607.06658"},"observation_digest":"sha256:a1c98a65ccc327cc9e7c1c60989ba7e418350b4a3c686783c84eb9fbc88cc80c","observation_id":"6fbed392-7b3b-48f5-9ae0-d1e77916db60","resolution":{"observed_at":"2026-07-11T00:07:43.641474Z","resolver_source":"local_arxiv","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":"1910.14392","last_updated":"2019-11-18T14:18:51Z","snapshot_observed_at":"2026-08-17T18:04:07.650862Z","submitted_at":"2019-10-31T11:47:24Z","title":"Classifying and constraining local four photon and four graviton S-matrices","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1910.14392","snapshot_observed_at":"2026-08-02T02:48:49.523771Z","title":"Chowdhury, A","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2607.14230","last_updated":"2026-07-15T18:00:34Z","snapshot_observed_at":"2026-08-12T17:27:09.006450Z","submitted_at":"2026-07-15T18:00:34Z","title":"Gravitational Effective Theories with Maximal Supersymmetry and a Peculiar Parity","version":1},"reference_index":76,"source":"pdf_text","source_observed_at":"2026-08-02T02:48:49.523771Z"},"links":{"cited_paper":"/paper/1910.14392","citing_paper":"/paper/2607.14230"},"observation_digest":"sha256:3f284b13f09cb5993574a0e46a58d7667d65678e3a887c62a357a00f6e173c40","observation_id":"dd43408a-4255-4b16-b317-ead575677568","resolution":{"observed_at":"2026-08-02T02:48:49.523771Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/1910.14392/citation-record","integrity":"/paper/1910.14392/integrity","json":"/paper/1910.14392/citation-record.json","paper":"/paper/1910.14392"},"outbound":[],"paper":{"arxiv_id":"1910.14392","last_updated":"2019-11-18T14:18:51Z","latest_version":2,"primary_category":"hep-th","snapshot_observed_at":"2026-08-17T18:04:07.650862Z","submitted_at":"2019-10-31T11:47:24Z","title":"Classifying and constraining local four photon and four graviton S-matrices"},"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 6 inbound Pith citation observations for arXiv:1910.14392."}