{"as_of":"2026-08-09T16:19:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:eaf737e351d1a54c60798307b73217c7f5c1064b217294dbb02539f663d8b1d6","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":"2026-08-09T06:31:02.800959+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":"2026-08-05T23:21:31.371561Z","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":"2026-06-29T22:54:01.871479Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2109.10345","last_updated":"2021-09-21T17:57:08Z","snapshot_observed_at":"2026-07-06T11:50:02.303787Z","submitted_at":"2021-09-21T17:57:08Z","title":"Classical Double Copy of Worldline Quantum Field Theory","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2109.10345","snapshot_observed_at":"2026-08-05T23:21:31.371561Z","title":"Shi and J","venue":null,"work_id":null,"year":2022},"citing_paper":{"arxiv_id":"2508.05486","last_updated":"2025-08-07T15:24:04Z","snapshot_observed_at":"2026-08-07T20:30:06.732227Z","submitted_at":"2025-08-07T15:24:04Z","title":"Gluon amplitudes in first quantization","version":1},"reference_index":53,"source":"arxiv_source","source_observed_at":"2026-08-05T23:21:31.371561Z"},"links":{"cited_paper":"/paper/2109.10345","citing_paper":"/paper/2508.05486"},"observation_digest":"sha256:1f005675e26939d1433ca636e81a2a0dedafe1b57e1f7cf33b339eae92fa3fb1","observation_id":"4ff529a0-155f-4c35-906f-baa10bd4b879","resolution":{"observed_at":"2026-08-05T23:21:31.371561Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2109.10345","last_updated":"2021-09-21T17:57:08Z","snapshot_observed_at":"2026-07-06T11:50:02.303787Z","submitted_at":"2021-09-21T17:57:08Z","title":"Classical Double Copy of Worldline Quantum Field Theory","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2109.10345","snapshot_observed_at":"2026-08-04T13:25:45.905061Z","title":"Classical double copy of worldline quantum field theory,","venue":null,"work_id":null,"year":2022},"citing_paper":{"arxiv_id":"2510.00989","last_updated":"2026-07-07T10:35:11Z","snapshot_observed_at":"2026-08-08T00:19:53.043233Z","submitted_at":"2025-10-01T15:00:01Z","title":"Generalized Unitarity Method for Worldline Field Theory","version":6},"reference_index":91,"source":"pdf_text","source_observed_at":"2026-08-04T13:25:45.905061Z"},"links":{"cited_paper":"/paper/2109.10345","citing_paper":"/paper/2510.00989"},"observation_digest":"sha256:f29785f05deadb6dd4b27a686bb5ebaae0f3e446f53d8875fc2106b91c16073c","observation_id":"7ed92caf-150e-4da9-a84c-8e1a60f613c8","resolution":{"observed_at":"2026-08-04T13:25:45.905061Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2109.10345","last_updated":"2021-09-21T17:57:08Z","snapshot_observed_at":"2026-07-06T11:50:02.303787Z","submitted_at":"2021-09-21T17:57:08Z","title":"Classical Double Copy of Worldline Quantum Field Theory","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2109.10345","snapshot_observed_at":"2026-08-03T10:38:11.782089Z","title":"Shi and J","venue":null,"work_id":null,"year":2022},"citing_paper":{"arxiv_id":"2601.09815","last_updated":"2026-07-01T18:19:39Z","snapshot_observed_at":"2026-08-04T12:51:29.088464Z","submitted_at":"2026-01-14T19:23:34Z","title":"Entire Four-Graviton EFT from the Duality Between Color and Kinematics","version":2},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-08-03T10:38:11.782089Z"},"links":{"cited_paper":"/paper/2109.10345","citing_paper":"/paper/2601.09815"},"observation_digest":"sha256:2c2f3593fc9420439d1350532d97106fb241d7040c81b9a00be99377a2f5ae8d","observation_id":"8b5ca6eb-6c59-4eaa-8153-c59a80c72df9","resolution":{"observed_at":"2026-08-03T10:38:11.782089Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2109.10345","last_updated":"2021-09-21T17:57:08Z","snapshot_observed_at":"2026-07-06T11:50:02.303787Z","submitted_at":"2021-09-21T17:57:08Z","title":"Classical Double Copy of Worldline Quantum Field Theory","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2109.10345","snapshot_observed_at":"2026-08-03T08:40:21.628071Z","title":"Shi and J","venue":null,"work_id":null,"year":2022},"citing_paper":{"arxiv_id":"2601.16256","last_updated":"2026-07-13T19:47:59Z","snapshot_observed_at":"2026-08-08T09:27:00.970747Z","submitted_at":"2026-01-22T19:00:01Z","title":"Conservative Black Hole Scattering at Fifth Post-Minkowskian and Second Self-Force Order","version":4},"reference_index":49,"source":"pdf_text","source_observed_at":"2026-08-03T08:40:21.628071Z"},"links":{"cited_paper":"/paper/2109.10345","citing_paper":"/paper/2601.16256"},"observation_digest":"sha256:fa252d8a3db1d5fdc8c9cfa9fdf19cbbb84f2e5e1bd18879c5a347be9fa7dbe8","observation_id":"e0963ee6-172f-4ac0-81d4-d2c6fdf04bd4","resolution":{"observed_at":"2026-08-03T08:40:21.628071Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2109.10345","last_updated":"2021-09-21T17:57:08Z","snapshot_observed_at":"2026-07-06T11:50:02.303787Z","submitted_at":"2021-09-21T17:57:08Z","title":"Classical Double Copy of Worldline Quantum Field Theory","version":1},"cited_work":{"arxiv_id":"2109.10345","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2109.10345","snapshot_observed_at":"2026-06-29T22:54:01.871479Z","title":"Shi and J","venue":null,"work_id":"98ac6af6-aecd-41cd-82c5-d9f34f6df52e","year":2022},"citing_paper":{"arxiv_id":"2604.22009","last_updated":"2026-08-05T16:00:09Z","snapshot_observed_at":"2026-08-08T23:12:56.427044Z","submitted_at":"2026-04-23T18:55:30Z","title":"Black Hole Response Theory and its Exact Shockwave Limit","version":2},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-05-09T20:41:26.438912Z"},"links":{"cited_paper":"/paper/2109.10345","citing_paper":"/paper/2604.22009"},"observation_digest":"sha256:05dccfc86ef781ae650c709e5ac940b96cebf72609c0025b90d54f2625e77ddd","observation_id":"c9503615-5ab6-463b-8e1e-c9248fa06284","resolution":{"observed_at":"2026-05-11T15:01:07.084942Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-09T06:31:02.800959+00:00","source":"crossref"},{"observed_at":"2026-08-09T06:30:57.326959+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2109.10345","last_updated":"2021-09-21T17:57:08Z","snapshot_observed_at":"2026-07-06T11:50:02.303787Z","submitted_at":"2021-09-21T17:57:08Z","title":"Classical Double Copy of Worldline Quantum Field Theory","version":1},"cited_work":{"arxiv_id":"2109.10345","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2109.10345","snapshot_observed_at":"2026-06-29T22:54:01.871479Z","title":"Shi and J","venue":null,"work_id":"98ac6af6-aecd-41cd-82c5-d9f34f6df52e","year":2022},"citing_paper":{"arxiv_id":"2605.26077","last_updated":"2026-05-25T17:42:15Z","snapshot_observed_at":"2026-07-06T23:35:55.988443Z","submitted_at":"2026-05-25T17:42:15Z","title":"On Perturbatively Dressed Observables","version":1},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-06-29T20:29:55.019466Z"},"links":{"cited_paper":"/paper/2109.10345","citing_paper":"/paper/2605.26077"},"observation_digest":"sha256:20e3afeb05890bc3bc5f68cecf3978f974e854918d9e0b309ef0cc37142c14b8","observation_id":"e637791a-0b72-4907-b2b4-b5651735e6b3","resolution":{"observed_at":"2026-06-29T22:54:01.877320Z","resolver_source":"arxiv_id","status":"metadata_mismatch"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-09T06:31:02.800959+00:00","source":"crossref"},{"observed_at":"2026-08-09T06:30:57.326959+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2109.10345/citation-record","integrity":"/paper/2109.10345/integrity","json":"/paper/2109.10345/citation-record.json","paper":"/paper/2109.10345"},"outbound":[],"paper":{"arxiv_id":"2109.10345","last_updated":"2021-09-21T17:57:08Z","latest_version":1,"primary_category":"hep-th","snapshot_observed_at":"2026-07-06T11:50:02.303787Z","submitted_at":"2021-09-21T17:57:08Z","title":"Classical Double Copy of Worldline Quantum Field Theory"},"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":"2026-08-09T06:31:02.800959+00:00","source":"crossref"},{"observed_at":"2026-08-09T06:30:57.326959+00:00","source":"retraction_watch"}],"thesis":"As of 9 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 6 inbound Pith citation observations for arXiv:2109.10345."}