{"as_of":"2026-08-10T06:40:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:587b968128654ff14796f5db6b4576e182d07d0d5a2ab44ad343e0a16ad4b53f","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":5,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":5,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-10T06:31:04.303077+00:00","state":"measured"},{"denominator":5,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":5,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-10T04:36:56.948371Z","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":"2026-07-04T14:39:57.586926Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1912.01650","last_updated":"2020-02-24T20:08:18Z","snapshot_observed_at":"2026-07-06T08:41:49.632205Z","submitted_at":"2019-12-03T19:45:29Z","title":"Strings, extended objects, and the classical double copy","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1912.01650","snapshot_observed_at":"2026-08-10T04:36:56.948371Z","title":null,"venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2501.17818","last_updated":"2025-01-29T18:10:08Z","snapshot_observed_at":"2026-08-10T04:46:35.775445Z","submitted_at":"2025-01-29T18:10:08Z","title":"Gleaning gravitational amplitudes -- a double copy for canceling dilatons","version":1},"reference_index":155,"source":"pdf_text","source_observed_at":"2026-08-10T04:36:56.948371Z"},"links":{"cited_paper":"/paper/1912.01650","citing_paper":"/paper/2501.17818"},"observation_digest":"sha256:7869550d9ca3c0484f130b48e780be0857788b9b0e9579f2ba8348101f1f1211","observation_id":"08d16117-7269-49fd-8bfd-54fc7e397767","resolution":{"observed_at":"2026-08-10T04:36:56.948371Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1912.01650","last_updated":"2020-02-24T20:08:18Z","snapshot_observed_at":"2026-07-06T08:41:49.632205Z","submitted_at":"2019-12-03T19:45:29Z","title":"Strings, extended objects, and the classical double copy","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1912.01650","snapshot_observed_at":"2026-08-09T15:57:44.083943Z","title":"Strings, extended objects, and the classical double copy,","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2502.01294","last_updated":"2025-02-03T12:13:36Z","snapshot_observed_at":"2026-08-09T23:45:25.803189Z","submitted_at":"2025-02-03T12:13:36Z","title":"Time-dependent solutions of biadjoint scalar field theories","version":1},"reference_index":40,"source":"pdf_text","source_observed_at":"2026-08-09T15:57:44.083943Z"},"links":{"cited_paper":"/paper/1912.01650","citing_paper":"/paper/2502.01294"},"observation_digest":"sha256:e40f1e67df3e27992e0649f105f45170ac78fe442f6ee3bffa164169b729f564","observation_id":"3564afe4-3fe3-4b17-8a6c-ff8898648c2a","resolution":{"observed_at":"2026-08-09T15:57:44.083943Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1912.01650","last_updated":"2020-02-24T20:08:18Z","snapshot_observed_at":"2026-07-06T08:41:49.632205Z","submitted_at":"2019-12-03T19:45:29Z","title":"Strings, extended objects, and the classical double copy","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1912.01650","snapshot_observed_at":"2026-08-07T04:50:49.379452Z","title":"Goldberger and J","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2506.09869","last_updated":"2026-06-22T14:20:24Z","snapshot_observed_at":"2026-08-09T10:43:32.818804Z","submitted_at":"2025-06-11T15:42:00Z","title":"Off-shell double copy theories in BV","version":2},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-07T04:50:49.379452Z"},"links":{"cited_paper":"/paper/1912.01650","citing_paper":"/paper/2506.09869"},"observation_digest":"sha256:d45306e727257de6cc1012dc1c627bd3a614239151e70da850a40bcb55332343","observation_id":"1ffee10d-dfde-4672-a00c-f849b242317c","resolution":{"observed_at":"2026-08-07T04:50:49.379452Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1912.01650","last_updated":"2020-02-24T20:08:18Z","snapshot_observed_at":"2026-07-06T08:41:49.632205Z","submitted_at":"2019-12-03T19:45:29Z","title":"Strings, extended objects, and the classical double copy","version":3},"cited_work":{"arxiv_id":"1912.01650","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1912.01650","snapshot_observed_at":"2026-07-04T14:39:57.586926Z","title":"Goldberger and J","venue":null,"work_id":"628c4e95-a100-433d-b9b6-5dffdb56de0e","year":2020},"citing_paper":{"arxiv_id":"2510.25866","last_updated":"2026-04-11T14:03:12Z","snapshot_observed_at":"2026-08-05T20:32:47.896045Z","submitted_at":"2025-10-29T18:10:21Z","title":"Hawking Radiation meets the Double Copy","version":2},"reference_index":62,"source":"pdf_text","source_observed_at":"2026-05-18T03:07:13.076112Z"},"links":{"cited_paper":"/paper/1912.01650","citing_paper":"/paper/2510.25866"},"observation_digest":"sha256:e1df4ce2173832c55c6b3badcb7867c75ffb37dddf9aa45c1ffdadbe398abb50","observation_id":"5171bb1f-1f38-4638-99fe-404e55b9aff1","resolution":{"observed_at":"2026-05-18T03:10:49.730575Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1912.01650","last_updated":"2020-02-24T20:08:18Z","snapshot_observed_at":"2026-07-06T08:41:49.632205Z","submitted_at":"2019-12-03T19:45:29Z","title":"Strings, extended objects, and the classical double copy","version":3},"cited_work":{"arxiv_id":"1912.01650","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1912.01650","snapshot_observed_at":"2026-07-04T14:39:57.586926Z","title":"Goldberger and J","venue":null,"work_id":"628c4e95-a100-433d-b9b6-5dffdb56de0e","year":2020},"citing_paper":{"arxiv_id":"2606.27054","last_updated":"2026-06-25T13:59:34Z","snapshot_observed_at":"2026-08-02T11:07:21.450781Z","submitted_at":"2026-06-25T13:59:34Z","title":"Non-topological solitons in biadjoint scalar field theory","version":1},"reference_index":40,"source":"pdf_text","source_observed_at":"2026-06-26T03:13:04.414181Z"},"links":{"cited_paper":"/paper/1912.01650","citing_paper":"/paper/2606.27054"},"observation_digest":"sha256:f381f3d307482bb036d70b824652964777979ec036d5416695e53633fc7801c9","observation_id":"9912153d-de41-47b9-b214-d5668a6f815a","resolution":{"observed_at":"2026-07-04T14:39:57.588542Z","resolver_source":"arxiv_id","status":"metadata_mismatch"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1912.01650/citation-record","integrity":"/paper/1912.01650/integrity","json":"/paper/1912.01650/citation-record.json","paper":"/paper/1912.01650"},"outbound":[],"paper":{"arxiv_id":"1912.01650","last_updated":"2020-02-24T20:08:18Z","latest_version":3,"primary_category":"hep-th","snapshot_observed_at":"2026-07-06T08:41:49.632205Z","submitted_at":"2019-12-03T19:45:29Z","title":"Strings, extended objects, and the classical double copy"},"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":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"thesis":"As of 10 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 5 inbound Pith citation observations for arXiv:1912.01650."}