{"as_of":"2026-08-12T04:18:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:8afd4a622449cfd7668c5926bc563df2493980da883d33c87ef91e8c8c9b68b4","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":4,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":4,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-11T06:34:44.6726+00:00","state":"measured"},{"denominator":4,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":4,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-11T10:52:53.313031Z","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":"2026-08-10T19:51:45.389303Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2106.13222","last_updated":"2021-08-09T09:52:58Z","snapshot_observed_at":"2026-07-06T11:22:38.453675Z","submitted_at":"2021-06-24T17:57:10Z","title":"Short-distance constraints for the longitudinal component of the hadronic light-by-light amplitude: an update","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2106.13222","snapshot_observed_at":"2026-08-11T10:52:53.313031Z","title":"Colangelo, F","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2412.16281","last_updated":"2025-04-29T16:39:10Z","snapshot_observed_at":"2026-08-11T10:42:31.017601Z","submitted_at":"2024-12-20T19:00:00Z","title":"Dispersion relation for hadronic light-by-light scattering: $\\eta$ and $\\eta'$ poles","version":2},"reference_index":79,"source":"pdf_text","source_observed_at":"2026-08-11T10:52:53.313031Z"},"links":{"cited_paper":"/paper/2106.13222","citing_paper":"/paper/2412.16281"},"observation_digest":"sha256:6a9b25d75f3ab9e4b6ec4af750dab0517caee405c1722532fe368e078e80ca56","observation_id":"3c0bad90-9341-47c0-ae6b-a50db766a827","resolution":{"observed_at":"2026-08-11T10:52:53.313031Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2106.13222","last_updated":"2021-08-09T09:52:58Z","snapshot_observed_at":"2026-07-06T11:22:38.453675Z","submitted_at":"2021-06-24T17:57:10Z","title":"Short-distance constraints for the longitudinal component of the hadronic light-by-light amplitude: an update","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2106.13222","snapshot_observed_at":"2026-08-11T04:46:40.673037Z","title":"Colangelo, F","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2412.18491","last_updated":"2025-07-06T23:59:27Z","snapshot_observed_at":"2026-08-11T04:39:20.753564Z","submitted_at":"2024-12-24T15:23:49Z","title":"Hadronic vacuum polarization for the muon $g-2$ from lattice QCD: Long-distance and full light-quark connected contribution","version":3},"reference_index":31,"source":"pdf_text","source_observed_at":"2026-08-11T04:46:40.673037Z"},"links":{"cited_paper":"/paper/2106.13222","citing_paper":"/paper/2412.18491"},"observation_digest":"sha256:674522fb756b277bfd709ed55723154e3f19aaea7102bd4d9291f7c44959f5fa","observation_id":"e0f63b17-aa82-4e81-a0ed-53e5c06d2fbb","resolution":{"observed_at":"2026-08-11T04:46:40.673037Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2106.13222","last_updated":"2021-08-09T09:52:58Z","snapshot_observed_at":"2026-07-06T11:22:38.453675Z","submitted_at":"2021-06-24T17:57:10Z","title":"Short-distance constraints for the longitudinal component of the hadronic light-by-light amplitude: an update","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2106.13222","snapshot_observed_at":"2026-08-10T19:53:43.144654Z","title":"Colangelo, F","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2501.09643","last_updated":"2025-01-16T16:34:23Z","snapshot_observed_at":"2026-08-11T05:13:14.132348Z","submitted_at":"2025-01-16T16:34:23Z","title":"Dispersive analysis of the pion vector form factor without zeros","version":1},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-08-10T19:53:43.144654Z"},"links":{"cited_paper":"/paper/2106.13222","citing_paper":"/paper/2501.09643"},"observation_digest":"sha256:e4fb4fa1804fe377020c1c3d4f97998a6d6de50bcf43eae3968592bd2424b873","observation_id":"af0fb1eb-0bf2-48d6-a59e-4ebac2e432fe","resolution":{"observed_at":"2026-08-10T19:53:43.144654Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2106.13222","last_updated":"2021-08-09T09:52:58Z","snapshot_observed_at":"2026-07-06T11:22:38.453675Z","submitted_at":"2021-06-24T17:57:10Z","title":"Short-distance constraints for the longitudinal component of the hadronic light-by-light amplitude: an update","version":2},"cited_work":{"arxiv_id":"2106.13222","doi":null,"metadata_source":"pith","pith_arxiv_id":"2106.13222","snapshot_observed_at":"2026-08-10T19:51:45.389303Z","title":"Short-distance constraints for the longitudinal component of the hadronic light-by-light amplitude: an update","venue":"hep-ph","work_id":"472a6878-76c2-44c3-8c33-b12fd02916b8","year":2021},"citing_paper":{"arxiv_id":"2501.09699","last_updated":"2025-05-31T19:58:11Z","snapshot_observed_at":"2026-08-10T21:22:16.057503Z","submitted_at":"2025-01-16T17:51:52Z","title":"Tensor meson transition form factors in holographic QCD and the muon $g-2$","version":4},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-10T19:51:44.383214Z"},"links":{"cited_paper":"/paper/2106.13222","citing_paper":"/paper/2501.09699"},"observation_digest":"sha256:4360adc2f5e80c2ead2e0cb0bf57e75df27ace17ba2d7114462b21204901fcf0","observation_id":"e2a1baf4-8b5b-4285-a755-d21ef00f91e0","resolution":{"observed_at":"2026-08-10T19:51:45.393213Z","resolver_source":"local_arxiv","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"}}],"links":{"evidence":"/evidence","html":"/paper/2106.13222/citation-record","integrity":"/paper/2106.13222/integrity","json":"/paper/2106.13222/citation-record.json","paper":"/paper/2106.13222"},"outbound":[],"paper":{"arxiv_id":"2106.13222","last_updated":"2021-08-09T09:52:58Z","latest_version":2,"primary_category":"hep-ph","snapshot_observed_at":"2026-07-06T11:22:38.453675Z","submitted_at":"2021-06-24T17:57:10Z","title":"Short-distance constraints for the longitudinal component of the hadronic light-by-light amplitude: an update"},"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 12 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 4 inbound Pith citation observations for arXiv:2106.13222."}