{"as_of":"2026-08-11T13:38:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:2eed2163dd924d41a86df723d1a28a076c23dd65f3b54b5401bf2d95b6c88cfe","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":2,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":2,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-11T06:34:44.6726+00:00","state":"measured"},{"denominator":2,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":2,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-10T14:23:03.991353Z","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":"2026-05-19T18:07:42.801165Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2103.05218","last_updated":"2021-10-16T06:45:28Z","snapshot_observed_at":"2026-08-11T08:53:38.267586Z","submitted_at":"2021-03-09T04:38:45Z","title":"Searching for axion-like particles at future electron-positron colliders","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2103.05218","snapshot_observed_at":"2026-08-10T14:23:03.991353Z","title":"Zhang, C.-X","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2501.15500","last_updated":"2025-06-03T15:08:50Z","snapshot_observed_at":"2026-08-10T18:35:47.209890Z","submitted_at":"2025-01-26T12:16:55Z","title":"Analysis of axion-like particles in a top-quark pair production at the CLIC","version":2},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-08-10T14:23:03.991353Z"},"links":{"cited_paper":"/paper/2103.05218","citing_paper":"/paper/2501.15500"},"observation_digest":"sha256:844a20bc29134b938c31bc9bee7cfdb2779ebe01d6e5fb77542ec277ef7d64d8","observation_id":"5afea9d2-d2fb-43e3-b3e3-67ca9ec98ba3","resolution":{"observed_at":"2026-08-10T14:23:03.991353Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2103.05218","last_updated":"2021-10-16T06:45:28Z","snapshot_observed_at":"2026-08-11T08:53:38.267586Z","submitted_at":"2021-03-09T04:38:45Z","title":"Searching for axion-like particles at future electron-positron colliders","version":3},"cited_work":{"arxiv_id":"2103.05218","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2103.05218","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Zhang, C.-X","venue":null,"work_id":"a5d6e379-adc6-4612-ba10-824bb053a7d8","year":2021},"citing_paper":{"arxiv_id":"2603.22864","last_updated":"2026-05-15T06:16:14Z","snapshot_observed_at":"2026-07-31T18:27:33.521139Z","submitted_at":"2026-03-24T07:05:47Z","title":"A search for heavy axion-like particles in light-by-light scattering at the FCC-hh","version":2},"reference_index":91,"source":"pdf_text","source_observed_at":"2026-05-19T18:06:07.732255Z"},"links":{"cited_paper":"/paper/2103.05218","citing_paper":"/paper/2603.22864"},"observation_digest":"sha256:2f65c9ededbe9040a52d2efb5a3192e9a5c994e8b0a13915646a65e38422e311","observation_id":"431fa337-d28d-414c-b3e3-be716514dade","resolution":{"observed_at":"2026-05-19T18:07:42.802588Z","resolver_source":"arxiv_id","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/2103.05218/citation-record","integrity":"/paper/2103.05218/integrity","json":"/paper/2103.05218/citation-record.json","paper":"/paper/2103.05218"},"outbound":[],"paper":{"arxiv_id":"2103.05218","last_updated":"2021-10-16T06:45:28Z","latest_version":3,"primary_category":"hep-ph","snapshot_observed_at":"2026-08-11T08:53:38.267586Z","submitted_at":"2021-03-09T04:38:45Z","title":"Searching for axion-like particles at future electron-positron colliders"},"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 11 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2103.05218."}