{"as_of":"2026-08-06T16:24:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:2a8e413712b1342a68ed975cfd7e4118b402b5ecd2b85b2572ba61805860691e","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":1,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":1,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-06T06:34:29.942622+00:00","state":"measured"},{"denominator":1,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":1,"source":"paper_references, paper_reference_links","source_observed_at":"2026-07-11T11:50:26.030339Z","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":"2026-07-01T00:05:08.847539Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1901.09994","last_updated":"2019-02-01T17:14:18Z","snapshot_observed_at":"2026-07-06T07:29:36.010838Z","submitted_at":"2019-01-28T20:46:49Z","title":"Probing nucleon's spin structures with polarized Drell-Yan in the Fermilab SpinQuest experiment","version":2},"cited_work":{"arxiv_id":"1901.09994","doi":null,"metadata_source":"pith","pith_arxiv_id":"1901.09994","snapshot_observed_at":"2026-07-01T00:05:08.847539Z","title":"Probing nucleon's spin structures with polarized Drell-Yan in the Fermilab SpinQuest experiment","venue":"nucl-ex","work_id":"063f245e-17f4-404d-8a04-9dc18ae5899e","year":2019},"citing_paper":{"arxiv_id":"2605.02890","last_updated":"2026-05-25T15:05:28Z","snapshot_observed_at":"2026-08-05T22:02:16.190061Z","submitted_at":"2026-05-04T17:57:27Z","title":"Collins asymmetries for pion-in-jet production in polarized $\\ell p$ collisions at the EIC","version":3},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-07-11T11:50:26.030339Z"},"links":{"cited_paper":"/paper/1901.09994","citing_paper":"/paper/2605.02890"},"observation_digest":"sha256:a3e203d24fbe439f17982062fda5b04317b7b0dd51d7a4349a18a3361d367960","observation_id":"9ad36c4a-6116-47b4-8e72-33e0d6929fdf","resolution":{"observed_at":"2026-07-01T00:05:08.849188Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-06T06:34:29.942622+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-06T06:34:29.942622+00:00","source":"crossref"},{"observed_at":"2026-08-06T06:34:23.284952+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1901.09994/citation-record","integrity":"/paper/1901.09994/integrity","json":"/paper/1901.09994/citation-record.json","paper":"/paper/1901.09994"},"outbound":[],"paper":{"arxiv_id":"1901.09994","last_updated":"2019-02-01T17:14:18Z","latest_version":2,"primary_category":"nucl-ex","snapshot_observed_at":"2026-07-06T07:29:36.010838Z","submitted_at":"2019-01-28T20:46:49Z","title":"Probing nucleon's spin structures with polarized Drell-Yan in the Fermilab SpinQuest experiment"},"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":"2026-08-06T06:34:29.942622+00:00","source":"crossref"},{"observed_at":"2026-08-06T06:34:23.284952+00:00","source":"retraction_watch"}],"thesis":"As of 6 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1901.09994."}