{"as_of":"2026-08-11T11:38:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:905bd438377a1674618c4c63e67bc0fe1e69bfd1ca058a6e575c1a7b04781d7f","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":"2026-08-11T06:34:44.6726+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":"2026-08-10T22:22:29.638025Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1904.04550","last_updated":"2019-04-09T09:08:07Z","snapshot_observed_at":"2026-07-06T07:44:54.113537Z","submitted_at":"2019-04-09T09:08:07Z","title":"Can we quickly flag Ultra-long Gamma-Ray Bursts?","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1904.04550","snapshot_observed_at":"2026-08-10T22:22:29.638025Z","title":"Can we quickly flag ultra-long gamma-ray bursts? Monthly Notices of the Royal Astronomical Society 2019, 486, 2471–2476, [arXiv:astro-ph.HE/1904.04550]","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2501.01857","last_updated":"2025-01-03T15:14:46Z","snapshot_observed_at":"2026-08-11T00:03:09.078776Z","submitted_at":"2025-01-03T15:14:46Z","title":"A review of long lasting activities of the central engine of gamma-ray bursts","version":1},"reference_index":49,"source":"pdf_text","source_observed_at":"2026-08-10T22:22:29.638025Z"},"links":{"cited_paper":"/paper/1904.04550","citing_paper":"/paper/2501.01857"},"observation_digest":"sha256:4a692a7ee92b14146d4b3bc7f8ab0e46603a7d3599f0929a830e68e90da54032","observation_id":"ad9d8202-fab7-4627-bc3d-0b2b6c0d067d","resolution":{"observed_at":"2026-08-10T22:22:29.638025Z","resolver_source":null,"status":"malformed_identifier"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/1904.04550/citation-record","integrity":"/paper/1904.04550/integrity","json":"/paper/1904.04550/citation-record.json","paper":"/paper/1904.04550"},"outbound":[],"paper":{"arxiv_id":"1904.04550","last_updated":"2019-04-09T09:08:07Z","latest_version":1,"primary_category":"astro-ph.HE","snapshot_observed_at":"2026-07-06T07:44:54.113537Z","submitted_at":"2019-04-09T09:08:07Z","title":"Can we quickly flag Ultra-long Gamma-Ray Bursts?"},"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 1 inbound Pith citation observation for arXiv:1904.04550."}