{"as_of":"2026-08-15T08:23:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:f545735b6b5999f52e065379b1a7bd9b722e9e82ea0d8a8ee2224924802b445b","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":"2026-08-15T06:32:42.880941+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":"2026-07-31T15:39:29.744431Z","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":"1605.02685","last_updated":"2016-05-09T18:27:43Z","snapshot_observed_at":"2026-08-14T21:58:11.407104Z","submitted_at":"2016-05-09T18:27:43Z","title":"HII Region Ionization of the Interstellar Medium: A Case Study of NGC 7538","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1605.02685","snapshot_observed_at":"2026-07-31T15:39:29.744431Z","title":", keywords =","venue":null,"work_id":null,"year":null},"citing_paper":{"arxiv_id":"2607.28174","last_updated":"2026-07-30T13:10:34Z","snapshot_observed_at":"2026-08-15T05:30:25.182573Z","submitted_at":"2026-07-30T13:10:34Z","title":"Bipolar HII regions Produced by Cloud-Cloud Collisions","version":1},"reference_index":67,"source":"arxiv_source","source_observed_at":"2026-07-31T15:39:29.744431Z"},"links":{"cited_paper":"/paper/1605.02685","citing_paper":"/paper/2607.28174"},"observation_digest":"sha256:3323014a31dc047ee21819ea16f419e9402c7dac76b7d2a18a17c9958b69aa74","observation_id":"82010ac5-3db5-4f1f-b4d2-8a53f5f298a5","resolution":{"observed_at":"2026-07-31T15:39:29.744431Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/1605.02685/citation-record","integrity":"/paper/1605.02685/integrity","json":"/paper/1605.02685/citation-record.json","paper":"/paper/1605.02685"},"outbound":[],"paper":{"arxiv_id":"1605.02685","last_updated":"2016-05-09T18:27:43Z","latest_version":1,"primary_category":"astro-ph.GA","snapshot_observed_at":"2026-08-14T21:58:11.407104Z","submitted_at":"2016-05-09T18:27:43Z","title":"HII Region Ionization of the Interstellar Medium: A Case Study of NGC 7538"},"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":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"thesis":"As of 15 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1605.02685."}