{"as_of":"2026-08-16T13:21:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:516f7e4ea48dd8281cf4c016ce6b59a3b6d7fd2f747e4bac34adcac079452a59","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":"2026-08-16T06:30:59.297886+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":"2026-08-15T20:48:21.353160Z","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":"2026-08-07T01:10:52.736354Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2110.09659","last_updated":"2021-10-18T23:54:06Z","snapshot_observed_at":"2026-08-13T17:50:20.178113Z","submitted_at":"2021-10-18T23:54:06Z","title":"Second obstruction to pseudoisotopy I","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2110.09659","snapshot_observed_at":"2026-08-15T20:48:21.353160Z","title":"url: https://arxiv.org/abs/2110.09659 (p","venue":null,"work_id":null,"year":1963},"citing_paper":{"arxiv_id":"2505.12088","last_updated":"2026-06-30T22:21:38Z","snapshot_observed_at":"2026-08-15T20:39:05.720709Z","submitted_at":"2025-05-17T17:08:42Z","title":"Pseudo-Isotopy and Diffeomorphisms of the 4-Sphere I: Loops of Spheres","version":2},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-15T20:48:21.353160Z"},"links":{"cited_paper":"/paper/2110.09659","citing_paper":"/paper/2505.12088"},"observation_digest":"sha256:9332da485517a636c1e1313f64382cd3419b93c1bb52b1c076b80dee9dfe181d","observation_id":"d687fa24-8cec-48bf-8be7-3b54c161c98c","resolution":{"observed_at":"2026-08-15T20:48:21.353160Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2110.09659","last_updated":"2021-10-18T23:54:06Z","snapshot_observed_at":"2026-08-13T17:50:20.178113Z","submitted_at":"2021-10-18T23:54:06Z","title":"Second obstruction to pseudoisotopy I","version":1},"cited_work":{"arxiv_id":"2110.09659","doi":null,"metadata_source":"pith","pith_arxiv_id":"2110.09659","snapshot_observed_at":"2026-08-07T01:10:52.736354Z","title":"Second obstruction to pseudoisotopy I","venue":"math.GT","work_id":"7b78a5da-9f8e-4654-ac5b-cf4c9f173e3f","year":2021},"citing_paper":{"arxiv_id":"2506.11905","last_updated":"2025-06-13T15:53:57Z","snapshot_observed_at":"2026-08-11T03:28:18.613088Z","submitted_at":"2025-06-13T15:53:57Z","title":"Pseudo-isotopy versus isotopy for homeomorphisms of 4-manifolds","version":1},"reference_index":2021,"source":"pdf_text","source_observed_at":"2026-08-07T01:10:52.186531Z"},"links":{"cited_paper":"/paper/2110.09659","citing_paper":"/paper/2506.11905"},"observation_digest":"sha256:00b519bd07996ec919334ef8178e4800f588e4d1a383b506d1c272c111d8e1aa","observation_id":"7dde75ce-96e4-4752-886c-549165804d60","resolution":{"observed_at":"2026-08-07T01:10:52.778310Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2110.09659/citation-record","integrity":"/paper/2110.09659/integrity","json":"/paper/2110.09659/citation-record.json","paper":"/paper/2110.09659"},"outbound":[],"paper":{"arxiv_id":"2110.09659","last_updated":"2021-10-18T23:54:06Z","latest_version":1,"primary_category":"math.GT","snapshot_observed_at":"2026-08-13T17:50:20.178113Z","submitted_at":"2021-10-18T23:54:06Z","title":"Second obstruction to pseudoisotopy I"},"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":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"thesis":"As of 16 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2110.09659."}