{"as_of":"2026-08-16T15:33:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:d577b6e06d099443baab0f95f12e132f52b872c9056d5f4ee237834af2013384","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":"2026-08-16T06:30:59.297886+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":"2026-08-14T14:45:12.914210Z","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":"2026-08-14T14:45:12.972948Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1903.09723","last_updated":"2021-04-20T15:10:17Z","snapshot_observed_at":"2026-08-14T16:57:59.299512Z","submitted_at":"2019-03-22T22:21:49Z","title":"On extensions of partial isometries","version":3},"cited_work":{"arxiv_id":"1903.09723","doi":null,"metadata_source":"pith","pith_arxiv_id":"1903.09723","snapshot_observed_at":"2026-08-14T14:45:12.972948Z","title":"On extensions of partial isometries","venue":"math.LO","work_id":"19f1b1fc-7017-4c07-9b34-4e2e9bb86a8b","year":2019},"citing_paper":{"arxiv_id":"1908.02965","last_updated":"2020-05-01T21:11:54Z","snapshot_observed_at":"2026-08-16T10:56:00.651833Z","submitted_at":"2019-08-08T08:13:28Z","title":"On Extensions of Partial Isomorphisms","version":2},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-14T14:45:12.914210Z"},"links":{"cited_paper":"/paper/1903.09723","citing_paper":"/paper/1908.02965"},"observation_digest":"sha256:c56f0264c83d87c239108d9358189191c7f3ce9ed51d62d02518c4a0b7a9b68e","observation_id":"559b2062-4051-4a87-9514-85ce1fca550b","resolution":{"observed_at":"2026-08-14T14:45:12.978417Z","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/1903.09723/citation-record","integrity":"/paper/1903.09723/integrity","json":"/paper/1903.09723/citation-record.json","paper":"/paper/1903.09723"},"outbound":[],"paper":{"arxiv_id":"1903.09723","last_updated":"2021-04-20T15:10:17Z","latest_version":3,"primary_category":"math.LO","snapshot_observed_at":"2026-08-14T16:57:59.299512Z","submitted_at":"2019-03-22T22:21:49Z","title":"On extensions of partial isometries"},"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 1 inbound Pith citation observation for arXiv:1903.09723."}