{"as_of":"2026-08-16T13:31:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:1a27067b388a6c12199dc9873d01076ef3bf0857a14fc4947e24fc0684bc8af2","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":"2026-08-16T00:11:56.130559Z","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":"2103.15784","last_updated":"2021-03-29T17:24:44Z","snapshot_observed_at":"2026-08-15T01:05:44.248064Z","submitted_at":"2021-03-29T17:24:44Z","title":"Functional principal component analysis of radio-optical reference frame tie","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2103.15784","snapshot_observed_at":"2026-08-16T00:11:56.130559Z","title":", keywords =","venue":null,"work_id":null,"year":null},"citing_paper":{"arxiv_id":"2608.12619","last_updated":"2026-08-12T22:01:58Z","snapshot_observed_at":"2026-08-16T12:10:34.034629Z","submitted_at":"2026-08-12T22:01:58Z","title":"Gaia parallax bias via spherical harmonics: A Python tool and discussion of possible causes","version":1},"reference_index":16,"source":"arxiv_source","source_observed_at":"2026-08-16T00:11:56.130559Z"},"links":{"cited_paper":"/paper/2103.15784","citing_paper":"/paper/2608.12619"},"observation_digest":"sha256:98705e06472cb93505d93988714ad9edb6c6534261eabd6ba977d67de80fc32d","observation_id":"951340a5-9423-44bf-af70-62fabb9721ad","resolution":{"observed_at":"2026-08-16T00:11:56.130559Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/2103.15784/citation-record","integrity":"/paper/2103.15784/integrity","json":"/paper/2103.15784/citation-record.json","paper":"/paper/2103.15784"},"outbound":[],"paper":{"arxiv_id":"2103.15784","last_updated":"2021-03-29T17:24:44Z","latest_version":1,"primary_category":"astro-ph.IM","snapshot_observed_at":"2026-08-15T01:05:44.248064Z","submitted_at":"2021-03-29T17:24:44Z","title":"Functional principal component analysis of radio-optical reference frame tie"},"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:2103.15784."}