{"as_of":"2026-08-09T01:35:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:5b3706d5b6c1b74db8745ab5af513268d64beab1a4750bc91be462f11a5a92bb","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":"2026-08-08T06:32:00.761636+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":"2026-08-08T12:07:00.732016Z","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":"2026-08-08T12:07:02.709545Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2108.02150","last_updated":"2022-10-10T06:51:54Z","snapshot_observed_at":"2026-08-08T20:39:55.204208Z","submitted_at":"2021-08-04T16:30:29Z","title":"Implications of the Cosmic Birefringence Measurement for the Axion Dark Matter Search","version":2},"cited_work":{"arxiv_id":"2108.02150","doi":null,"metadata_source":"pith","pith_arxiv_id":"2108.02150","snapshot_observed_at":"2026-08-08T12:07:02.709545Z","title":"Implications of the Cosmic Birefringence Measurement for the Axion Dark Matter Search","venue":"astro-ph.CO","work_id":"c325a70c-a531-40c9-b604-0ac01cacf811","year":2021},"citing_paper":{"arxiv_id":"2502.07654","last_updated":"2025-02-11T15:43:29Z","snapshot_observed_at":"2026-08-08T20:39:53.330026Z","submitted_at":"2025-02-11T15:43:29Z","title":"Planck PR4 (NPIPE) map-space cosmic birefringence","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-08T12:07:00.732016Z"},"links":{"cited_paper":"/paper/2108.02150","citing_paper":"/paper/2502.07654"},"observation_digest":"sha256:8f7ac2da27c48762902dd744aa6e260ff20bf57b9db52c2abeab93f1ec77e021","observation_id":"b63c1f4b-2e6c-4c85-9ba4-0fc29c21fee1","resolution":{"observed_at":"2026-08-08T12:07:02.715174Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2108.02150/citation-record","integrity":"/paper/2108.02150/integrity","json":"/paper/2108.02150/citation-record.json","paper":"/paper/2108.02150"},"outbound":[],"paper":{"arxiv_id":"2108.02150","last_updated":"2022-10-10T06:51:54Z","latest_version":2,"primary_category":"astro-ph.CO","snapshot_observed_at":"2026-08-08T20:39:55.204208Z","submitted_at":"2021-08-04T16:30:29Z","title":"Implications of the Cosmic Birefringence Measurement for the Axion Dark Matter Search"},"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":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+00:00","source":"retraction_watch"}],"thesis":"As of 9 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:2108.02150."}