{"as_of":"2026-08-13T21:13:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:2601fc6ace5c1c12353e504e7e81d4b224991368684c8fa1585ee7ffd23c31a3","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":"2026-08-13T06:32:02.005865+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":"2026-08-12T19:55:10.959225Z","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":"2026-08-11T14:29:13.317380Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2110.09487","last_updated":"2021-10-18T17:34:51Z","snapshot_observed_at":"2026-07-06T11:59:11.865133Z","submitted_at":"2021-10-18T17:34:51Z","title":"AugerPrime -- The upgrade of the Pierre Auger Observatory","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2110.09487","snapshot_observed_at":"2026-08-12T19:55:10.959225Z","title":"Stasielak (Pierre Auger), in 9th International Conference on New Frontiers in Physics (2021) arXiv:2110.09487 [astro-ph.HE]","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2411.10223","last_updated":"2024-11-15T14:36:46Z","snapshot_observed_at":"2026-08-12T19:47:25.514738Z","submitted_at":"2024-11-15T14:36:46Z","title":"Ultra High Energy Cosmic Rays versus Models of High Energy Hadronic Interactions","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-12T19:55:10.959225Z"},"links":{"cited_paper":"/paper/2110.09487","citing_paper":"/paper/2411.10223"},"observation_digest":"sha256:1a73a56ffdd9a73017dd5a90f0b0a43ec9e50060b202a80df0b042cd4a603f91","observation_id":"5f731559-4d7c-4c77-b68d-380f2d9af25f","resolution":{"observed_at":"2026-08-12T19:55:10.959225Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2110.09487","last_updated":"2021-10-18T17:34:51Z","snapshot_observed_at":"2026-07-06T11:59:11.865133Z","submitted_at":"2021-10-18T17:34:51Z","title":"AugerPrime -- The upgrade of the Pierre Auger Observatory","version":1},"cited_work":{"arxiv_id":"2110.09487","doi":null,"metadata_source":"pith","pith_arxiv_id":"2110.09487","snapshot_observed_at":"2026-08-11T14:29:13.317380Z","title":"AugerPrime -- The upgrade of the Pierre Auger Observatory","venue":"astro-ph.HE","work_id":"5429156a-b955-47c5-ad54-88c502778837","year":2021},"citing_paper":{"arxiv_id":"2412.11966","last_updated":"2024-12-16T16:45:51Z","snapshot_observed_at":"2026-08-13T06:36:48.524464Z","submitted_at":"2024-12-16T16:45:51Z","title":"Evidence for the Sombrero Galaxy as an Accelerator of the Highest-Energy Cosmic Rays","version":1},"reference_index":48,"source":"pdf_text","source_observed_at":"2026-08-11T14:29:13.171385Z"},"links":{"cited_paper":"/paper/2110.09487","citing_paper":"/paper/2412.11966"},"observation_digest":"sha256:22f8dcfc0b5f6ca0f0fc72db32879da4eb54b4f84254d19942de9c3257a6e109","observation_id":"017f072e-1ed1-48a0-82b4-6a5fe6c5aedc","resolution":{"observed_at":"2026-08-11T14:29:13.326617Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-13T06:32:02.005865+00:00","source":"crossref"},{"observed_at":"2026-08-13T06:31:53.387327+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2110.09487/citation-record","integrity":"/paper/2110.09487/integrity","json":"/paper/2110.09487/citation-record.json","paper":"/paper/2110.09487"},"outbound":[],"paper":{"arxiv_id":"2110.09487","last_updated":"2021-10-18T17:34:51Z","latest_version":1,"primary_category":"astro-ph.HE","snapshot_observed_at":"2026-07-06T11:59:11.865133Z","submitted_at":"2021-10-18T17:34:51Z","title":"AugerPrime -- The upgrade of the Pierre Auger Observatory"},"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":"2026-08-13T06:32:02.005865+00:00","source":"crossref"},{"observed_at":"2026-08-13T06:31:53.387327+00:00","source":"retraction_watch"}],"thesis":"As of 13 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2110.09487."}