{"as_of":"2026-08-10T14:15:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:85d7aa3742d0cb2f759ceefb4e3f71913c63d873255f2d61205e613120ed2935","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":"2026-08-10T06:31:04.303077+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":"2026-08-09T05:17:31.957485Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"arxiv_reference","source_observed_at":"2026-05-11T14:36:09.580636Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2008.12966","last_updated":"2021-06-04T06:28:00Z","snapshot_observed_at":"2026-08-10T10:45:11.525496Z","submitted_at":"2020-08-29T11:50:43Z","title":"On exactly solvable higher-derivative systems","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2008.12966","snapshot_observed_at":"2026-08-09T05:17:31.957485Z","title":"On exactly solvable ghost-ridden systems,","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2502.03311","last_updated":"2025-08-25T09:02:44Z","snapshot_observed_at":"2026-08-09T10:58:46.487854Z","submitted_at":"2025-02-05T16:09:06Z","title":"Degenerate higher-order Maxwell-Einstein theories","version":3},"reference_index":53,"source":"pdf_text","source_observed_at":"2026-08-09T05:17:31.957485Z"},"links":{"cited_paper":"/paper/2008.12966","citing_paper":"/paper/2502.03311"},"observation_digest":"sha256:3f91dc3d5e94934cd1719bea54f9d96ae0d7969d7d9ddf978f7b4ec70d2d2467","observation_id":"f83f43fd-edc4-4f1c-8660-fc3ca09b82ef","resolution":{"observed_at":"2026-08-09T05:17:31.957485Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2008.12966","last_updated":"2021-06-04T06:28:00Z","snapshot_observed_at":"2026-08-10T10:45:11.525496Z","submitted_at":"2020-08-29T11:50:43Z","title":"On exactly solvable higher-derivative systems","version":2},"cited_work":{"arxiv_id":"2008.12966","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2008.12966","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"On exactly solvable ghost-ridden systems","venue":null,"work_id":"d2fad13d-a8c1-4b9d-9722-a0be4f9bb5f9","year":2021},"citing_paper":{"arxiv_id":"2604.21823","last_updated":"2026-04-23T16:15:51Z","snapshot_observed_at":"2026-07-06T23:08:19.446684Z","submitted_at":"2026-04-23T16:15:51Z","title":"Unitary Time Evolution and Vacuum for a Quantum Stable Ghost","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-05-09T21:21:19.326034Z"},"links":{"cited_paper":"/paper/2008.12966","citing_paper":"/paper/2604.21823"},"observation_digest":"sha256:cf5beb5fd73a62f9794e929f57348ec8832f2b67b3dd83ee9525dd440f4a051a","observation_id":"db9fcedf-d950-4a1c-8cb5-fe2c7441de42","resolution":{"observed_at":"2026-05-11T14:36:09.583906Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2008.12966/citation-record","integrity":"/paper/2008.12966/integrity","json":"/paper/2008.12966/citation-record.json","paper":"/paper/2008.12966"},"outbound":[],"paper":{"arxiv_id":"2008.12966","last_updated":"2021-06-04T06:28:00Z","latest_version":2,"primary_category":"hep-th","snapshot_observed_at":"2026-08-10T10:45:11.525496Z","submitted_at":"2020-08-29T11:50:43Z","title":"On exactly solvable higher-derivative systems"},"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":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"thesis":"As of 10 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2008.12966."}