{"as_of":"2026-08-23T05:18:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:5a8585b130a90c7e010382a29af63c9ebee52aca12fa1d7a95db68677dd97008","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":"2026-08-22T06:32:14.747728+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":"2026-08-09T23:53:56.041547Z","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":"2026-08-09T23:53:56.164920Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2403.18657","last_updated":"2025-01-07T12:27:16Z","snapshot_observed_at":"2026-08-16T14:05:50.783316Z","submitted_at":"2024-03-27T15:03:21Z","title":"Unidirectional Ray Polaritons in Twisted Asymmetric Stacks","version":3},"cited_work":{"arxiv_id":"2403.18657","doi":null,"metadata_source":"pith","pith_arxiv_id":"2403.18657","snapshot_observed_at":"2026-08-09T23:53:56.164920Z","title":"Unidirectional Ray Polaritons in Twisted Asymmetric Stacks","venue":"physics.optics","work_id":"15b1806b-33a6-49c9-8e83-ddf4272ad22d","year":2024},"citing_paper":{"arxiv_id":"2501.18354","last_updated":"2025-01-30T14:02:09Z","snapshot_observed_at":"2026-08-18T16:44:52.521296Z","submitted_at":"2025-01-30T14:02:09Z","title":"Optical Footprint of Ghost and Leaky Hyperbolic Polaritons","version":1},"reference_index":65,"source":"pdf_text","source_observed_at":"2026-08-09T23:53:56.041547Z"},"links":{"cited_paper":"/paper/2403.18657","citing_paper":"/paper/2501.18354"},"observation_digest":"sha256:888d27f10808f8b97643f63625f2d934912bfe7951a6b0703f142fe920592a75","observation_id":"261fed61-7ac5-4db8-ae0c-ad70c41fb5b8","resolution":{"observed_at":"2026-08-09T23:53:56.170208Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2403.18657/citation-record","integrity":"/paper/2403.18657/integrity","json":"/paper/2403.18657/citation-record.json","paper":"/paper/2403.18657"},"outbound":[],"paper":{"arxiv_id":"2403.18657","last_updated":"2025-01-07T12:27:16Z","latest_version":3,"primary_category":"physics.optics","snapshot_observed_at":"2026-08-16T14:05:50.783316Z","submitted_at":"2024-03-27T15:03:21Z","title":"Unidirectional Ray Polaritons in Twisted Asymmetric Stacks"},"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":"2026-08-22T06:32:14.747728+00:00","source":"crossref"},{"observed_at":"2026-08-22T06:32:06.552537+00:00","source":"retraction_watch"}],"thesis":"As of 23 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:2403.18657."}