{"as_of":"2026-08-06T03:45:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:30214726361d27f5561f07baa0760375d33697b7c5d3fb9a09058886df247546","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":"2026-08-05T06:32:48.257954+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":"2026-05-24T14:40:30.375445Z","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":"2026-05-24T14:44:37.003746Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1909.10326","last_updated":"2019-09-23T12:31:04Z","snapshot_observed_at":"2026-07-06T08:23:50.650739Z","submitted_at":"2019-09-23T12:31:04Z","title":"Hyperbolic Metamaterials: From Dispersion Manipulation to Application","version":1},"cited_work":{"arxiv_id":"1909.10326","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1909.10326","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"93dd1e35-99b7-45c6-919f-52412b7799f4","year":1909},"citing_paper":{"arxiv_id":"2002.03928","last_updated":"2020-02-10T16:35:48Z","snapshot_observed_at":"2026-07-06T08:56:13.036996Z","submitted_at":"2020-02-10T16:35:48Z","title":"Active Perovskite Hyperbolic Metasurface","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-05-24T14:40:30.375445Z"},"links":{"cited_paper":"/paper/1909.10326","citing_paper":"/paper/2002.03928"},"observation_digest":"sha256:000f982539f040ee558aa4b49e6a7d2f144d9d425ddc516568b4c2271e184a4b","observation_id":"26e64868-618e-483a-a316-164b7a254c71","resolution":{"observed_at":"2026-05-24T14:44:37.006591Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-05T06:32:48.257954+00:00","source":"crossref"},{"observed_at":"2026-08-05T06:32:44.755628+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1909.10326/citation-record","integrity":"/paper/1909.10326/integrity","json":"/paper/1909.10326/citation-record.json","paper":"/paper/1909.10326"},"outbound":[],"paper":{"arxiv_id":"1909.10326","last_updated":"2019-09-23T12:31:04Z","latest_version":1,"primary_category":"physics.optics","snapshot_observed_at":"2026-07-06T08:23:50.650739Z","submitted_at":"2019-09-23T12:31:04Z","title":"Hyperbolic Metamaterials: From Dispersion Manipulation to Application"},"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":"2026-08-05T06:32:48.257954+00:00","source":"crossref"},{"observed_at":"2026-08-05T06:32:44.755628+00:00","source":"retraction_watch"}],"thesis":"As of 6 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1909.10326."}