{"as_of":"2026-08-19T10:29:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:f230f1763d59ea0fe25970c772a4d0b7df188ce2c16a86592984e1bfa55ec532","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":"2026-08-19T06:32:44.657259+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":"2026-08-14T12:44:21.546015Z","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":"2026-08-14T05:22:51.890703Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1904.06902","last_updated":"2019-04-15T08:14:26Z","snapshot_observed_at":"2026-08-14T16:46:38.265590Z","submitted_at":"2019-04-15T08:14:26Z","title":"STM Study of Quantum Hall Isospin Ferromagnetic States of Zero Landau Level in Graphene Monolayer","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1904.06902","snapshot_observed_at":"2026-08-14T12:44:21.546015Z","title":null,"venue":null,"work_id":null,"year":1904},"citing_paper":{"arxiv_id":"1908.06582","last_updated":"2019-08-19T03:55:00Z","snapshot_observed_at":"2026-08-15T14:29:13.103867Z","submitted_at":"2019-08-19T03:55:00Z","title":"Scanning tunneling microscope characterizations of a circular graphene resonator realized with p-p junctions","version":1},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-14T12:44:21.546015Z"},"links":{"cited_paper":"/paper/1904.06902","citing_paper":"/paper/1908.06582"},"observation_digest":"sha256:8946d7a588799d26b1c9254c7ac8dc03c80594c02d6eb828bc1f917ab7eab19e","observation_id":"450c5521-72f0-4691-97ae-8ca52518477a","resolution":{"observed_at":"2026-08-14T12:44:21.546015Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1904.06902","last_updated":"2019-04-15T08:14:26Z","snapshot_observed_at":"2026-08-14T16:46:38.265590Z","submitted_at":"2019-04-15T08:14:26Z","title":"STM Study of Quantum Hall Isospin Ferromagnetic States of Zero Landau Level in Graphene Monolayer","version":1},"cited_work":{"arxiv_id":"1904.06902","doi":null,"metadata_source":"pith","pith_arxiv_id":"1904.06902","snapshot_observed_at":"2026-08-14T05:22:51.890703Z","title":"STM Study of Quantum Hall Isospin Ferromagnetic States of Zero Landau Level in Graphene Monolayer","venue":"cond-mat.mes-hall","work_id":"095515da-9366-4816-b5b6-3719bfe07cb8","year":2019},"citing_paper":{"arxiv_id":"1909.01501","last_updated":"2019-10-15T02:47:05Z","snapshot_observed_at":"2026-08-14T05:13:31.780890Z","submitted_at":"2019-09-04T00:11:11Z","title":"Valley and Zeeman Splittings in Multilayer Epitaxial Graphene Revealed by Circular Polarization Resolved Magneto-infrared Spectroscopy","version":2},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-14T05:22:51.714290Z"},"links":{"cited_paper":"/paper/1904.06902","citing_paper":"/paper/1909.01501"},"observation_digest":"sha256:6038a202a8d6f3eb3bf4d82bcc330f1c6bc9d4d93f69139e2d680e05e5aa29ad","observation_id":"7549d718-4305-4fef-b456-1a9267922713","resolution":{"observed_at":"2026-08-14T05:22:51.896762Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1904.06902/citation-record","integrity":"/paper/1904.06902/integrity","json":"/paper/1904.06902/citation-record.json","paper":"/paper/1904.06902"},"outbound":[],"paper":{"arxiv_id":"1904.06902","last_updated":"2019-04-15T08:14:26Z","latest_version":1,"primary_category":"cond-mat.mes-hall","snapshot_observed_at":"2026-08-14T16:46:38.265590Z","submitted_at":"2019-04-15T08:14:26Z","title":"STM Study of Quantum Hall Isospin Ferromagnetic States of Zero Landau Level in Graphene Monolayer"},"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":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+00:00","source":"retraction_watch"}],"thesis":"As of 19 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:1904.06902."}