{"as_of":"2026-08-17T03:59:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:00d8426f96242115fa50e98c813d5ba0bccdbc70c9b7f10199c1f29fec6c13f7","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":"2026-08-16T06:30:59.297886+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":"2026-08-14T14:19:35.552073Z","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":"2026-08-14T14:19:35.609669Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2001.04159","last_updated":"2020-11-04T14:43:47Z","snapshot_observed_at":"2026-08-16T14:42:54.491687Z","submitted_at":"2020-01-13T11:09:03Z","title":"Spin-1/2 $XX$ chain in a transverse field with regularly alternating $g$-factors: Static and dynamic properties","version":3},"cited_work":{"arxiv_id":"2001.04159","doi":null,"metadata_source":"pith","pith_arxiv_id":"2001.04159","snapshot_observed_at":"2026-08-14T14:19:35.609669Z","title":"Spin-1/2 $XX$ chain in a transverse field with regularly alternating $g$-factors: Static and dynamic properties","venue":"cond-mat.str-el","work_id":"d2d8ae73-528c-4982-b350-a9dfc0e2dc14","year":2020},"citing_paper":{"arxiv_id":"1908.04676","last_updated":"2020-11-18T07:40:34Z","snapshot_observed_at":"2026-08-16T11:23:28.981695Z","submitted_at":"2019-08-09T21:03:27Z","title":"Spin-1/2 Ising-Heisenberg Cairo pentagonal model in the presence of an external magnetic field: Effect of Land\\'e g-factors","version":3},"reference_index":54,"source":"pdf_text","source_observed_at":"2026-08-14T14:19:35.552073Z"},"links":{"cited_paper":"/paper/2001.04159","citing_paper":"/paper/1908.04676"},"observation_digest":"sha256:05b50203573bb20d960607ede6bb3ac2ca3dbc89390c85a019dfddd3b35e607e","observation_id":"ebecc090-3dbb-4a54-b150-f2fd10ddd320","resolution":{"observed_at":"2026-08-14T14:19:35.617488Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2001.04159/citation-record","integrity":"/paper/2001.04159/integrity","json":"/paper/2001.04159/citation-record.json","paper":"/paper/2001.04159"},"outbound":[],"paper":{"arxiv_id":"2001.04159","last_updated":"2020-11-04T14:43:47Z","latest_version":3,"primary_category":"cond-mat.str-el","snapshot_observed_at":"2026-08-16T14:42:54.491687Z","submitted_at":"2020-01-13T11:09:03Z","title":"Spin-1/2 $XX$ chain in a transverse field with regularly alternating $g$-factors: Static and dynamic properties"},"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":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"thesis":"As of 17 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:2001.04159."}