{"as_of":"2026-08-11T21:08:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:0f6fa4a2a3c3ec892efbb2735cc50dad1bb457ce315281bde3068303db2b9323","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":"2026-08-11T06:34:44.6726+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":"2026-08-10T21:29:56.707429Z","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":"2026-08-10T21:29:58.123317Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"0906.1640","last_updated":"2010-02-21T23:06:04Z","snapshot_observed_at":"2026-08-11T17:07:42.427292Z","submitted_at":"2009-06-09T06:12:03Z","title":"An introduction to effective low-energy Hamiltonians in condensed matter physics and chemistry","version":7},"cited_work":{"arxiv_id":"0906.1640","doi":null,"metadata_source":"pith","pith_arxiv_id":"0906.1640","snapshot_observed_at":"2026-08-10T21:29:58.123317Z","title":"An introduction to effective low-energy Hamiltonians in condensed matter physics and chemistry","venue":"physics.chem-ph","work_id":"168298ea-b059-4ebd-b123-3bd1dbdf34ba","year":2009},"citing_paper":{"arxiv_id":"2501.04681","last_updated":"2025-04-12T01:07:04Z","snapshot_observed_at":"2026-08-10T21:24:28.617915Z","submitted_at":"2025-01-08T18:41:46Z","title":"Learning by Confusion: The Phase Diagram of the Holstein Model","version":5},"reference_index":62,"source":"arxiv_source","source_observed_at":"2026-08-10T21:29:56.707429Z"},"links":{"cited_paper":"/paper/0906.1640","citing_paper":"/paper/2501.04681"},"observation_digest":"sha256:dfa21e79b84084344139b2089571baddbfb5b23c2fa3bb5bce22ea914b065516","observation_id":"cbb38b9c-f7a4-4dc7-8434-d0319beadf97","resolution":{"observed_at":"2026-08-10T21:29:58.131248Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/0906.1640/citation-record","integrity":"/paper/0906.1640/integrity","json":"/paper/0906.1640/citation-record.json","paper":"/paper/0906.1640"},"outbound":[],"paper":{"arxiv_id":"0906.1640","last_updated":"2010-02-21T23:06:04Z","latest_version":7,"primary_category":"physics.chem-ph","snapshot_observed_at":"2026-08-11T17:07:42.427292Z","submitted_at":"2009-06-09T06:12:03Z","title":"An introduction to effective low-energy Hamiltonians in condensed matter physics and chemistry"},"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":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"thesis":"As of 11 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:0906.1640."}