{"as_of":"2026-08-07T19:09:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:3b2ec2ec34658fbde871b99dab5dd1cada139bfa86a6e39ad72c94783c133cc1","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":"2026-08-07T06:34:17.273281+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":"2026-08-06T12:24:49.843306Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1208.4847","last_updated":"2012-08-23T20:00:03Z","snapshot_observed_at":"2026-07-06T02:54:16.980876Z","submitted_at":"2012-08-23T20:00:03Z","title":"Structure of Infrared Singularities of Gauge-Theory Amplitudes at Three and Four Loops","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1208.4847","snapshot_observed_at":"2026-08-06T12:24:49.843306Z","title":"Ahrens, M","venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"2507.21854","last_updated":"2025-07-29T14:27:46Z","snapshot_observed_at":"2026-08-07T08:19:12.453154Z","submitted_at":"2025-07-29T14:27:46Z","title":"Infrared singularities and the collinear limits of multi-leg scattering amplitudes","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-06T12:24:49.843306Z"},"links":{"cited_paper":"/paper/1208.4847","citing_paper":"/paper/2507.21854"},"observation_digest":"sha256:aa0a469a383a16794b3ba70a8ab1f2667eaaffdcedbbcb26ee912f6e1e6f3ad0","observation_id":"cfa37d76-3153-4814-8c2f-9ee0fe12d847","resolution":{"observed_at":"2026-08-06T12:24:49.843306Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/1208.4847/citation-record","integrity":"/paper/1208.4847/integrity","json":"/paper/1208.4847/citation-record.json","paper":"/paper/1208.4847"},"outbound":[],"paper":{"arxiv_id":"1208.4847","last_updated":"2012-08-23T20:00:03Z","latest_version":1,"primary_category":"hep-ph","snapshot_observed_at":"2026-07-06T02:54:16.980876Z","submitted_at":"2012-08-23T20:00:03Z","title":"Structure of Infrared Singularities of Gauge-Theory Amplitudes at Three and Four Loops"},"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":"2026-08-07T06:34:17.273281+00:00","source":"crossref"},{"observed_at":"2026-08-07T06:34:11.927384+00:00","source":"retraction_watch"}],"thesis":"As of 7 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1208.4847."}