{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:YCFX7CT4LJT2GWJ6WDBEMZXNY5","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"1ec88540df8f857fe38fb624405c1eed480e2b167e685ae1bd01b2de159cd8fe","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"2002-01-31T21:36:08Z","title_canon_sha256":"6417cb77da5eb3f2ca74f9f22e3893f9955e3927325ef7477a5d5b4d540cf9e1"},"schema_version":"1.0","source":{"id":"hep-lat/0202001","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/0202001","created_at":"2026-07-04T15:18:15Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/0202001v2","created_at":"2026-07-04T15:18:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/0202001","created_at":"2026-07-04T15:18:15Z"},{"alias_kind":"pith_short_12","alias_value":"YCFX7CT4LJT2","created_at":"2026-07-04T15:18:15Z"},{"alias_kind":"pith_short_16","alias_value":"YCFX7CT4LJT2GWJ6","created_at":"2026-07-04T15:18:15Z"},{"alias_kind":"pith_short_8","alias_value":"YCFX7CT4","created_at":"2026-07-04T15:18:15Z"}],"graph_snapshots":[{"event_id":"sha256:5d6539827f737fd8ee625771cd75971caf43098b9a7db2cca383c543687567da","target":"graph","created_at":"2026-07-04T15:18:15Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/hep-lat/0202001/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The quarks in quenched QCD have an anomalous self-interaction in the flavor singlet Goldstone boson channel. This coupling is extracted from a graph with disconnected quark lines, and is used to infer the mass of the eta-prime meson in full QCD. When the fermions are described by an overlap action, the Witten-Veneziano relation is an exact relation between the topological susceptibility (as defined through fermionic zero modes) and the inferred value of the eta-prime mass. Using an overlap action we compute the hairpin amplitude and determine the fermion zero-mode susceptibility, the inferred ","authors_text":"Thomas DeGrand, Urs M. Heller (MILC collaboration)","cross_cats":[],"headline":"","license":"","primary_cat":"hep-lat","submitted_at":"2002-01-31T21:36:08Z","title":"Witten-Veneziano Relation, Quenched QCD, and Overlap Fermions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/0202001","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:70de26b37fafc452587eab3a2f7c7bdf651dc10e90ecdb783b9307e56170a6ee","target":"record","created_at":"2026-07-04T15:18:15Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"1ec88540df8f857fe38fb624405c1eed480e2b167e685ae1bd01b2de159cd8fe","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"2002-01-31T21:36:08Z","title_canon_sha256":"6417cb77da5eb3f2ca74f9f22e3893f9955e3927325ef7477a5d5b4d540cf9e1"},"schema_version":"1.0","source":{"id":"hep-lat/0202001","kind":"arxiv","version":2}},"canonical_sha256":"c08b7f8a7c5a67a3593eb0c24666edc773b2d102146f2db4883b86c51e3c51ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c08b7f8a7c5a67a3593eb0c24666edc773b2d102146f2db4883b86c51e3c51ff","first_computed_at":"2026-07-04T15:18:15.506914Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:18:15.506914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Xqg21GxvSQvPFIZlJc5x+LiFpd64lrEAwZ7il2RA3bu61QoUEQs470mVVI4sY+uM8GD6bEWAjQshbtxjEF1fBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:18:15.507292Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-lat/0202001","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:70de26b37fafc452587eab3a2f7c7bdf651dc10e90ecdb783b9307e56170a6ee","sha256:5d6539827f737fd8ee625771cd75971caf43098b9a7db2cca383c543687567da"],"state_sha256":"9613559a051f52453189a8ac8f3c86b7dc6b0b9fd821bfca0d4f911470f38dba"}