{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:GF2TBE423AD3I73BJYDW2YB6HP","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":"5856871c29f202a4d64d3ae329d0b6f7fe98397507046bdfec1317d30d8ef13f","cross_cats_sorted":["hep-ex","nucl-ex"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"hep-ph","submitted_at":"2009-10-01T16:17:13Z","title_canon_sha256":"ec34727fd724a94ec540b067cc3eff395565e66e81ad5a319c784b4a8df2ee49"},"schema_version":"1.0","source":{"id":"0910.0210","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.0210","created_at":"2026-05-18T03:56:45Z"},{"alias_kind":"arxiv_version","alias_value":"0910.0210v1","created_at":"2026-05-18T03:56:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.0210","created_at":"2026-05-18T03:56:45Z"},{"alias_kind":"pith_short_12","alias_value":"GF2TBE423AD3","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"GF2TBE423AD3I73B","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"GF2TBE42","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:b0dc2a1604f07ef339fbabc5ffdb04573fbd1fb73169c68a425c4bf36442f6dc","target":"graph","created_at":"2026-05-18T03:56:45Z","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"},"paper":{"abstract_excerpt":"We re-evaluate the electromagnetic corrections to eta --> 3 pi decays at next-to-leading order in the chiral expansion, arguing that effects of order e^2(m_d-m_u) disregarded so far are not negligible compared to other contributions of order e^2 times a light quark mass. Despite the appearance of the Coulomb pole in eta --> pi+ pi- pi0 and cusps in eta --> 3 pi0, the overall corrections remain small.","authors_text":"Bastian Kubis, Christoph Ditsche, Ulf-G. Mei{\\ss}ner","cross_cats":["hep-ex","nucl-ex"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"hep-ph","submitted_at":"2009-10-01T16:17:13Z","title":"Electromagnetic effects in eta --> 3 pi"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.0210","kind":"arxiv","version":1},"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":"sha256:80d1c2639c11ef3ae9aae3d0834bb57511814784ca86dd03661c5b57ec79d9bc","target":"record","created_at":"2026-05-18T03:56:45Z","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":"5856871c29f202a4d64d3ae329d0b6f7fe98397507046bdfec1317d30d8ef13f","cross_cats_sorted":["hep-ex","nucl-ex"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"hep-ph","submitted_at":"2009-10-01T16:17:13Z","title_canon_sha256":"ec34727fd724a94ec540b067cc3eff395565e66e81ad5a319c784b4a8df2ee49"},"schema_version":"1.0","source":{"id":"0910.0210","kind":"arxiv","version":1}},"canonical_sha256":"317530939ad807b47f614e076d603e3bf9509c2e443f78026ed4d09b36a2b7d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"317530939ad807b47f614e076d603e3bf9509c2e443f78026ed4d09b36a2b7d2","first_computed_at":"2026-05-18T03:56:45.371028Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:56:45.371028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IrrX+Uh9tGei/CJ4aQry3vI8wLQQZFT2H1KVt5wHmJ6vqRfPVf6wQutp094GrQzUYWPnhZZAmcWb1gsLe2OaDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:56:45.371894Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.0210","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:80d1c2639c11ef3ae9aae3d0834bb57511814784ca86dd03661c5b57ec79d9bc","sha256:b0dc2a1604f07ef339fbabc5ffdb04573fbd1fb73169c68a425c4bf36442f6dc"],"state_sha256":"05f31910a8c7ef11b73e9d0f334ce17c5d0bdee1c6b4074e5cba99df18e21599"}