{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:5EM7AVURYVMJGQBPDVHPV4EYO6","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":"bd07565961c33fca6f284b71a78a727cadca1a9afb1953c915897e07b7497b14","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2003-12-23T11:47:50Z","title_canon_sha256":"b6bb1038f23faa7ad375ef56bf7ac2dfac0c56ff76d225e776393ca238ecb423"},"schema_version":"1.0","source":{"id":"hep-ph/0312331","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0312331","created_at":"2026-07-04T16:41:01Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0312331v1","created_at":"2026-07-04T16:41:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0312331","created_at":"2026-07-04T16:41:01Z"},{"alias_kind":"pith_short_12","alias_value":"5EM7AVURYVMJ","created_at":"2026-07-04T16:41:01Z"},{"alias_kind":"pith_short_16","alias_value":"5EM7AVURYVMJGQBP","created_at":"2026-07-04T16:41:01Z"},{"alias_kind":"pith_short_8","alias_value":"5EM7AVUR","created_at":"2026-07-04T16:41:01Z"}],"graph_snapshots":[{"event_id":"sha256:a7a0ffedeff308fc1c3096e11d1c78f62a7feb7271a35407cacb06af6c0a3024","target":"graph","created_at":"2026-07-04T16:41:01Z","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-ph/0312331/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Using the hierarchy of scales between the mass, $M$, and the width, $\\Gamma$, of a heavy, unstable particle we construct an effective theory that allows calculations for resonant processes to be systematically expanded in powers of the coupling $\\alpha$ and $\\Gamma/M$. We illustrate the method by computing the next-to-leading order line shape of a scalar resonance in an abelian gauge-Yukawa model.","authors_text":"A.P. Chapovsky, A. Signer, G. Zanderighi, M. Beneke","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2003-12-23T11:47:50Z","title":"Effective theory approach to unstable particle production"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0312331","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":"sha256:91ef0ef1e0918482e2a7968fe297ccfb70df45e4c58424742ced7a3fa77fb118","target":"record","created_at":"2026-07-04T16:41:01Z","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":"bd07565961c33fca6f284b71a78a727cadca1a9afb1953c915897e07b7497b14","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2003-12-23T11:47:50Z","title_canon_sha256":"b6bb1038f23faa7ad375ef56bf7ac2dfac0c56ff76d225e776393ca238ecb423"},"schema_version":"1.0","source":{"id":"hep-ph/0312331","kind":"arxiv","version":1}},"canonical_sha256":"e919f05691c55893402f1d4efaf09877897fb157462866f4d646443d17ab6b59","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e919f05691c55893402f1d4efaf09877897fb157462866f4d646443d17ab6b59","first_computed_at":"2026-07-04T16:41:01.316003Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:41:01.316003Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NaNPvH6V0PAI0TkBBvJ1GFrysYnTc1fmvcujzPfkDXIzOOjXdi0U1Jg6MMh0II8lgQZQj+GV3BkmWp4VEzsYBg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:41:01.316356Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0312331","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91ef0ef1e0918482e2a7968fe297ccfb70df45e4c58424742ced7a3fa77fb118","sha256:a7a0ffedeff308fc1c3096e11d1c78f62a7feb7271a35407cacb06af6c0a3024"],"state_sha256":"c6fa27c157134040f68afbf49089c6ddf8b87e11b4735be3f0651ed9cf2020db"}