{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:2DCKOK4MRDKSAJP7NILO77542O","short_pith_number":"pith:2DCKOK4M","canonical_record":{"source":{"id":"hep-ph/0403241","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2004-03-22T20:17:57Z","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"title_canon_sha256":"3899b2bda477264661cfc06d97416e610f1bc70c350621ee987038eb08ff31dc","abstract_canon_sha256":"f240532f1fca8cf72dc167ce171ae558a5d5a2db2f7db4178dc7f1211097b547"},"schema_version":"1.0"},"canonical_sha256":"d0c4a72b8c88d52025ff6a16efffbcd3becda8e51273eb54c6fdb5feabfdf421","source":{"kind":"arxiv","id":"hep-ph/0403241","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0403241","created_at":"2026-05-18T02:36:29Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0403241v2","created_at":"2026-05-18T02:36:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0403241","created_at":"2026-05-18T02:36:29Z"},{"alias_kind":"pith_short_12","alias_value":"2DCKOK4MRDKS","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"2DCKOK4MRDKSAJP7","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"2DCKOK4M","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:2DCKOK4MRDKSAJP7NILO77542O","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0403241","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2004-03-22T20:17:57Z","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"title_canon_sha256":"3899b2bda477264661cfc06d97416e610f1bc70c350621ee987038eb08ff31dc","abstract_canon_sha256":"f240532f1fca8cf72dc167ce171ae558a5d5a2db2f7db4178dc7f1211097b547"},"schema_version":"1.0"},"canonical_sha256":"d0c4a72b8c88d52025ff6a16efffbcd3becda8e51273eb54c6fdb5feabfdf421","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:36:29.661290Z","signature_b64":"7nygwhu/XYke87SEOLHcMnqFkYw2dCMCR5t76dVbmypEsXK4ChmmwS5kwb5fOtfZ2JsK3vviHDoae/RKlTZyBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d0c4a72b8c88d52025ff6a16efffbcd3becda8e51273eb54c6fdb5feabfdf421","last_reissued_at":"2026-05-18T02:36:29.660874Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:36:29.660874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0403241","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:36:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JtrNXXzKw+ceq/7glvCAOxgfHGRRNxrwggBeJn8HCe3li71ccZvYIKWykjyJjXQ9qiHdrp0RynL5HV3+TC2AAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T01:26:42.340495Z"},"content_sha256":"77733963ee270cb273a9948e3c3800e2049b581a4d594ba438843a1875db878b","schema_version":"1.0","event_id":"sha256:77733963ee270cb273a9948e3c3800e2049b581a4d594ba438843a1875db878b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:2DCKOK4MRDKSAJP7NILO77542O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radiative neutron beta-decay in effective field theory","license":"","headline":"","cross_cats":["hep-ex","nucl-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"C. Zhang, S. Gardner, U.-G. Mei{\\ss}ner, V. Bernard","submitted_at":"2004-03-22T20:17:57Z","abstract_excerpt":"We consider radiative \\beta--decay of the neutron in heavy baryon chiral perturbation theory, with an extension including explicit \\Delta degrees of freedom. We compute the photon energy spectrum as well as the photon polarization; both observables are dominated by the electron bremsstrahlung contribution. Nucleon-structure effects not encoded in the weak coupling constants g_A and g_V are determined at next-to-leading order in the chiral expansion, and enter at the {\\cal O}(0.5%)-level, making a sensitive test of the Dirac structure of the weak currents possible."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0403241","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:36:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KlL+8pNqArFmsvGcKfdsKqrYzKr1RAgbaiMpv1JS/4xLCGYMwY0tbpqKxLa2tbqQh11BTl4U7H7rPL1wIR4GCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T01:26:42.341219Z"},"content_sha256":"870882b78a7ef90fb8fa06f6309d5609e50c572591644d8927988d52abdf98a2","schema_version":"1.0","event_id":"sha256:870882b78a7ef90fb8fa06f6309d5609e50c572591644d8927988d52abdf98a2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2DCKOK4MRDKSAJP7NILO77542O/bundle.json","state_url":"https://pith.science/pith/2DCKOK4MRDKSAJP7NILO77542O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2DCKOK4MRDKSAJP7NILO77542O/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-10T01:26:42Z","links":{"resolver":"https://pith.science/pith/2DCKOK4MRDKSAJP7NILO77542O","bundle":"https://pith.science/pith/2DCKOK4MRDKSAJP7NILO77542O/bundle.json","state":"https://pith.science/pith/2DCKOK4MRDKSAJP7NILO77542O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2DCKOK4MRDKSAJP7NILO77542O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:2DCKOK4MRDKSAJP7NILO77542O","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":"f240532f1fca8cf72dc167ce171ae558a5d5a2db2f7db4178dc7f1211097b547","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"license":"","primary_cat":"hep-ph","submitted_at":"2004-03-22T20:17:57Z","title_canon_sha256":"3899b2bda477264661cfc06d97416e610f1bc70c350621ee987038eb08ff31dc"},"schema_version":"1.0","source":{"id":"hep-ph/0403241","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0403241","created_at":"2026-05-18T02:36:29Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0403241v2","created_at":"2026-05-18T02:36:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0403241","created_at":"2026-05-18T02:36:29Z"},{"alias_kind":"pith_short_12","alias_value":"2DCKOK4MRDKS","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"2DCKOK4MRDKSAJP7","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"2DCKOK4M","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:870882b78a7ef90fb8fa06f6309d5609e50c572591644d8927988d52abdf98a2","target":"graph","created_at":"2026-05-18T02:36:29Z","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 consider radiative \\beta--decay of the neutron in heavy baryon chiral perturbation theory, with an extension including explicit \\Delta degrees of freedom. We compute the photon energy spectrum as well as the photon polarization; both observables are dominated by the electron bremsstrahlung contribution. Nucleon-structure effects not encoded in the weak coupling constants g_A and g_V are determined at next-to-leading order in the chiral expansion, and enter at the {\\cal O}(0.5%)-level, making a sensitive test of the Dirac structure of the weak currents possible.","authors_text":"C. Zhang, S. Gardner, U.-G. Mei{\\ss}ner, V. Bernard","cross_cats":["hep-ex","nucl-ex","nucl-th"],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2004-03-22T20:17:57Z","title":"Radiative neutron beta-decay in effective field theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0403241","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":"sha256:77733963ee270cb273a9948e3c3800e2049b581a4d594ba438843a1875db878b","target":"record","created_at":"2026-05-18T02:36:29Z","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":"f240532f1fca8cf72dc167ce171ae558a5d5a2db2f7db4178dc7f1211097b547","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"license":"","primary_cat":"hep-ph","submitted_at":"2004-03-22T20:17:57Z","title_canon_sha256":"3899b2bda477264661cfc06d97416e610f1bc70c350621ee987038eb08ff31dc"},"schema_version":"1.0","source":{"id":"hep-ph/0403241","kind":"arxiv","version":2}},"canonical_sha256":"d0c4a72b8c88d52025ff6a16efffbcd3becda8e51273eb54c6fdb5feabfdf421","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d0c4a72b8c88d52025ff6a16efffbcd3becda8e51273eb54c6fdb5feabfdf421","first_computed_at":"2026-05-18T02:36:29.660874Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:36:29.660874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7nygwhu/XYke87SEOLHcMnqFkYw2dCMCR5t76dVbmypEsXK4ChmmwS5kwb5fOtfZ2JsK3vviHDoae/RKlTZyBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:36:29.661290Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0403241","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:77733963ee270cb273a9948e3c3800e2049b581a4d594ba438843a1875db878b","sha256:870882b78a7ef90fb8fa06f6309d5609e50c572591644d8927988d52abdf98a2"],"state_sha256":"3f9508aa1e5640509a7376ea30c4fc61b14928dd16437c23101bdc47312f230a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8n4NMf61uz3aX27bOE17bVSsLLYwHo+yCW64pg291f6JBffw7HLrE75vuWUSSUEo+Jw2yyM3sCM0sDQpnxzFDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T01:26:42.345881Z","bundle_sha256":"170a97d6dddb8f185572166cf746d87a87975bac210cc473e0c03531055f85bd"}}