{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:CSW7T7AGEBIOELD772U3BTAQMI","short_pith_number":"pith:CSW7T7AG","canonical_record":{"source":{"id":"hep-ph/9808283","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1998-08-10T17:57:35Z","cross_cats_sorted":[],"title_canon_sha256":"c2b21339b71e8ccea4eaaa5c8073b6350eccea5062315b843fb5199009d4c199","abstract_canon_sha256":"20269ffc7edd4505163adc9ef1de08d2f0ca0c3ad09e9b7b651e8ac19595e6cc"},"schema_version":"1.0"},"canonical_sha256":"14adf9fc062050e22c7ffea9b0cc106211a8714565308e53245ae55d197c35de","source":{"kind":"arxiv","id":"hep-ph/9808283","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9808283","created_at":"2026-07-04T15:29:37Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9808283v2","created_at":"2026-07-04T15:29:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9808283","created_at":"2026-07-04T15:29:37Z"},{"alias_kind":"pith_short_12","alias_value":"CSW7T7AGEBIO","created_at":"2026-07-04T15:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"CSW7T7AGEBIOELD7","created_at":"2026-07-04T15:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"CSW7T7AG","created_at":"2026-07-04T15:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:CSW7T7AGEBIOELD772U3BTAQMI","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9808283","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1998-08-10T17:57:35Z","cross_cats_sorted":[],"title_canon_sha256":"c2b21339b71e8ccea4eaaa5c8073b6350eccea5062315b843fb5199009d4c199","abstract_canon_sha256":"20269ffc7edd4505163adc9ef1de08d2f0ca0c3ad09e9b7b651e8ac19595e6cc"},"schema_version":"1.0"},"canonical_sha256":"14adf9fc062050e22c7ffea9b0cc106211a8714565308e53245ae55d197c35de","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:29:37.021609Z","signature_b64":"QapKxRGBHG02IS+biMvkxAgB4cCc9ENQ2qp3KxSsngW0b7JIaph+F0mYDFl4kd1Rjxad/mJbLd/qxTJayNWqAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"14adf9fc062050e22c7ffea9b0cc106211a8714565308e53245ae55d197c35de","last_reissued_at":"2026-07-04T15:29:37.021163Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:29:37.021163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9808283","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":"2026-07-04T15:29:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QU5akemocy1+0qQ7BFsPZNfe/JB5u/2xCeUmo5hSBQ8r9ZSjZA71cVVtwYPydXfek6VWdOwn6IOsO5n7M8yLBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T03:57:20.889258Z"},"content_sha256":"fd175faf79eaddbe757116d7586a16c975097206e12e0dc7f1832cd4a99f3f2a","schema_version":"1.0","event_id":"sha256:fd175faf79eaddbe757116d7586a16c975097206e12e0dc7f1832cd4a99f3f2a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:CSW7T7AGEBIOELD772U3BTAQMI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Complete 2-loop Quantum Electrodynamic Contributions to the Muon Lifetime in the Fermi Model","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Robin G. Stuart, Timo van Ritbergen","submitted_at":"1998-08-10T17:57:35Z","abstract_excerpt":"The complete 2-loop quantum electrodynamic corrections to the muon lifetime are calculated in the Fermi theory. The exact result for the effects of virtual and real photons, virtual electrons, muons as well as e+e- pair creation is\n  Delta Gamma_QED\n  = Gamma_0(alpha/pi)^2[(156815/5184)-(1036/27)zeta(2)-(895/36)zeta(3)\n  +(67/8)zeta(4)+53zeta(2)ln(2)]\n  = Gamma_0(alpha/pi)^2(6.743)\n  where Gamma_0 is the tree-level width. The theoretical error in the value of the Fermi coupling constant, G_F, is now rendered negligible compared to the experimental uncertainty coming from the measurement of the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9808283","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/9808283/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:29:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"26Q6b1SQU6WmzVfgjqpjq+NyGdjEGC/EvfDE/l222vSzCpIab7X16Oamunt/dEiXQLbbqIRHyOY6h0+niGBQDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T03:57:20.889747Z"},"content_sha256":"3293afa013d6d011c059dc37a126c7e33c413bce2b6e2a43d6c3873798cdaf10","schema_version":"1.0","event_id":"sha256:3293afa013d6d011c059dc37a126c7e33c413bce2b6e2a43d6c3873798cdaf10"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CSW7T7AGEBIOELD772U3BTAQMI/bundle.json","state_url":"https://pith.science/pith/CSW7T7AGEBIOELD772U3BTAQMI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CSW7T7AGEBIOELD772U3BTAQMI/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":"2026-08-05T03:57:20Z","links":{"resolver":"https://pith.science/pith/CSW7T7AGEBIOELD772U3BTAQMI","bundle":"https://pith.science/pith/CSW7T7AGEBIOELD772U3BTAQMI/bundle.json","state":"https://pith.science/pith/CSW7T7AGEBIOELD772U3BTAQMI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CSW7T7AGEBIOELD772U3BTAQMI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:CSW7T7AGEBIOELD772U3BTAQMI","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":"20269ffc7edd4505163adc9ef1de08d2f0ca0c3ad09e9b7b651e8ac19595e6cc","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1998-08-10T17:57:35Z","title_canon_sha256":"c2b21339b71e8ccea4eaaa5c8073b6350eccea5062315b843fb5199009d4c199"},"schema_version":"1.0","source":{"id":"hep-ph/9808283","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9808283","created_at":"2026-07-04T15:29:37Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9808283v2","created_at":"2026-07-04T15:29:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9808283","created_at":"2026-07-04T15:29:37Z"},{"alias_kind":"pith_short_12","alias_value":"CSW7T7AGEBIO","created_at":"2026-07-04T15:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"CSW7T7AGEBIOELD7","created_at":"2026-07-04T15:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"CSW7T7AG","created_at":"2026-07-04T15:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:3293afa013d6d011c059dc37a126c7e33c413bce2b6e2a43d6c3873798cdaf10","target":"graph","created_at":"2026-07-04T15:29:37Z","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/9808283/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The complete 2-loop quantum electrodynamic corrections to the muon lifetime are calculated in the Fermi theory. The exact result for the effects of virtual and real photons, virtual electrons, muons as well as e+e- pair creation is\n  Delta Gamma_QED\n  = Gamma_0(alpha/pi)^2[(156815/5184)-(1036/27)zeta(2)-(895/36)zeta(3)\n  +(67/8)zeta(4)+53zeta(2)ln(2)]\n  = Gamma_0(alpha/pi)^2(6.743)\n  where Gamma_0 is the tree-level width. The theoretical error in the value of the Fermi coupling constant, G_F, is now rendered negligible compared to the experimental uncertainty coming from the measurement of the","authors_text":"Robin G. Stuart, Timo van Ritbergen","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1998-08-10T17:57:35Z","title":"Complete 2-loop Quantum Electrodynamic Contributions to the Muon Lifetime in the Fermi Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9808283","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:fd175faf79eaddbe757116d7586a16c975097206e12e0dc7f1832cd4a99f3f2a","target":"record","created_at":"2026-07-04T15:29:37Z","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":"20269ffc7edd4505163adc9ef1de08d2f0ca0c3ad09e9b7b651e8ac19595e6cc","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1998-08-10T17:57:35Z","title_canon_sha256":"c2b21339b71e8ccea4eaaa5c8073b6350eccea5062315b843fb5199009d4c199"},"schema_version":"1.0","source":{"id":"hep-ph/9808283","kind":"arxiv","version":2}},"canonical_sha256":"14adf9fc062050e22c7ffea9b0cc106211a8714565308e53245ae55d197c35de","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"14adf9fc062050e22c7ffea9b0cc106211a8714565308e53245ae55d197c35de","first_computed_at":"2026-07-04T15:29:37.021163Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:29:37.021163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QapKxRGBHG02IS+biMvkxAgB4cCc9ENQ2qp3KxSsngW0b7JIaph+F0mYDFl4kd1Rjxad/mJbLd/qxTJayNWqAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:29:37.021609Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9808283","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fd175faf79eaddbe757116d7586a16c975097206e12e0dc7f1832cd4a99f3f2a","sha256:3293afa013d6d011c059dc37a126c7e33c413bce2b6e2a43d6c3873798cdaf10"],"state_sha256":"87d29a8487443729a14849da28509f31a0303368e43b967732c2ece90c3b3a26"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9I4mekraRZ2ZjxiZlc2DU7C5xcEvDi6qVw0tvTWhTelR5vzFiva4UE9UZqiiplL2HbvDJkSXV2F/fW2NHqVUAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T03:57:20.893568Z","bundle_sha256":"3b76b0413cca49e572912ffd9c6034059f18a2988f6aeb1020f125482d12660f"}}