{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:JXKPRO2NMXBQD7OLFCE66OMHRM","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":"5ec295c7596fb0627327ca4a999abcc0e550b29e00a7b14dc78667984e7bdfb5","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1997-06-04T09:55:14Z","title_canon_sha256":"0b46705dabf4ade7363479b699b7bb4c111d7b3e349f898f2ef33dc8867ae051"},"schema_version":"1.0","source":{"id":"hep-ph/9706245","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9706245","created_at":"2026-05-18T04:30:37Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9706245v1","created_at":"2026-05-18T04:30:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9706245","created_at":"2026-05-18T04:30:37Z"},{"alias_kind":"pith_short_12","alias_value":"JXKPRO2NMXBQ","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"JXKPRO2NMXBQD7OL","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"JXKPRO2N","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:98eb7e3210daa23e6af78a98a01d623e49a74f5c2b56e1f11ae1d27c861f04e3","target":"graph","created_at":"2026-05-18T04:30:37Z","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"},"paper":{"abstract_excerpt":"We describe a theoretical approach to compute inclusive widths of heavy hadrons, based on a systematic expansion in the inverse powers of the heavy quark mass. The method reproduces quite well the experimental ratios of $B$ mesons lifetimes. As for $\\tau(\\Lambda_b)/\\tau(B_d)$, we present a QCD sum rule calculation of the $O(m_b^{-3})$ contribution to $\\tau(\\Lambda_b)$; we conclude that such correction is not responsible of the small experimental value of $\\tau(\\Lambda_b)/\\tau(B_d)$.","authors_text":"F. De Fazio","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1997-06-04T09:55:14Z","title":"Beauty hadron lifetime ratios and the problem of $\\tau(\\Lambda_b)$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9706245","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:f868b5c6ca82aecc7714fb35669188ccb01f20b4ce88e97f43cab96409c945e3","target":"record","created_at":"2026-05-18T04:30:37Z","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":"5ec295c7596fb0627327ca4a999abcc0e550b29e00a7b14dc78667984e7bdfb5","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1997-06-04T09:55:14Z","title_canon_sha256":"0b46705dabf4ade7363479b699b7bb4c111d7b3e349f898f2ef33dc8867ae051"},"schema_version":"1.0","source":{"id":"hep-ph/9706245","kind":"arxiv","version":1}},"canonical_sha256":"4dd4f8bb4d65c301fdcb2889ef39878b395db89efd4443776df7fa71cf88e643","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4dd4f8bb4d65c301fdcb2889ef39878b395db89efd4443776df7fa71cf88e643","first_computed_at":"2026-05-18T04:30:37.366769Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:30:37.366769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V+ILzz+XU1ovDLaNPQHAt6l1rP1lGav+n1NX2EB/dGfJ4J2lM9VsPYjInf2PRellYm6PSGCN9Qamk9XAYEZkDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:30:37.367461Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9706245","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f868b5c6ca82aecc7714fb35669188ccb01f20b4ce88e97f43cab96409c945e3","sha256:98eb7e3210daa23e6af78a98a01d623e49a74f5c2b56e1f11ae1d27c861f04e3"],"state_sha256":"6910d0a7422c2e84d0f3017378b534b04d7f619e087312948b273e0d1f33a0de"}