{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1999:HEUI6PNGBJQ37A5IUZK2BVQL7E","short_pith_number":"pith:HEUI6PNG","schema_version":"1.0","canonical_sha256":"39288f3da60a61bf83a8a655a0d60bf93874af014a76896e611417248ffd9881","source":{"kind":"arxiv","id":"hep-ph/9905520","version":3},"attestation_state":"computed","paper":{"title":"Theoretical Uncertainties in Gamma_sl(b->u)","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Nikolai Uraltsev","submitted_at":"1999-05-27T18:27:14Z","abstract_excerpt":"I review the existing theoretical uncertainties in relating the semileptonic decay width in b->u transitions to the underlying Kobayashi-Maskawa mixing element |V_ub|. The theoretical error bars are only a few percent in |V_ub|, with uncertainties from the impact of the nonperturbative effects nearly negligible."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"hep-ph/9905520","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1999-05-27T18:27:14Z","cross_cats_sorted":[],"title_canon_sha256":"a0c1f92ac0ec3a3323b0acc6fd3edff0723915465bcafda18729e8d87d3b29dc","abstract_canon_sha256":"08dc50c74af9730964028e62581df6e1532157a01a432bfacbd8d517deb9978b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:36:27.901501Z","signature_b64":"7/zrQDUFN4igS5wLWUy0Q2oxQvOMcEh5lrUIVGLZtfIfSkzSQbDo9J+Lb/8bCa2bNkdetB/sUEEGb1Plgbp0BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39288f3da60a61bf83a8a655a0d60bf93874af014a76896e611417248ffd9881","last_reissued_at":"2026-05-18T02:36:27.901034Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:36:27.901034Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Theoretical Uncertainties in Gamma_sl(b->u)","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Nikolai Uraltsev","submitted_at":"1999-05-27T18:27:14Z","abstract_excerpt":"I review the existing theoretical uncertainties in relating the semileptonic decay width in b->u transitions to the underlying Kobayashi-Maskawa mixing element |V_ub|. The theoretical error bars are only a few percent in |V_ub|, with uncertainties from the impact of the nonperturbative effects nearly negligible."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9905520","kind":"arxiv","version":3},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9905520","created_at":"2026-05-18T02:36:27.901100+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9905520v3","created_at":"2026-05-18T02:36:27.901100+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9905520","created_at":"2026-05-18T02:36:27.901100+00:00"},{"alias_kind":"pith_short_12","alias_value":"HEUI6PNGBJQ3","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_16","alias_value":"HEUI6PNGBJQ37A5I","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_8","alias_value":"HEUI6PNG","created_at":"2026-05-18T12:25:49.631198+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HEUI6PNGBJQ37A5IUZK2BVQL7E","json":"https://pith.science/pith/HEUI6PNGBJQ37A5IUZK2BVQL7E.json","graph_json":"https://pith.science/api/pith-number/HEUI6PNGBJQ37A5IUZK2BVQL7E/graph.json","events_json":"https://pith.science/api/pith-number/HEUI6PNGBJQ37A5IUZK2BVQL7E/events.json","paper":"https://pith.science/paper/HEUI6PNG"},"agent_actions":{"view_html":"https://pith.science/pith/HEUI6PNGBJQ37A5IUZK2BVQL7E","download_json":"https://pith.science/pith/HEUI6PNGBJQ37A5IUZK2BVQL7E.json","view_paper":"https://pith.science/paper/HEUI6PNG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/9905520&json=true","fetch_graph":"https://pith.science/api/pith-number/HEUI6PNGBJQ37A5IUZK2BVQL7E/graph.json","fetch_events":"https://pith.science/api/pith-number/HEUI6PNGBJQ37A5IUZK2BVQL7E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HEUI6PNGBJQ37A5IUZK2BVQL7E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HEUI6PNGBJQ37A5IUZK2BVQL7E/action/storage_attestation","attest_author":"https://pith.science/pith/HEUI6PNGBJQ37A5IUZK2BVQL7E/action/author_attestation","sign_citation":"https://pith.science/pith/HEUI6PNGBJQ37A5IUZK2BVQL7E/action/citation_signature","submit_replication":"https://pith.science/pith/HEUI6PNGBJQ37A5IUZK2BVQL7E/action/replication_record"}},"created_at":"2026-05-18T02:36:27.901100+00:00","updated_at":"2026-05-18T02:36:27.901100+00:00"}