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We find B(B^0 -> rho^- l^+ nu)=(2.69 +- 0.41^+0.35_-0.40 +- 0.50) 10^-4, |V_ub|=(3.23 +- 0.24^+0.23_-0.26 +- 0.58) 10^-3, Delta Gamma (0 < q^2 < 7 GeV^2/c^4) =(7.6 +- 3.0 ^+0.9_-1.2 +- 3.0) 10^-2 ns^-1, Delta Gamma (7 < q^2 < 14 GeV^2/c^4) =(4.8 +- 2.9 ^+0.7_-0.8 +- 0.7) 10^-2 ns^-1, and Delta Gamma (14 < q^2 < 21 GeV^2/c^4) "},"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-ex/9905056","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"1999-05-28T14:50:37Z","cross_cats_sorted":[],"title_canon_sha256":"5f3f4efc4c01c359289e4e0c10114a91e34f4132bd13bd8bffa93c87c0a20a7b","abstract_canon_sha256":"20ea92600f88d8b41bd69c9b7486cb672c33f43d34d8991697dff2a3b5250882"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:25:57.722097Z","signature_b64":"hrUFYpTPXK19rGg4M/lASceXznOtAXq343cRCBIicVGf0cXUteM/mj4YIUFAXEZJl7M0kLsSWOGLujxT0b6VBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9708fe791f7c4c6a52e667840f2cfd1cbd4a9ca7991203acee4775fa3d8b20e7","last_reissued_at":"2026-07-04T17:25:57.721643Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:25:57.721643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of $B\\to \\rho\\ell\\nu$ Decay and $|V_{ub}|$","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"B. 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We find B(B^0 -> rho^- l^+ nu)=(2.69 +- 0.41^+0.35_-0.40 +- 0.50) 10^-4, |V_ub|=(3.23 +- 0.24^+0.23_-0.26 +- 0.58) 10^-3, Delta Gamma (0 < q^2 < 7 GeV^2/c^4) =(7.6 +- 3.0 ^+0.9_-1.2 +- 3.0) 10^-2 ns^-1, Delta Gamma (7 < q^2 < 14 GeV^2/c^4) =(4.8 +- 2.9 ^+0.7_-0.8 +- 0.7) 10^-2 ns^-1, and Delta Gamma (14 < q^2 < 21 GeV^2/c^4) "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9905056","kind":"arxiv","version":1},"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-ex/9905056/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/9905056","created_at":"2026-07-04T17:25:57.721722+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/9905056v1","created_at":"2026-07-04T17:25:57.721722+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/9905056","created_at":"2026-07-04T17:25:57.721722+00:00"},{"alias_kind":"pith_short_12","alias_value":"S4EP46I7PRGG","created_at":"2026-07-04T17:25:57.721722+00:00"},{"alias_kind":"pith_short_16","alias_value":"S4EP46I7PRGGUUXG","created_at":"2026-07-04T17:25:57.721722+00:00"},{"alias_kind":"pith_short_8","alias_value":"S4EP46I7","created_at":"2026-07-04T17:25:57.721722+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/S4EP46I7PRGGUUXGM6CA6LH5DS","json":"https://pith.science/pith/S4EP46I7PRGGUUXGM6CA6LH5DS.json","graph_json":"https://pith.science/api/pith-number/S4EP46I7PRGGUUXGM6CA6LH5DS/graph.json","events_json":"https://pith.science/api/pith-number/S4EP46I7PRGGUUXGM6CA6LH5DS/events.json","paper":"https://pith.science/paper/S4EP46I7"},"agent_actions":{"view_html":"https://pith.science/pith/S4EP46I7PRGGUUXGM6CA6LH5DS","download_json":"https://pith.science/pith/S4EP46I7PRGGUUXGM6CA6LH5DS.json","view_paper":"https://pith.science/paper/S4EP46I7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ex/9905056&json=true","fetch_graph":"https://pith.science/api/pith-number/S4EP46I7PRGGUUXGM6CA6LH5DS/graph.json","fetch_events":"https://pith.science/api/pith-number/S4EP46I7PRGGUUXGM6CA6LH5DS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/S4EP46I7PRGGUUXGM6CA6LH5DS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/S4EP46I7PRGGUUXGM6CA6LH5DS/action/storage_attestation","attest_author":"https://pith.science/pith/S4EP46I7PRGGUUXGM6CA6LH5DS/action/author_attestation","sign_citation":"https://pith.science/pith/S4EP46I7PRGGUUXGM6CA6LH5DS/action/citation_signature","submit_replication":"https://pith.science/pith/S4EP46I7PRGGUUXGM6CA6LH5DS/action/replication_record"}},"created_at":"2026-07-04T17:25:57.721722+00:00","updated_at":"2026-07-04T17:25:57.721722+00:00"}