{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2002:J2C4UKWOTREHCJRIQU3RNVX4AE","short_pith_number":"pith:J2C4UKWO","schema_version":"1.0","canonical_sha256":"4e85ca2ace9c48712628853716d6fc0136cfedfb878f9cb2c5c1afeeebbd3d5d","source":{"kind":"arxiv","id":"hep-ph/0204140","version":1},"attestation_state":"computed","paper":{"title":"A new model-independent way of extracting |V_ub/V_cb|","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Marco Ciuchini, Paolo Gambino, Ugo Aglietti","submitted_at":"2002-04-12T14:52:47Z","abstract_excerpt":"The ratio between the photon spectrum in B -> X_s gamma and the differential semileptonic rate wrt the hadronic variable M_X/E_X is a short-distance quantity calculable in perturbation theory and independent of the Fermi motion of the b quark in the B meson. We present a NLO analysis of this ratio and show how it can be used to determine |V_ub/V_cb| independently of any model for the shape function. We also discuss how this relation can be used to test the validity of the shape-function theory on the data."},"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/0204140","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2002-04-12T14:52:47Z","cross_cats_sorted":[],"title_canon_sha256":"b46175e06eb5d4ced67f005cd2fa32c055cbf75f040ec7f329e7d0b010a0e4d1","abstract_canon_sha256":"9b27beec3192eefce60db41e48c57d4edd6be2779000aa489306b3a4891221d9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:26:42.018403Z","signature_b64":"cVL60LL+efNx9CWuj2a9GrsgIv4HtjddE7VWvIweIslYxXozt4j17cTzUdFv729yFMWByfdePW9gHlBEya45BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e85ca2ace9c48712628853716d6fc0136cfedfb878f9cb2c5c1afeeebbd3d5d","last_reissued_at":"2026-07-04T15:26:42.018000Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:26:42.018000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A new model-independent way of extracting |V_ub/V_cb|","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Marco Ciuchini, Paolo Gambino, Ugo Aglietti","submitted_at":"2002-04-12T14:52:47Z","abstract_excerpt":"The ratio between the photon spectrum in B -> X_s gamma and the differential semileptonic rate wrt the hadronic variable M_X/E_X is a short-distance quantity calculable in perturbation theory and independent of the Fermi motion of the b quark in the B meson. We present a NLO analysis of this ratio and show how it can be used to determine |V_ub/V_cb| independently of any model for the shape function. We also discuss how this relation can be used to test the validity of the shape-function theory on the data."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0204140","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-ph/0204140/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-ph/0204140","created_at":"2026-07-04T15:26:42.018059+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0204140v1","created_at":"2026-07-04T15:26:42.018059+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0204140","created_at":"2026-07-04T15:26:42.018059+00:00"},{"alias_kind":"pith_short_12","alias_value":"J2C4UKWOTREH","created_at":"2026-07-04T15:26:42.018059+00:00"},{"alias_kind":"pith_short_16","alias_value":"J2C4UKWOTREHCJRI","created_at":"2026-07-04T15:26:42.018059+00:00"},{"alias_kind":"pith_short_8","alias_value":"J2C4UKWO","created_at":"2026-07-04T15:26:42.018059+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/J2C4UKWOTREHCJRIQU3RNVX4AE","json":"https://pith.science/pith/J2C4UKWOTREHCJRIQU3RNVX4AE.json","graph_json":"https://pith.science/api/pith-number/J2C4UKWOTREHCJRIQU3RNVX4AE/graph.json","events_json":"https://pith.science/api/pith-number/J2C4UKWOTREHCJRIQU3RNVX4AE/events.json","paper":"https://pith.science/paper/J2C4UKWO"},"agent_actions":{"view_html":"https://pith.science/pith/J2C4UKWOTREHCJRIQU3RNVX4AE","download_json":"https://pith.science/pith/J2C4UKWOTREHCJRIQU3RNVX4AE.json","view_paper":"https://pith.science/paper/J2C4UKWO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/0204140&json=true","fetch_graph":"https://pith.science/api/pith-number/J2C4UKWOTREHCJRIQU3RNVX4AE/graph.json","fetch_events":"https://pith.science/api/pith-number/J2C4UKWOTREHCJRIQU3RNVX4AE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/J2C4UKWOTREHCJRIQU3RNVX4AE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/J2C4UKWOTREHCJRIQU3RNVX4AE/action/storage_attestation","attest_author":"https://pith.science/pith/J2C4UKWOTREHCJRIQU3RNVX4AE/action/author_attestation","sign_citation":"https://pith.science/pith/J2C4UKWOTREHCJRIQU3RNVX4AE/action/citation_signature","submit_replication":"https://pith.science/pith/J2C4UKWOTREHCJRIQU3RNVX4AE/action/replication_record"}},"created_at":"2026-07-04T15:26:42.018059+00:00","updated_at":"2026-07-04T15:26:42.018059+00:00"}