{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:WRGSMXHCRAGP3G3DKQFJ2CCGF2","short_pith_number":"pith:WRGSMXHC","canonical_record":{"source":{"id":"hep-ph/0504005","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2005-04-01T14:30:11Z","cross_cats_sorted":[],"title_canon_sha256":"04efd924c012c60e174ad6fef468e763177ef286be962676c3d7a1896c722ac8","abstract_canon_sha256":"2afdf3561a8a8efbb302688dd65c74f9a8825f31eb2ec4de71ec9bca24e29e38"},"schema_version":"1.0"},"canonical_sha256":"b44d265ce2880cfd9b63540a9d08462eade8398d44df2be926e9072b4b39864c","source":{"kind":"arxiv","id":"hep-ph/0504005","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0504005","created_at":"2026-07-04T16:55:38Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0504005v2","created_at":"2026-07-04T16:55:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0504005","created_at":"2026-07-04T16:55:38Z"},{"alias_kind":"pith_short_12","alias_value":"WRGSMXHCRAGP","created_at":"2026-07-04T16:55:38Z"},{"alias_kind":"pith_short_16","alias_value":"WRGSMXHCRAGP3G3D","created_at":"2026-07-04T16:55:38Z"},{"alias_kind":"pith_short_8","alias_value":"WRGSMXHC","created_at":"2026-07-04T16:55:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:WRGSMXHCRAGP3G3DKQFJ2CCGF2","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0504005","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2005-04-01T14:30:11Z","cross_cats_sorted":[],"title_canon_sha256":"04efd924c012c60e174ad6fef468e763177ef286be962676c3d7a1896c722ac8","abstract_canon_sha256":"2afdf3561a8a8efbb302688dd65c74f9a8825f31eb2ec4de71ec9bca24e29e38"},"schema_version":"1.0"},"canonical_sha256":"b44d265ce2880cfd9b63540a9d08462eade8398d44df2be926e9072b4b39864c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:55:38.796612Z","signature_b64":"hWLUwO2bMGlP0NkRvlJ6PoK/mVfLIv4iolYDs889M7155w4E+G+q/OeA3fzpHRbQ+fhSwP2w7ogXxULnsrkFCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b44d265ce2880cfd9b63540a9d08462eade8398d44df2be926e9072b4b39864c","last_reissued_at":"2026-07-04T16:55:38.796183Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:55:38.796183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0504005","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":"2026-07-04T16:55:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QaLpV4Wqg1OCyDUvdW6MD0uB86+gzoQxGMsDQy9kTOGIORWIDTgVLLFUV263bw6X2Xym7J+Nf5PJBzT9dM5PBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T20:59:21.358701Z"},"content_sha256":"ae4db342f912092e717292de65641979be5c60ce5bfb6e77d7a3efccffb72095","schema_version":"1.0","event_id":"sha256:ae4db342f912092e717292de65641979be5c60ce5bfb6e77d7a3efccffb72095"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:WRGSMXHCRAGP3G3DKQFJ2CCGF2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Shape Functions from B -> X_c \\ell \\nu","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"B.D. Pecjak (Univ. Siegen, Germany), H. Boos, Th. Feldmann, T. Mannel","submitted_at":"2005-04-01T14:30:11Z","abstract_excerpt":"We study inclusive semi-leptonic (B -> X_c \\ell \\nu) decay using the power counting m_c ~ \\sqrt{Lambda_{QCD} m_b}. Assuming this scaling for the charm-quark mass, the decay kinematics can be chosen to access the shape-function region even in b -> c transitions. To apply effective field theory methods in this region we extend SCET to describe massive collinear quarks. We calculate the tree-level decay rate, including O(Lambda_{QCD}/m_b) power corrections, and show that it factorizes into a convolution of jet and shape functions. We identify a certain kinematical variable whose decay spectrum is"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0504005","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/0504005/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":"2026-07-04T16:55:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oofjDm4LrVsOAo874aUWTACkSYIW9SVQQ2R6osnOClqSv7ljuk7j3x6DaJsv4LQf1+MR/Lxs8hHvY7ppbCiLBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T20:59:21.359201Z"},"content_sha256":"3bf6b81a9e932062f5953395cf310ffe844a588e0d78b6c17fa4e82b0fe5276e","schema_version":"1.0","event_id":"sha256:3bf6b81a9e932062f5953395cf310ffe844a588e0d78b6c17fa4e82b0fe5276e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WRGSMXHCRAGP3G3DKQFJ2CCGF2/bundle.json","state_url":"https://pith.science/pith/WRGSMXHCRAGP3G3DKQFJ2CCGF2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WRGSMXHCRAGP3G3DKQFJ2CCGF2/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":"2026-08-13T20:59:21Z","links":{"resolver":"https://pith.science/pith/WRGSMXHCRAGP3G3DKQFJ2CCGF2","bundle":"https://pith.science/pith/WRGSMXHCRAGP3G3DKQFJ2CCGF2/bundle.json","state":"https://pith.science/pith/WRGSMXHCRAGP3G3DKQFJ2CCGF2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WRGSMXHCRAGP3G3DKQFJ2CCGF2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:WRGSMXHCRAGP3G3DKQFJ2CCGF2","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":"2afdf3561a8a8efbb302688dd65c74f9a8825f31eb2ec4de71ec9bca24e29e38","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2005-04-01T14:30:11Z","title_canon_sha256":"04efd924c012c60e174ad6fef468e763177ef286be962676c3d7a1896c722ac8"},"schema_version":"1.0","source":{"id":"hep-ph/0504005","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0504005","created_at":"2026-07-04T16:55:38Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0504005v2","created_at":"2026-07-04T16:55:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0504005","created_at":"2026-07-04T16:55:38Z"},{"alias_kind":"pith_short_12","alias_value":"WRGSMXHCRAGP","created_at":"2026-07-04T16:55:38Z"},{"alias_kind":"pith_short_16","alias_value":"WRGSMXHCRAGP3G3D","created_at":"2026-07-04T16:55:38Z"},{"alias_kind":"pith_short_8","alias_value":"WRGSMXHC","created_at":"2026-07-04T16:55:38Z"}],"graph_snapshots":[{"event_id":"sha256:3bf6b81a9e932062f5953395cf310ffe844a588e0d78b6c17fa4e82b0fe5276e","target":"graph","created_at":"2026-07-04T16:55:38Z","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/0504005/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study inclusive semi-leptonic (B -> X_c \\ell \\nu) decay using the power counting m_c ~ \\sqrt{Lambda_{QCD} m_b}. Assuming this scaling for the charm-quark mass, the decay kinematics can be chosen to access the shape-function region even in b -> c transitions. To apply effective field theory methods in this region we extend SCET to describe massive collinear quarks. We calculate the tree-level decay rate, including O(Lambda_{QCD}/m_b) power corrections, and show that it factorizes into a convolution of jet and shape functions. We identify a certain kinematical variable whose decay spectrum is","authors_text":"B.D. Pecjak (Univ. Siegen, Germany), H. Boos, Th. Feldmann, T. Mannel","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2005-04-01T14:30:11Z","title":"Shape Functions from B -> X_c \\ell \\nu"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0504005","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:ae4db342f912092e717292de65641979be5c60ce5bfb6e77d7a3efccffb72095","target":"record","created_at":"2026-07-04T16:55:38Z","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":"2afdf3561a8a8efbb302688dd65c74f9a8825f31eb2ec4de71ec9bca24e29e38","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2005-04-01T14:30:11Z","title_canon_sha256":"04efd924c012c60e174ad6fef468e763177ef286be962676c3d7a1896c722ac8"},"schema_version":"1.0","source":{"id":"hep-ph/0504005","kind":"arxiv","version":2}},"canonical_sha256":"b44d265ce2880cfd9b63540a9d08462eade8398d44df2be926e9072b4b39864c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b44d265ce2880cfd9b63540a9d08462eade8398d44df2be926e9072b4b39864c","first_computed_at":"2026-07-04T16:55:38.796183Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:55:38.796183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hWLUwO2bMGlP0NkRvlJ6PoK/mVfLIv4iolYDs889M7155w4E+G+q/OeA3fzpHRbQ+fhSwP2w7ogXxULnsrkFCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:55:38.796612Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0504005","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae4db342f912092e717292de65641979be5c60ce5bfb6e77d7a3efccffb72095","sha256:3bf6b81a9e932062f5953395cf310ffe844a588e0d78b6c17fa4e82b0fe5276e"],"state_sha256":"80e9ca963e6669e41085c36c748417ac5d55cd0d2d72c163d38a46d2034a1341"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+uOsGTCK2VvX8toQ44FXVg03gi9uscc9gIKBuvhbeg2c2b9ezelyQo/vH1JvkjR8ak2iP7EQQo2UpfSXRjKLCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T20:59:21.379938Z","bundle_sha256":"9e6f061025c9ecdaaa527c2b4b40411ea03f1d8b3c2604e528b03e7700f46afd"}}