{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:GV45UHAQETLYXRSYNXR756FVNL","short_pith_number":"pith:GV45UHAQ","canonical_record":{"source":{"id":"hep-ph/0304179","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2003-04-17T21:44:47Z","cross_cats_sorted":[],"title_canon_sha256":"9504e22cc697a1ab86fe1f8caa5bf411969ce85071b259ee505fe0cdcaa0c415","abstract_canon_sha256":"3f07109aae36f6f03ce21d94e6e21e5726e431ff3e0ff6a7d66034e50e529484"},"schema_version":"1.0"},"canonical_sha256":"3579da1c1024d78bc6586de3fef8b56af298dc1a2a008a0122ce99b9405ba667","source":{"kind":"arxiv","id":"hep-ph/0304179","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0304179","created_at":"2026-05-18T01:39:06Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0304179v2","created_at":"2026-05-18T01:39:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0304179","created_at":"2026-05-18T01:39:06Z"},{"alias_kind":"pith_short_12","alias_value":"GV45UHAQETLY","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"GV45UHAQETLYXRSY","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"GV45UHAQ","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:GV45UHAQETLYXRSYNXR756FVNL","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0304179","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2003-04-17T21:44:47Z","cross_cats_sorted":[],"title_canon_sha256":"9504e22cc697a1ab86fe1f8caa5bf411969ce85071b259ee505fe0cdcaa0c415","abstract_canon_sha256":"3f07109aae36f6f03ce21d94e6e21e5726e431ff3e0ff6a7d66034e50e529484"},"schema_version":"1.0"},"canonical_sha256":"3579da1c1024d78bc6586de3fef8b56af298dc1a2a008a0122ce99b9405ba667","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:06.740796Z","signature_b64":"aIN2ktFAgEGsf6fGzK4K6C//m/ByDeA9NoXHruyDWkAWSlXoZyg7vZ9P56DCPnQ1KZ40Vy3kBgiAjmsf37cGAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3579da1c1024d78bc6586de3fef8b56af298dc1a2a008a0122ce99b9405ba667","last_reissued_at":"2026-05-18T01:39:06.740398Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:06.740398Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0304179","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":"2026-05-18T01:39:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FC6nVlZVCVorz9EM9M/PHNRFu0oWm7r3cTuRrPwpMS391t+UrJndonkRSpNMJ6EmHWdWIlex4RsRz0+ly+n/BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:14:33.947456Z"},"content_sha256":"e10affee334275fb3c4b345a4fb08afe5c0e0e39704bb82279a69f1f31df3376","schema_version":"1.0","event_id":"sha256:e10affee334275fb3c4b345a4fb08afe5c0e0e39704bb82279a69f1f31df3376"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:GV45UHAQETLYXRSYNXR756FVNL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"QCD Light-Cone Sum Rule Estimate of Charming Penguin Contributions in B -> pi pi","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. Khodjamirian, B. Melic, Th. Mannel","submitted_at":"2003-04-17T21:44:47Z","abstract_excerpt":"Employing the QCD light-cone sum rule approach we calculate the B -> pi pi hadronic matrix element of the current-current operator with c quarks in the penguin topology (``charming penguin''). The dominant contribution to the sum rule is due to the c-quark loop at short distances and is of O(alpha_s) with respect to the factorizable B -> pi pi amplitude. The effects of soft gluons are suppressed at least by O(alpha_s m_b^{-2}). Our result indicates that sizable nonperturbative effects generated by charming penguins at finite m_b are absent. The same is valid for the penguin contractions of the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0304179","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":""},"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":"2026-05-18T01:39:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S17rAejhxoqRah62Kj6GNjh6n8QQmUg0C0rPdqTJ3eeOsQTiSUgs88+Gerai5HN4N/OtYPDwMCLsabjjAmEABA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:14:33.947950Z"},"content_sha256":"f3473c5ea2429cddf678ddd1a49a78defe243706a6133cf250a0861f50015cf7","schema_version":"1.0","event_id":"sha256:f3473c5ea2429cddf678ddd1a49a78defe243706a6133cf250a0861f50015cf7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GV45UHAQETLYXRSYNXR756FVNL/bundle.json","state_url":"https://pith.science/pith/GV45UHAQETLYXRSYNXR756FVNL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GV45UHAQETLYXRSYNXR756FVNL/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":"2026-05-31T00:14:33Z","links":{"resolver":"https://pith.science/pith/GV45UHAQETLYXRSYNXR756FVNL","bundle":"https://pith.science/pith/GV45UHAQETLYXRSYNXR756FVNL/bundle.json","state":"https://pith.science/pith/GV45UHAQETLYXRSYNXR756FVNL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GV45UHAQETLYXRSYNXR756FVNL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:GV45UHAQETLYXRSYNXR756FVNL","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":"3f07109aae36f6f03ce21d94e6e21e5726e431ff3e0ff6a7d66034e50e529484","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2003-04-17T21:44:47Z","title_canon_sha256":"9504e22cc697a1ab86fe1f8caa5bf411969ce85071b259ee505fe0cdcaa0c415"},"schema_version":"1.0","source":{"id":"hep-ph/0304179","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0304179","created_at":"2026-05-18T01:39:06Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0304179v2","created_at":"2026-05-18T01:39:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0304179","created_at":"2026-05-18T01:39:06Z"},{"alias_kind":"pith_short_12","alias_value":"GV45UHAQETLY","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"GV45UHAQETLYXRSY","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"GV45UHAQ","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:f3473c5ea2429cddf678ddd1a49a78defe243706a6133cf250a0861f50015cf7","target":"graph","created_at":"2026-05-18T01:39:06Z","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":"Employing the QCD light-cone sum rule approach we calculate the B -> pi pi hadronic matrix element of the current-current operator with c quarks in the penguin topology (``charming penguin''). The dominant contribution to the sum rule is due to the c-quark loop at short distances and is of O(alpha_s) with respect to the factorizable B -> pi pi amplitude. The effects of soft gluons are suppressed at least by O(alpha_s m_b^{-2}). Our result indicates that sizable nonperturbative effects generated by charming penguins at finite m_b are absent. The same is valid for the penguin contractions of the","authors_text":"A. Khodjamirian, B. Melic, Th. Mannel","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2003-04-17T21:44:47Z","title":"QCD Light-Cone Sum Rule Estimate of Charming Penguin Contributions in B -> pi pi"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0304179","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:e10affee334275fb3c4b345a4fb08afe5c0e0e39704bb82279a69f1f31df3376","target":"record","created_at":"2026-05-18T01:39:06Z","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":"3f07109aae36f6f03ce21d94e6e21e5726e431ff3e0ff6a7d66034e50e529484","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2003-04-17T21:44:47Z","title_canon_sha256":"9504e22cc697a1ab86fe1f8caa5bf411969ce85071b259ee505fe0cdcaa0c415"},"schema_version":"1.0","source":{"id":"hep-ph/0304179","kind":"arxiv","version":2}},"canonical_sha256":"3579da1c1024d78bc6586de3fef8b56af298dc1a2a008a0122ce99b9405ba667","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3579da1c1024d78bc6586de3fef8b56af298dc1a2a008a0122ce99b9405ba667","first_computed_at":"2026-05-18T01:39:06.740398Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:06.740398Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aIN2ktFAgEGsf6fGzK4K6C//m/ByDeA9NoXHruyDWkAWSlXoZyg7vZ9P56DCPnQ1KZ40Vy3kBgiAjmsf37cGAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:06.740796Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0304179","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e10affee334275fb3c4b345a4fb08afe5c0e0e39704bb82279a69f1f31df3376","sha256:f3473c5ea2429cddf678ddd1a49a78defe243706a6133cf250a0861f50015cf7"],"state_sha256":"ff35ec51931cb407f84ddefd7691c525d3d757762b4ef7bf933643523ffd2cda"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZmRLh1xkEbk8iZ8JxbWQtFknQudKyZvomQbaKCAtVyJVFVaGVYzDles4w5X8jX53kgxf0UZfKUM6FIOLk4PmAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T00:14:33.952243Z","bundle_sha256":"6314216ace42ceb334c659dca8d32d3428beaee379002b70feb144970a3b6218"}}