{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:5XUDHQGCDG5H2IDVROILATTCGN","short_pith_number":"pith:5XUDHQGC","canonical_record":{"source":{"id":"hep-ph/9810338","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1998-10-13T11:09:14Z","cross_cats_sorted":[],"title_canon_sha256":"a55edad63f853011594030c2e541645f8cb23d191991fd9f42fdb545be667b5a","abstract_canon_sha256":"ce2d5fdb6a6a20f72c45037ff22de4df967c694ec492960924e1eb485f60931a"},"schema_version":"1.0"},"canonical_sha256":"ede833c0c219ba7d20758b90b04e62334731a7ca654890991b0a85813d873ae4","source":{"kind":"arxiv","id":"hep-ph/9810338","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9810338","created_at":"2026-05-18T01:06:07Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9810338v1","created_at":"2026-05-18T01:06:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9810338","created_at":"2026-05-18T01:06:07Z"},{"alias_kind":"pith_short_12","alias_value":"5XUDHQGCDG5H","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"5XUDHQGCDG5H2IDV","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"5XUDHQGC","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:5XUDHQGCDG5H2IDVROILATTCGN","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9810338","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1998-10-13T11:09:14Z","cross_cats_sorted":[],"title_canon_sha256":"a55edad63f853011594030c2e541645f8cb23d191991fd9f42fdb545be667b5a","abstract_canon_sha256":"ce2d5fdb6a6a20f72c45037ff22de4df967c694ec492960924e1eb485f60931a"},"schema_version":"1.0"},"canonical_sha256":"ede833c0c219ba7d20758b90b04e62334731a7ca654890991b0a85813d873ae4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:07.743062Z","signature_b64":"KnzwYgKUHJjjxngQop/+L+serO0b38Gg6FsdEfGKTmSGAFDHUurvQI+lXbm8cXu5fsP8NXBd+hikDHVk4XwPBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ede833c0c219ba7d20758b90b04e62334731a7ca654890991b0a85813d873ae4","last_reissued_at":"2026-05-18T01:06:07.742328Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:07.742328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9810338","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:06:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R2ZDQH2S+LwPmKM+1wwEDEav16TcJLGGa81eDMubuOmWcdbHCM7Pc/ZGlCcsIkk2APHRplGz+JPATYjdbP20Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T17:46:50.666151Z"},"content_sha256":"abdec6bd29661666a4a8bf76af89611b2c993926b19a5a1d3c5396674c2c9439","schema_version":"1.0","event_id":"sha256:abdec6bd29661666a4a8bf76af89611b2c993926b19a5a1d3c5396674c2c9439"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:5XUDHQGCDG5H2IDVROILATTCGN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exclusive Decays of Charm and Beauty","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"R. R\\\"uckl (U. of W\\\"urzburg)","submitted_at":"1998-10-13T11:09:14Z","abstract_excerpt":"Exclusive decays of B and D mesons are discussed with the focus on the theoretical problem how to calculate the relevant hadronic matrix elements of weak operators in the framework of QCD sum rules. The three lectures are devoted to\n 1. leptonic decays and decay constants\n 2. semileptonic decays and form factors\n 3. nonleptonic decays and nonfactorizable amplitudes.\n I shall introduce some of the basic concepts, describe various calculational techniques, and illustrate the numerical results. The latter are compared with lattice and quark model predictions and, where possible, with experimental"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9810338","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":""},"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":"2026-05-18T01:06:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yS1r7Vvc4+bd4m9omIXhXoSp3KpDp/9nQw5E3N68fuCkQUcjr7INgp+ID8gTojs0XMKZuEvzTiUPqAQAafRVBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T17:46:50.666554Z"},"content_sha256":"461f27d915ede8a6367fab23adf7a469153e23c548eca3957b893a88ad607a76","schema_version":"1.0","event_id":"sha256:461f27d915ede8a6367fab23adf7a469153e23c548eca3957b893a88ad607a76"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5XUDHQGCDG5H2IDVROILATTCGN/bundle.json","state_url":"https://pith.science/pith/5XUDHQGCDG5H2IDVROILATTCGN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5XUDHQGCDG5H2IDVROILATTCGN/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":"2026-07-02T17:46:50Z","links":{"resolver":"https://pith.science/pith/5XUDHQGCDG5H2IDVROILATTCGN","bundle":"https://pith.science/pith/5XUDHQGCDG5H2IDVROILATTCGN/bundle.json","state":"https://pith.science/pith/5XUDHQGCDG5H2IDVROILATTCGN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5XUDHQGCDG5H2IDVROILATTCGN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:5XUDHQGCDG5H2IDVROILATTCGN","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":"ce2d5fdb6a6a20f72c45037ff22de4df967c694ec492960924e1eb485f60931a","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1998-10-13T11:09:14Z","title_canon_sha256":"a55edad63f853011594030c2e541645f8cb23d191991fd9f42fdb545be667b5a"},"schema_version":"1.0","source":{"id":"hep-ph/9810338","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9810338","created_at":"2026-05-18T01:06:07Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9810338v1","created_at":"2026-05-18T01:06:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9810338","created_at":"2026-05-18T01:06:07Z"},{"alias_kind":"pith_short_12","alias_value":"5XUDHQGCDG5H","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"5XUDHQGCDG5H2IDV","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"5XUDHQGC","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:461f27d915ede8a6367fab23adf7a469153e23c548eca3957b893a88ad607a76","target":"graph","created_at":"2026-05-18T01:06:07Z","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":"Exclusive decays of B and D mesons are discussed with the focus on the theoretical problem how to calculate the relevant hadronic matrix elements of weak operators in the framework of QCD sum rules. The three lectures are devoted to\n 1. leptonic decays and decay constants\n 2. semileptonic decays and form factors\n 3. nonleptonic decays and nonfactorizable amplitudes.\n I shall introduce some of the basic concepts, describe various calculational techniques, and illustrate the numerical results. The latter are compared with lattice and quark model predictions and, where possible, with experimental","authors_text":"R. R\\\"uckl (U. of W\\\"urzburg)","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1998-10-13T11:09:14Z","title":"Exclusive Decays of Charm and Beauty"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9810338","kind":"arxiv","version":1},"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:abdec6bd29661666a4a8bf76af89611b2c993926b19a5a1d3c5396674c2c9439","target":"record","created_at":"2026-05-18T01:06:07Z","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":"ce2d5fdb6a6a20f72c45037ff22de4df967c694ec492960924e1eb485f60931a","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1998-10-13T11:09:14Z","title_canon_sha256":"a55edad63f853011594030c2e541645f8cb23d191991fd9f42fdb545be667b5a"},"schema_version":"1.0","source":{"id":"hep-ph/9810338","kind":"arxiv","version":1}},"canonical_sha256":"ede833c0c219ba7d20758b90b04e62334731a7ca654890991b0a85813d873ae4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ede833c0c219ba7d20758b90b04e62334731a7ca654890991b0a85813d873ae4","first_computed_at":"2026-05-18T01:06:07.742328Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:07.742328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KnzwYgKUHJjjxngQop/+L+serO0b38Gg6FsdEfGKTmSGAFDHUurvQI+lXbm8cXu5fsP8NXBd+hikDHVk4XwPBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:07.743062Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9810338","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:abdec6bd29661666a4a8bf76af89611b2c993926b19a5a1d3c5396674c2c9439","sha256:461f27d915ede8a6367fab23adf7a469153e23c548eca3957b893a88ad607a76"],"state_sha256":"04af7d525fbccc32a845731ed86ba7f218a6789d9665edafb870f80d65940e0d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p0jzwYGSspMYBHolNOkjGtAMNLlgoceU7LGVgjh6DF6LNh2ZHtgw2UaFZQgEhNfKxxNJagm5jJOzE2JFoznuCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T17:46:50.668552Z","bundle_sha256":"ad34a5e433bb935f8dd6e503475a08786d80d21f49456cf99771cc130dcf14e5"}}