{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:XUWFPQMVIL6JIBMRG5SFPDQTQA","short_pith_number":"pith:XUWFPQMV","canonical_record":{"source":{"id":"hep-ph/0408021","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2004-08-02T23:14:09Z","cross_cats_sorted":[],"title_canon_sha256":"3a5a4fa3ca03b2d5482074c7c5be58835ad20f7cf00933755ea28ec9dd885cde","abstract_canon_sha256":"7824e5118cd7d708f7edbe8ed3b5d26c83971da3c77fec1e27252b5c41534962"},"schema_version":"1.0"},"canonical_sha256":"bd2c57c19542fc9405913764578e13803278eca341713d38462b3dd63048c454","source":{"kind":"arxiv","id":"hep-ph/0408021","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0408021","created_at":"2026-05-18T04:31:01Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0408021v1","created_at":"2026-05-18T04:31:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0408021","created_at":"2026-05-18T04:31:01Z"},{"alias_kind":"pith_short_12","alias_value":"XUWFPQMVIL6J","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"XUWFPQMVIL6JIBMR","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"XUWFPQMV","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:XUWFPQMVIL6JIBMRG5SFPDQTQA","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0408021","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2004-08-02T23:14:09Z","cross_cats_sorted":[],"title_canon_sha256":"3a5a4fa3ca03b2d5482074c7c5be58835ad20f7cf00933755ea28ec9dd885cde","abstract_canon_sha256":"7824e5118cd7d708f7edbe8ed3b5d26c83971da3c77fec1e27252b5c41534962"},"schema_version":"1.0"},"canonical_sha256":"bd2c57c19542fc9405913764578e13803278eca341713d38462b3dd63048c454","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:31:01.995028Z","signature_b64":"phOtFjjKiB+XuJ+gW0Y8h026ua6WhZ2OKel5aHKZ9k5Ak+g5QlURexiBmmg8r8mINT6kyoRx0wHmtspXYc+RCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bd2c57c19542fc9405913764578e13803278eca341713d38462b3dd63048c454","last_reissued_at":"2026-05-18T04:31:01.991750Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:31:01.991750Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0408021","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":"2026-05-18T04:31:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DEOaPpXBQMKdgkJZusYsd495HpB9oMydokOGLgI86qI2ZUJXLGZJzxvs1FNKBKdiXs0INfy6BHGupoij/vhHDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T00:16:57.852477Z"},"content_sha256":"2238f4938ded71f5359050f97cb7083dc60554e8f23d377ebe0e974c53a9e8c1","schema_version":"1.0","event_id":"sha256:2238f4938ded71f5359050f97cb7083dc60554e8f23d377ebe0e974c53a9e8c1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:XUWFPQMVIL6JIBMRG5SFPDQTQA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Three-loop QCD corrections and b-quark decays","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Andrzej Czarnecki, John Paul Archambault","submitted_at":"2004-08-02T23:14:09Z","abstract_excerpt":"We present three-loop (NNNLO) corrections to the heavy-to-heavy quark transitions in the limit of equal initial and final quark masses. In analogy with the previously found NNLO corrections, the bulk of the result is due to the beta_0^2 alpha_s^3 corrections. The remaining genuine three-loop effects for the semileptonic b --> c decays are estimated to increase the decay amplitude by 0.2(2)%. The perturbative series for the heavy-heavy axial current converges very well."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0408021","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":"2026-05-18T04:31:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"98K5EbTtfr298gykVgRiDJJzKH5ipsoJw2iN0yFWm2pNoFCa32mntGjCY28fyo855+rhpVGIjK8zEjyPPolOCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T00:16:57.853176Z"},"content_sha256":"e576253c48e5e3527ccc0bcb4a26ac6ad7b03f221bcb9d2faa6f5381a20389c2","schema_version":"1.0","event_id":"sha256:e576253c48e5e3527ccc0bcb4a26ac6ad7b03f221bcb9d2faa6f5381a20389c2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XUWFPQMVIL6JIBMRG5SFPDQTQA/bundle.json","state_url":"https://pith.science/pith/XUWFPQMVIL6JIBMRG5SFPDQTQA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XUWFPQMVIL6JIBMRG5SFPDQTQA/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":"2026-05-24T00:16:57Z","links":{"resolver":"https://pith.science/pith/XUWFPQMVIL6JIBMRG5SFPDQTQA","bundle":"https://pith.science/pith/XUWFPQMVIL6JIBMRG5SFPDQTQA/bundle.json","state":"https://pith.science/pith/XUWFPQMVIL6JIBMRG5SFPDQTQA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XUWFPQMVIL6JIBMRG5SFPDQTQA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:XUWFPQMVIL6JIBMRG5SFPDQTQA","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":"7824e5118cd7d708f7edbe8ed3b5d26c83971da3c77fec1e27252b5c41534962","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2004-08-02T23:14:09Z","title_canon_sha256":"3a5a4fa3ca03b2d5482074c7c5be58835ad20f7cf00933755ea28ec9dd885cde"},"schema_version":"1.0","source":{"id":"hep-ph/0408021","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0408021","created_at":"2026-05-18T04:31:01Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0408021v1","created_at":"2026-05-18T04:31:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0408021","created_at":"2026-05-18T04:31:01Z"},{"alias_kind":"pith_short_12","alias_value":"XUWFPQMVIL6J","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"XUWFPQMVIL6JIBMR","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"XUWFPQMV","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:e576253c48e5e3527ccc0bcb4a26ac6ad7b03f221bcb9d2faa6f5381a20389c2","target":"graph","created_at":"2026-05-18T04:31:01Z","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":"We present three-loop (NNNLO) corrections to the heavy-to-heavy quark transitions in the limit of equal initial and final quark masses. In analogy with the previously found NNLO corrections, the bulk of the result is due to the beta_0^2 alpha_s^3 corrections. The remaining genuine three-loop effects for the semileptonic b --> c decays are estimated to increase the decay amplitude by 0.2(2)%. The perturbative series for the heavy-heavy axial current converges very well.","authors_text":"Andrzej Czarnecki, John Paul Archambault","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2004-08-02T23:14:09Z","title":"Three-loop QCD corrections and b-quark decays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0408021","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":"sha256:2238f4938ded71f5359050f97cb7083dc60554e8f23d377ebe0e974c53a9e8c1","target":"record","created_at":"2026-05-18T04:31:01Z","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":"7824e5118cd7d708f7edbe8ed3b5d26c83971da3c77fec1e27252b5c41534962","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2004-08-02T23:14:09Z","title_canon_sha256":"3a5a4fa3ca03b2d5482074c7c5be58835ad20f7cf00933755ea28ec9dd885cde"},"schema_version":"1.0","source":{"id":"hep-ph/0408021","kind":"arxiv","version":1}},"canonical_sha256":"bd2c57c19542fc9405913764578e13803278eca341713d38462b3dd63048c454","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bd2c57c19542fc9405913764578e13803278eca341713d38462b3dd63048c454","first_computed_at":"2026-05-18T04:31:01.991750Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:31:01.991750Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"phOtFjjKiB+XuJ+gW0Y8h026ua6WhZ2OKel5aHKZ9k5Ak+g5QlURexiBmmg8r8mINT6kyoRx0wHmtspXYc+RCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:31:01.995028Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0408021","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2238f4938ded71f5359050f97cb7083dc60554e8f23d377ebe0e974c53a9e8c1","sha256:e576253c48e5e3527ccc0bcb4a26ac6ad7b03f221bcb9d2faa6f5381a20389c2"],"state_sha256":"939ade100bd59d5e02ff825e339ed95e8d7f5b14248da14f64e660ab16bf76e5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OydHZStDgT+hrwuVTpEKx3+biM0oChQ/gog5S2MOHIZuT2CyntsV7CODjVuyQM/t0JPlVMdZnDzTjkv6Q9EwCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T00:16:57.857222Z","bundle_sha256":"5cbe6dd93e50b5c68a229d565a52199924fccf4837f5ea91aeb5751a8b255ab9"}}