{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:LD5MQ7ZBRZVGRTDUU4BLK65N2T","short_pith_number":"pith:LD5MQ7ZB","canonical_record":{"source":{"id":"hep-ph/9508250","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1995-08-07T17:17:53Z","cross_cats_sorted":[],"title_canon_sha256":"073448b33e4ce7321cb151a536afb4d375d46eebac9961980fb3cc47c7c460d3","abstract_canon_sha256":"0dc65500fb329b3f2ec951766246712a89c92c0c8c2324856ee034f373079565"},"schema_version":"1.0"},"canonical_sha256":"58fac87f218e6a68cc74a702b57badd4ecf43073c79160073f6f6ec78571812d","source":{"kind":"arxiv","id":"hep-ph/9508250","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9508250","created_at":"2026-07-04T15:27:21Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9508250v1","created_at":"2026-07-04T15:27:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9508250","created_at":"2026-07-04T15:27:21Z"},{"alias_kind":"pith_short_12","alias_value":"LD5MQ7ZBRZVG","created_at":"2026-07-04T15:27:21Z"},{"alias_kind":"pith_short_16","alias_value":"LD5MQ7ZBRZVGRTDU","created_at":"2026-07-04T15:27:21Z"},{"alias_kind":"pith_short_8","alias_value":"LD5MQ7ZB","created_at":"2026-07-04T15:27:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:LD5MQ7ZBRZVGRTDUU4BLK65N2T","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9508250","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1995-08-07T17:17:53Z","cross_cats_sorted":[],"title_canon_sha256":"073448b33e4ce7321cb151a536afb4d375d46eebac9961980fb3cc47c7c460d3","abstract_canon_sha256":"0dc65500fb329b3f2ec951766246712a89c92c0c8c2324856ee034f373079565"},"schema_version":"1.0"},"canonical_sha256":"58fac87f218e6a68cc74a702b57badd4ecf43073c79160073f6f6ec78571812d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:27:21.291552Z","signature_b64":"P1kkBjd8kU1wOugG9iTcCrO+iJWhee/DApGPHKVb6pwMIiqQ29AL9C6MMmoqvqByNSn6HdStWqrwgk91ryFnDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58fac87f218e6a68cc74a702b57badd4ecf43073c79160073f6f6ec78571812d","last_reissued_at":"2026-07-04T15:27:21.291071Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:27:21.291071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9508250","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":"2026-07-04T15:27:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DWIBoKBNpz1wi7hLLlXy1GpOs2Rubm3q0DMTF4qgjByGSQ7FPpMaVgTVbAzF2s6/+5UmOItLlC0IEJU6ysorAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T17:37:57.095665Z"},"content_sha256":"ef1252fe21189d8be026b04aed24b03ded39074a1f58a9be06e3e9ab806c42f5","schema_version":"1.0","event_id":"sha256:ef1252fe21189d8be026b04aed24b03ded39074a1f58a9be06e3e9ab806c42f5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:LD5MQ7ZBRZVGRTDUU4BLK65N2T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Leptonic and Semileptonic Decays of Charm and Bottom Hadrons","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Jeffrey D. Richman (University of California, Patricia R. Burchat (Stanford University), Santa Barbara)","submitted_at":"1995-08-07T17:17:53Z","abstract_excerpt":"We review the experimental measurements and theoretical descriptions of leptonic and semileptonic decays of particles containing a single heavy quark, either charm or bottom. Measurements of bottom semileptonic decays are used to determine the magnitudes of two fundamental parameters of the standard model, the Cabibbo-Kobayashi-Maskawa matrix elements $V_{cb}$ and $V_{ub}$. These parameters are connected with the physics of quark flavor and mass, and they have important implications for the breakdown of CP symmetry. To extract precise values of $|V_{cb}|$ and $|V_{ub}|$ from measurements, howe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9508250","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/9508250/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":"2026-07-04T15:27:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xsCpgymOpQzKruGF1GCqTOhkqJ/7MVYfZY0wS24MfBu6x84gBYPXQ5n/O6cqXtgVeec4eJr9hKy3xS94VnYEAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T17:37:57.096255Z"},"content_sha256":"3221a1900272372b467f9b5d39f3ea591133e12f701ce13cf19abb92c29d93f7","schema_version":"1.0","event_id":"sha256:3221a1900272372b467f9b5d39f3ea591133e12f701ce13cf19abb92c29d93f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LD5MQ7ZBRZVGRTDUU4BLK65N2T/bundle.json","state_url":"https://pith.science/pith/LD5MQ7ZBRZVGRTDUU4BLK65N2T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LD5MQ7ZBRZVGRTDUU4BLK65N2T/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":"2026-08-15T17:37:57Z","links":{"resolver":"https://pith.science/pith/LD5MQ7ZBRZVGRTDUU4BLK65N2T","bundle":"https://pith.science/pith/LD5MQ7ZBRZVGRTDUU4BLK65N2T/bundle.json","state":"https://pith.science/pith/LD5MQ7ZBRZVGRTDUU4BLK65N2T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LD5MQ7ZBRZVGRTDUU4BLK65N2T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:LD5MQ7ZBRZVGRTDUU4BLK65N2T","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":"0dc65500fb329b3f2ec951766246712a89c92c0c8c2324856ee034f373079565","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1995-08-07T17:17:53Z","title_canon_sha256":"073448b33e4ce7321cb151a536afb4d375d46eebac9961980fb3cc47c7c460d3"},"schema_version":"1.0","source":{"id":"hep-ph/9508250","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9508250","created_at":"2026-07-04T15:27:21Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9508250v1","created_at":"2026-07-04T15:27:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9508250","created_at":"2026-07-04T15:27:21Z"},{"alias_kind":"pith_short_12","alias_value":"LD5MQ7ZBRZVG","created_at":"2026-07-04T15:27:21Z"},{"alias_kind":"pith_short_16","alias_value":"LD5MQ7ZBRZVGRTDU","created_at":"2026-07-04T15:27:21Z"},{"alias_kind":"pith_short_8","alias_value":"LD5MQ7ZB","created_at":"2026-07-04T15:27:21Z"}],"graph_snapshots":[{"event_id":"sha256:3221a1900272372b467f9b5d39f3ea591133e12f701ce13cf19abb92c29d93f7","target":"graph","created_at":"2026-07-04T15:27:21Z","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/9508250/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We review the experimental measurements and theoretical descriptions of leptonic and semileptonic decays of particles containing a single heavy quark, either charm or bottom. Measurements of bottom semileptonic decays are used to determine the magnitudes of two fundamental parameters of the standard model, the Cabibbo-Kobayashi-Maskawa matrix elements $V_{cb}$ and $V_{ub}$. These parameters are connected with the physics of quark flavor and mass, and they have important implications for the breakdown of CP symmetry. To extract precise values of $|V_{cb}|$ and $|V_{ub}|$ from measurements, howe","authors_text":"Jeffrey D. Richman (University of California, Patricia R. Burchat (Stanford University), Santa Barbara)","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1995-08-07T17:17:53Z","title":"Leptonic and Semileptonic Decays of Charm and Bottom Hadrons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9508250","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:ef1252fe21189d8be026b04aed24b03ded39074a1f58a9be06e3e9ab806c42f5","target":"record","created_at":"2026-07-04T15:27:21Z","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":"0dc65500fb329b3f2ec951766246712a89c92c0c8c2324856ee034f373079565","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1995-08-07T17:17:53Z","title_canon_sha256":"073448b33e4ce7321cb151a536afb4d375d46eebac9961980fb3cc47c7c460d3"},"schema_version":"1.0","source":{"id":"hep-ph/9508250","kind":"arxiv","version":1}},"canonical_sha256":"58fac87f218e6a68cc74a702b57badd4ecf43073c79160073f6f6ec78571812d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58fac87f218e6a68cc74a702b57badd4ecf43073c79160073f6f6ec78571812d","first_computed_at":"2026-07-04T15:27:21.291071Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:27:21.291071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P1kkBjd8kU1wOugG9iTcCrO+iJWhee/DApGPHKVb6pwMIiqQ29AL9C6MMmoqvqByNSn6HdStWqrwgk91ryFnDw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:27:21.291552Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9508250","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef1252fe21189d8be026b04aed24b03ded39074a1f58a9be06e3e9ab806c42f5","sha256:3221a1900272372b467f9b5d39f3ea591133e12f701ce13cf19abb92c29d93f7"],"state_sha256":"a66325bcbb079725aff290fb77275d2b14c07b60d401b401f89abf757e054a5c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3do9ldWGzJcZrOUeh/uFdCbfqxAUVuNxir6xSkSCExY5N9KNgX0SgJTAbSAbx4uI2mvvxzIP/2o7jfXcS3DzDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T17:37:57.100058Z","bundle_sha256":"5dd2fe58e16521c634d4f12295117e4b791d3b2c16baaf4f296e9eb6782ea1e4"}}