{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:HIAIOQZGIDRSLON62UJXCQPNCL","short_pith_number":"pith:HIAIOQZG","canonical_record":{"source":{"id":"hep-ph/9909423","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1999-09-17T16:08:39Z","cross_cats_sorted":[],"title_canon_sha256":"49e3a1a9f41ddd2fe5a2caab769e21d38224c45affff5510e1554d39be348169","abstract_canon_sha256":"7de355081ad9a7a8c0866ddd9c0f650b198a6d8d23e20445918ed5bd86298810"},"schema_version":"1.0"},"canonical_sha256":"3a0087432640e325b9bed5137141ed12d36781e459a2c7c17cc531bb745db3cb","source":{"kind":"arxiv","id":"hep-ph/9909423","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9909423","created_at":"2026-05-18T04:26:02Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9909423v1","created_at":"2026-05-18T04:26:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9909423","created_at":"2026-05-18T04:26:02Z"},{"alias_kind":"pith_short_12","alias_value":"HIAIOQZGIDRS","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"HIAIOQZGIDRSLON6","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"HIAIOQZG","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:HIAIOQZGIDRSLON62UJXCQPNCL","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9909423","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1999-09-17T16:08:39Z","cross_cats_sorted":[],"title_canon_sha256":"49e3a1a9f41ddd2fe5a2caab769e21d38224c45affff5510e1554d39be348169","abstract_canon_sha256":"7de355081ad9a7a8c0866ddd9c0f650b198a6d8d23e20445918ed5bd86298810"},"schema_version":"1.0"},"canonical_sha256":"3a0087432640e325b9bed5137141ed12d36781e459a2c7c17cc531bb745db3cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:02.990974Z","signature_b64":"Cyk0CH+VRV4QruecP1pnu7gZ0AfQ50YMPPRpZYE67UUFzhPmipIe5NsZiRjdkCnKsTym0cAVNDIJRyi1pghlDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a0087432640e325b9bed5137141ed12d36781e459a2c7c17cc531bb745db3cb","last_reissued_at":"2026-05-18T04:26:02.990502Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:02.990502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9909423","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":"2026-05-18T04:26:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9+R6bwknXtNq96N7G3D3gBbWNOZmlWnKnLhuEejYbDsZVvhPZbumiOkaw9tgOcFAYCWhEWl9sOP48AVQPqvfDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T20:52:26.083975Z"},"content_sha256":"4fb3782431a5d624001d25f0f8e6df7e18758fcaeba9ccb4d44507329a882944","schema_version":"1.0","event_id":"sha256:4fb3782431a5d624001d25f0f8e6df7e18758fcaeba9ccb4d44507329a882944"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:HIAIOQZGIDRSLON62UJXCQPNCL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Using Heavy Quark Spin Symmetry in Semileptonic $B_c$ Decays","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"F. De Fazio, P. Colangelo","submitted_at":"1999-09-17T16:08:39Z","abstract_excerpt":"The form factors parameterizing the B_c semileptonic matrix elements can be related to a few invariant functions if the decoupling of the spin of the heavy quarks in B_c and in the mesons produced in the semileptonic decays is exploited. We compute the form factors as overlap integral of the meson wave-functions obtained using a QCD relativistic potential model, and give predictions for semileptonic and non-leptonic B_c decay modes. We also discuss possible experimental tests of the heavy quark spin symmetry in B_c decays."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9909423","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":"2026-05-18T04:26:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8iL0oj/Nsga1v+ufOy8ezlrh1tcon6hqQcYCTBIF7EwCt1DotuYDJih7ItSm30He0CRHIwiIszEZ+/YId2+5Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T20:52:26.084342Z"},"content_sha256":"39d2bdf4f26912cf32f9b3166fd10358fb4c78077509e126d4630702ad42cbde","schema_version":"1.0","event_id":"sha256:39d2bdf4f26912cf32f9b3166fd10358fb4c78077509e126d4630702ad42cbde"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HIAIOQZGIDRSLON62UJXCQPNCL/bundle.json","state_url":"https://pith.science/pith/HIAIOQZGIDRSLON62UJXCQPNCL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HIAIOQZGIDRSLON62UJXCQPNCL/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":"2026-06-02T20:52:26Z","links":{"resolver":"https://pith.science/pith/HIAIOQZGIDRSLON62UJXCQPNCL","bundle":"https://pith.science/pith/HIAIOQZGIDRSLON62UJXCQPNCL/bundle.json","state":"https://pith.science/pith/HIAIOQZGIDRSLON62UJXCQPNCL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HIAIOQZGIDRSLON62UJXCQPNCL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:HIAIOQZGIDRSLON62UJXCQPNCL","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":"7de355081ad9a7a8c0866ddd9c0f650b198a6d8d23e20445918ed5bd86298810","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1999-09-17T16:08:39Z","title_canon_sha256":"49e3a1a9f41ddd2fe5a2caab769e21d38224c45affff5510e1554d39be348169"},"schema_version":"1.0","source":{"id":"hep-ph/9909423","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9909423","created_at":"2026-05-18T04:26:02Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9909423v1","created_at":"2026-05-18T04:26:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9909423","created_at":"2026-05-18T04:26:02Z"},{"alias_kind":"pith_short_12","alias_value":"HIAIOQZGIDRS","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"HIAIOQZGIDRSLON6","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"HIAIOQZG","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:39d2bdf4f26912cf32f9b3166fd10358fb4c78077509e126d4630702ad42cbde","target":"graph","created_at":"2026-05-18T04:26:02Z","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":"The form factors parameterizing the B_c semileptonic matrix elements can be related to a few invariant functions if the decoupling of the spin of the heavy quarks in B_c and in the mesons produced in the semileptonic decays is exploited. We compute the form factors as overlap integral of the meson wave-functions obtained using a QCD relativistic potential model, and give predictions for semileptonic and non-leptonic B_c decay modes. We also discuss possible experimental tests of the heavy quark spin symmetry in B_c decays.","authors_text":"F. De Fazio, P. Colangelo","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1999-09-17T16:08:39Z","title":"Using Heavy Quark Spin Symmetry in Semileptonic $B_c$ Decays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9909423","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":"sha256:4fb3782431a5d624001d25f0f8e6df7e18758fcaeba9ccb4d44507329a882944","target":"record","created_at":"2026-05-18T04:26:02Z","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":"7de355081ad9a7a8c0866ddd9c0f650b198a6d8d23e20445918ed5bd86298810","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1999-09-17T16:08:39Z","title_canon_sha256":"49e3a1a9f41ddd2fe5a2caab769e21d38224c45affff5510e1554d39be348169"},"schema_version":"1.0","source":{"id":"hep-ph/9909423","kind":"arxiv","version":1}},"canonical_sha256":"3a0087432640e325b9bed5137141ed12d36781e459a2c7c17cc531bb745db3cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3a0087432640e325b9bed5137141ed12d36781e459a2c7c17cc531bb745db3cb","first_computed_at":"2026-05-18T04:26:02.990502Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:02.990502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Cyk0CH+VRV4QruecP1pnu7gZ0AfQ50YMPPRpZYE67UUFzhPmipIe5NsZiRjdkCnKsTym0cAVNDIJRyi1pghlDw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:02.990974Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9909423","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4fb3782431a5d624001d25f0f8e6df7e18758fcaeba9ccb4d44507329a882944","sha256:39d2bdf4f26912cf32f9b3166fd10358fb4c78077509e126d4630702ad42cbde"],"state_sha256":"1cfee4fed8e44fd532ae40ba996aeb11ea9ac317189759f02cbe239de45bab55"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8W8bj8qNJqEOhumJjV+XzJuawaa3rxw/M1KPT8ylyfI9RQs6rvBINikRnO+d/oflf1V3twZVMybhCreuxwKQBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T20:52:26.086340Z","bundle_sha256":"cd77ab522faad5a2e0224e55385993b1c48ab4d639f312eaf80f2db17c591353"}}