{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:I3X5LNXFACH2XWO2B67K2UWBLB","short_pith_number":"pith:I3X5LNXF","canonical_record":{"source":{"id":"2003.00914","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2020-03-02T13:42:16Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"14ded4f3983405ab4c99d2dcd6dcdc68808b12ef8528a2b0a541874802297db0","abstract_canon_sha256":"a893b459df5f33058f13c4f261feea61e92ab57ec311784b0960a7bf67e1fc63"},"schema_version":"1.0"},"canonical_sha256":"46efd5b6e5008fabd9da0fbead52c15849304f348e204f7a709fbe67d2807153","source":{"kind":"arxiv","id":"2003.00914","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.00914","created_at":"2026-07-05T02:29:53Z"},{"alias_kind":"arxiv_version","alias_value":"2003.00914v2","created_at":"2026-07-05T02:29:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.00914","created_at":"2026-07-05T02:29:53Z"},{"alias_kind":"pith_short_12","alias_value":"I3X5LNXFACH2","created_at":"2026-07-05T02:29:53Z"},{"alias_kind":"pith_short_16","alias_value":"I3X5LNXFACH2XWO2","created_at":"2026-07-05T02:29:53Z"},{"alias_kind":"pith_short_8","alias_value":"I3X5LNXF","created_at":"2026-07-05T02:29:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:I3X5LNXFACH2XWO2B67K2UWBLB","target":"record","payload":{"canonical_record":{"source":{"id":"2003.00914","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2020-03-02T13:42:16Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"14ded4f3983405ab4c99d2dcd6dcdc68808b12ef8528a2b0a541874802297db0","abstract_canon_sha256":"a893b459df5f33058f13c4f261feea61e92ab57ec311784b0960a7bf67e1fc63"},"schema_version":"1.0"},"canonical_sha256":"46efd5b6e5008fabd9da0fbead52c15849304f348e204f7a709fbe67d2807153","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:29:53.189780Z","signature_b64":"Ktor/d9LuWyvvKqTlhFhmkLLvFAmc4MVnokQfJlTrKH5PdTXLkib18RHpfHTuTSYZFw7JKbR13emOAah+5fFBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46efd5b6e5008fabd9da0fbead52c15849304f348e204f7a709fbe67d2807153","last_reissued_at":"2026-07-05T02:29:53.189298Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:29:53.189298Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2003.00914","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":"2026-07-05T02:29:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i9g+HCrQrikp5iu7PE5LSLJ5amFH0/BK6S6yq6TwYA+PkXcG6B7mFU3lWQTLWOoB2atXOYHfQbGgdh4aW67LCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:20:41.421701Z"},"content_sha256":"48d89720ccef463982a42dd6b01370355860e4f79a9dc0a236c342c232ee4469","schema_version":"1.0","event_id":"sha256:48d89720ccef463982a42dd6b01370355860e4f79a9dc0a236c342c232ee4469"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:I3X5LNXFACH2XWO2B67K2UWBLB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$B_c \\to B_{s(d)}$ form factors from lattice QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"Christine T. H. Davies, Javad Komijani, Judd Harrison, Laurence J. Cooper, Matthew Wingate","submitted_at":"2020-03-02T13:42:16Z","abstract_excerpt":"We present results of the first lattice QCD calculations of $B_c \\to B_s$ and $B_c \\to B_d$ weak matrix elements. Form factors across the entire physical $q^2$ range are then extracted and extrapolated to the physical-continuum limit before combining with CKM matrix elements to predict the semileptonic decay rates $\\Gamma(B_c^+ \\to B_s^0 \\overline{\\ell} \\nu_{\\ell}) = 26.2(1.2) \\times 10^9 \\,\\text{s}^{-1}$ and $\\Gamma(B_c^+ \\to B^0 \\overline{\\ell} \\nu_{\\ell}) = 1.65(10) \\times 10^9 \\,\\text{s}^{-1}$. The lattice QCD uncertainty is comparable to the CKM uncertainty here. Results are derived from "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.00914","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2003.00914/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":"2026-07-05T02:29:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tPzr3AycqZNtHtKQwbh/M2fgi/7lsBJ+glcsELsmBFRW+K52mHwRgWpr3+K5Y46deKJ27hQQVkidA9d7dMK0DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:20:41.422076Z"},"content_sha256":"ee055bbc7b88744f54fe0e6d3cf0b863f0b6ba427ab4a0eb28cf9b638110eb01","schema_version":"1.0","event_id":"sha256:ee055bbc7b88744f54fe0e6d3cf0b863f0b6ba427ab4a0eb28cf9b638110eb01"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I3X5LNXFACH2XWO2B67K2UWBLB/bundle.json","state_url":"https://pith.science/pith/I3X5LNXFACH2XWO2B67K2UWBLB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I3X5LNXFACH2XWO2B67K2UWBLB/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":"2026-07-06T17:20:41Z","links":{"resolver":"https://pith.science/pith/I3X5LNXFACH2XWO2B67K2UWBLB","bundle":"https://pith.science/pith/I3X5LNXFACH2XWO2B67K2UWBLB/bundle.json","state":"https://pith.science/pith/I3X5LNXFACH2XWO2B67K2UWBLB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I3X5LNXFACH2XWO2B67K2UWBLB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:I3X5LNXFACH2XWO2B67K2UWBLB","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":"a893b459df5f33058f13c4f261feea61e92ab57ec311784b0960a7bf67e1fc63","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2020-03-02T13:42:16Z","title_canon_sha256":"14ded4f3983405ab4c99d2dcd6dcdc68808b12ef8528a2b0a541874802297db0"},"schema_version":"1.0","source":{"id":"2003.00914","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.00914","created_at":"2026-07-05T02:29:53Z"},{"alias_kind":"arxiv_version","alias_value":"2003.00914v2","created_at":"2026-07-05T02:29:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.00914","created_at":"2026-07-05T02:29:53Z"},{"alias_kind":"pith_short_12","alias_value":"I3X5LNXFACH2","created_at":"2026-07-05T02:29:53Z"},{"alias_kind":"pith_short_16","alias_value":"I3X5LNXFACH2XWO2","created_at":"2026-07-05T02:29:53Z"},{"alias_kind":"pith_short_8","alias_value":"I3X5LNXF","created_at":"2026-07-05T02:29:53Z"}],"graph_snapshots":[{"event_id":"sha256:ee055bbc7b88744f54fe0e6d3cf0b863f0b6ba427ab4a0eb28cf9b638110eb01","target":"graph","created_at":"2026-07-05T02:29:53Z","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/2003.00914/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present results of the first lattice QCD calculations of $B_c \\to B_s$ and $B_c \\to B_d$ weak matrix elements. Form factors across the entire physical $q^2$ range are then extracted and extrapolated to the physical-continuum limit before combining with CKM matrix elements to predict the semileptonic decay rates $\\Gamma(B_c^+ \\to B_s^0 \\overline{\\ell} \\nu_{\\ell}) = 26.2(1.2) \\times 10^9 \\,\\text{s}^{-1}$ and $\\Gamma(B_c^+ \\to B^0 \\overline{\\ell} \\nu_{\\ell}) = 1.65(10) \\times 10^9 \\,\\text{s}^{-1}$. The lattice QCD uncertainty is comparable to the CKM uncertainty here. Results are derived from ","authors_text":"Christine T. H. Davies, Javad Komijani, Judd Harrison, Laurence J. Cooper, Matthew Wingate","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2020-03-02T13:42:16Z","title":"$B_c \\to B_{s(d)}$ form factors from lattice QCD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.00914","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":"sha256:48d89720ccef463982a42dd6b01370355860e4f79a9dc0a236c342c232ee4469","target":"record","created_at":"2026-07-05T02:29:53Z","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":"a893b459df5f33058f13c4f261feea61e92ab57ec311784b0960a7bf67e1fc63","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2020-03-02T13:42:16Z","title_canon_sha256":"14ded4f3983405ab4c99d2dcd6dcdc68808b12ef8528a2b0a541874802297db0"},"schema_version":"1.0","source":{"id":"2003.00914","kind":"arxiv","version":2}},"canonical_sha256":"46efd5b6e5008fabd9da0fbead52c15849304f348e204f7a709fbe67d2807153","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"46efd5b6e5008fabd9da0fbead52c15849304f348e204f7a709fbe67d2807153","first_computed_at":"2026-07-05T02:29:53.189298Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:29:53.189298Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ktor/d9LuWyvvKqTlhFhmkLLvFAmc4MVnokQfJlTrKH5PdTXLkib18RHpfHTuTSYZFw7JKbR13emOAah+5fFBg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:29:53.189780Z","signed_message":"canonical_sha256_bytes"},"source_id":"2003.00914","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:48d89720ccef463982a42dd6b01370355860e4f79a9dc0a236c342c232ee4469","sha256:ee055bbc7b88744f54fe0e6d3cf0b863f0b6ba427ab4a0eb28cf9b638110eb01"],"state_sha256":"f92714f6767689f308509081b5711181b1e5bb5897dde020b9d8f020c2ae36ba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZHel00tX2x/PLBQSJwsuXyXkPtv/w40EXbHpPX9LFdsemj8BEvnj4I5tEIGJMUFHavTkVIf/UkqZDHY/eJrjDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T17:20:41.424045Z","bundle_sha256":"312f4b51d839f21258d1606197913133780e9d9493cdcc5d0c60b122303188b8"}}