{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:NBM4FJMEADVSXQL37XVFCPD6NG","short_pith_number":"pith:NBM4FJME","canonical_record":{"source":{"id":"1212.0586","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-12-03T23:25:23Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"78739e79d3e432cbef0048a5fb4374c28c7a1646cf73aaf9e2facb37ed27f066","abstract_canon_sha256":"6722178d429791e6504618a775579b10c8b415ccb00ba043561be954107d48a3"},"schema_version":"1.0"},"canonical_sha256":"6859c2a58400eb2bc17bfdea513c7e69a98fad27a4bb10424a04505cf2356b1d","source":{"kind":"arxiv","id":"1212.0586","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.0586","created_at":"2026-05-18T03:39:15Z"},{"alias_kind":"arxiv_version","alias_value":"1212.0586v1","created_at":"2026-05-18T03:39:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.0586","created_at":"2026-05-18T03:39:15Z"},{"alias_kind":"pith_short_12","alias_value":"NBM4FJMEADVS","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"NBM4FJMEADVSXQL3","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"NBM4FJME","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:NBM4FJMEADVSXQL37XVFCPD6NG","target":"record","payload":{"canonical_record":{"source":{"id":"1212.0586","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-12-03T23:25:23Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"78739e79d3e432cbef0048a5fb4374c28c7a1646cf73aaf9e2facb37ed27f066","abstract_canon_sha256":"6722178d429791e6504618a775579b10c8b415ccb00ba043561be954107d48a3"},"schema_version":"1.0"},"canonical_sha256":"6859c2a58400eb2bc17bfdea513c7e69a98fad27a4bb10424a04505cf2356b1d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:39:15.692749Z","signature_b64":"5UJTQuWLgvtVX40SnauF5jOJd9v+1slaZQXtRtJtxBOoww0Or/xK/OBajgKw25NA4zEHlZSy9aM8YA8UHDlzDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6859c2a58400eb2bc17bfdea513c7e69a98fad27a4bb10424a04505cf2356b1d","last_reissued_at":"2026-05-18T03:39:15.691837Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:39:15.691837Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.0586","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":"2026-05-18T03:39:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NSJ0vdL6S5zztK17mObhNViu2+iu1+qbEZCTYqOf0Xs45SxEtOj1mnp/mnqMv8nXRDwAgw3TlF0Oh07oW/vGCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:39:54.551534Z"},"content_sha256":"b31c13337fe25080577fa6a475678b7750187ed7da4ed7f6b36e29a434926659","schema_version":"1.0","event_id":"sha256:b31c13337fe25080577fa6a475678b7750187ed7da4ed7f6b36e29a434926659"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:NBM4FJMEADVSXQL37XVFCPD6NG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Precise Determinations of the Decay Constants of B and D mesons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"Chris Monahan, Christine Davies, Eduardo Follana, Heechang Na, Junko Shigemitsu, Peter Lepage, Ron Horgan","submitted_at":"2012-12-03T23:25:23Z","abstract_excerpt":"Recently we studied the B, Bs, D and Ds meson decay constants using various treatments for the heavy quark. For B mesons, we determined fB, fBs, and fBs/fB with NRQCD bottom quarks. We then combined the ratio fBs/fB and another very precise determination from HPQCD for fBs using heavy HISQ quarks, and extracted fB with 2% total errors. We also calculated fD, fDs, and fDs/fD using HISQ charm quarks. Here we review our results and briefly discuss their implications for the determination of the CKM matrix elements |Vcd| and |Vcs|."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.0586","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":"2026-05-18T03:39:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QPVvGa99j7Ol0VrIjFjPJgT6DKH4JaMKzV+8IiMr4s/2oyDc6p2G8VK+5HPPsU4aok1o+TETfNC8VmC/osghDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:39:54.552216Z"},"content_sha256":"6d63498d9f700e00540b33e314548346f5dd3ba1960f581d1d0c0ec87e9d1de4","schema_version":"1.0","event_id":"sha256:6d63498d9f700e00540b33e314548346f5dd3ba1960f581d1d0c0ec87e9d1de4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NBM4FJMEADVSXQL37XVFCPD6NG/bundle.json","state_url":"https://pith.science/pith/NBM4FJMEADVSXQL37XVFCPD6NG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NBM4FJMEADVSXQL37XVFCPD6NG/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":"2026-05-26T20:39:54Z","links":{"resolver":"https://pith.science/pith/NBM4FJMEADVSXQL37XVFCPD6NG","bundle":"https://pith.science/pith/NBM4FJMEADVSXQL37XVFCPD6NG/bundle.json","state":"https://pith.science/pith/NBM4FJMEADVSXQL37XVFCPD6NG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NBM4FJMEADVSXQL37XVFCPD6NG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:NBM4FJMEADVSXQL37XVFCPD6NG","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":"6722178d429791e6504618a775579b10c8b415ccb00ba043561be954107d48a3","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-12-03T23:25:23Z","title_canon_sha256":"78739e79d3e432cbef0048a5fb4374c28c7a1646cf73aaf9e2facb37ed27f066"},"schema_version":"1.0","source":{"id":"1212.0586","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.0586","created_at":"2026-05-18T03:39:15Z"},{"alias_kind":"arxiv_version","alias_value":"1212.0586v1","created_at":"2026-05-18T03:39:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.0586","created_at":"2026-05-18T03:39:15Z"},{"alias_kind":"pith_short_12","alias_value":"NBM4FJMEADVS","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"NBM4FJMEADVSXQL3","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"NBM4FJME","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:6d63498d9f700e00540b33e314548346f5dd3ba1960f581d1d0c0ec87e9d1de4","target":"graph","created_at":"2026-05-18T03:39:15Z","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":"Recently we studied the B, Bs, D and Ds meson decay constants using various treatments for the heavy quark. For B mesons, we determined fB, fBs, and fBs/fB with NRQCD bottom quarks. We then combined the ratio fBs/fB and another very precise determination from HPQCD for fBs using heavy HISQ quarks, and extracted fB with 2% total errors. We also calculated fD, fDs, and fDs/fD using HISQ charm quarks. Here we review our results and briefly discuss their implications for the determination of the CKM matrix elements |Vcd| and |Vcs|.","authors_text":"Chris Monahan, Christine Davies, Eduardo Follana, Heechang Na, Junko Shigemitsu, Peter Lepage, Ron Horgan","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-12-03T23:25:23Z","title":"Precise Determinations of the Decay Constants of B and D mesons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.0586","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:b31c13337fe25080577fa6a475678b7750187ed7da4ed7f6b36e29a434926659","target":"record","created_at":"2026-05-18T03:39:15Z","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":"6722178d429791e6504618a775579b10c8b415ccb00ba043561be954107d48a3","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-12-03T23:25:23Z","title_canon_sha256":"78739e79d3e432cbef0048a5fb4374c28c7a1646cf73aaf9e2facb37ed27f066"},"schema_version":"1.0","source":{"id":"1212.0586","kind":"arxiv","version":1}},"canonical_sha256":"6859c2a58400eb2bc17bfdea513c7e69a98fad27a4bb10424a04505cf2356b1d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6859c2a58400eb2bc17bfdea513c7e69a98fad27a4bb10424a04505cf2356b1d","first_computed_at":"2026-05-18T03:39:15.691837Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:39:15.691837Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5UJTQuWLgvtVX40SnauF5jOJd9v+1slaZQXtRtJtxBOoww0Or/xK/OBajgKw25NA4zEHlZSy9aM8YA8UHDlzDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:39:15.692749Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.0586","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b31c13337fe25080577fa6a475678b7750187ed7da4ed7f6b36e29a434926659","sha256:6d63498d9f700e00540b33e314548346f5dd3ba1960f581d1d0c0ec87e9d1de4"],"state_sha256":"0ff0cec925335db30f89b69cc3db789437597390bba1a61ebeff005617b301cf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oNh1AI/FqBpSZs+a8cJ05IcoKhUQk+PYARiVKksJQpbDA7RMAgidHk0g+abXovXr9jg018bOGUKpxUoBR6/uAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T20:39:54.558451Z","bundle_sha256":"695d4e0968f9ed8c5d6694d009020d02899865b467b8ab8adefefc6107d8ed8e"}}