{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:AD2TVPAVFCLO5ZI2KBQ5IYHAJ4","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":"40aa56a33e026e0c6ceed7ea037a2cac14afb3e7696a4f2606a1e172db048bd3","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"2004-09-15T11:05:44Z","title_canon_sha256":"7fbbf6fcb3262d5ae043185975fe630289b77f9f86a6aaadd215a36a2bf16e10"},"schema_version":"1.0","source":{"id":"hep-lat/0409090","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/0409090","created_at":"2026-05-18T04:26:12Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/0409090v1","created_at":"2026-05-18T04:26:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/0409090","created_at":"2026-05-18T04:26:12Z"},{"alias_kind":"pith_short_12","alias_value":"AD2TVPAVFCLO","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"AD2TVPAVFCLO5ZI2","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"AD2TVPAV","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:3fb59055706cd591b6f848200d10f9445a7c6f10e58f87e4677cf55ea225a219","target":"graph","created_at":"2026-05-18T04:26:12Z","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 perform a precise calculation of the mass of the B_c meson using unquenched configurations from the MILC collaboration including 2+1 flavours of improved staggered quarks. Lattice NRQCD and the Fermilab formalism are used to describe the b and c quarks respectively. We find the mass of the B_c meson to be 6.304(16) GeV","authors_text":"A.Gray, A.S. Kronfeld, C.T.H Davies, I. F. Allison, J.N. Simone, P.B. Mackenzie","cross_cats":[],"headline":"","license":"","primary_cat":"hep-lat","submitted_at":"2004-09-15T11:05:44Z","title":"A precise determination of the Bc mass from dynamical lattice QCD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/0409090","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":"sha256:9850b0cf04b6b0a62c79a4a2d0894779aac07c5b98f4451cecb34c40efb921a0","target":"record","created_at":"2026-05-18T04:26:12Z","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":"40aa56a33e026e0c6ceed7ea037a2cac14afb3e7696a4f2606a1e172db048bd3","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"2004-09-15T11:05:44Z","title_canon_sha256":"7fbbf6fcb3262d5ae043185975fe630289b77f9f86a6aaadd215a36a2bf16e10"},"schema_version":"1.0","source":{"id":"hep-lat/0409090","kind":"arxiv","version":1}},"canonical_sha256":"00f53abc152896eee51a5061d460e04f04a1aa91e35168138b37705b5de998e8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"00f53abc152896eee51a5061d460e04f04a1aa91e35168138b37705b5de998e8","first_computed_at":"2026-05-18T04:26:12.248453Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:12.248453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"n8dZFbKbZ9+yOTpQWqWC+Kz4bZ4WaOBD06fELxVg8I+yM0cwu7eNlR8nPkGsdl3/aPswvJ6XvRWAljACfV5pBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:12.248997Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-lat/0409090","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9850b0cf04b6b0a62c79a4a2d0894779aac07c5b98f4451cecb34c40efb921a0","sha256:3fb59055706cd591b6f848200d10f9445a7c6f10e58f87e4677cf55ea225a219"],"state_sha256":"9021ebed8b764ea7a380d0c934d63604d82f1511312f3264c211874d57abfba1"}