{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:EXIOYCGL3ERVQCEDJURKTNSGR2","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":"1cbf128887608724d73a058e2121ae9412095474ad34e3de12907882ea4e56e3","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2016-11-07T11:04:15Z","title_canon_sha256":"4f29d25142b7eb6e14208f7e7496a4a83523e48ff845fd81b36513f07e9362c8"},"schema_version":"1.0","source":{"id":"1611.01987","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.01987","created_at":"2026-05-18T01:00:04Z"},{"alias_kind":"arxiv_version","alias_value":"1611.01987v1","created_at":"2026-05-18T01:00:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.01987","created_at":"2026-05-18T01:00:04Z"},{"alias_kind":"pith_short_12","alias_value":"EXIOYCGL3ERV","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"EXIOYCGL3ERVQCED","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"EXIOYCGL","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:976aba5b8975b343ff2071ee4ab42c284538188404c43c2fdce200356047c2dc","target":"graph","created_at":"2026-05-18T01:00:04Z","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 calculate semileptonic form factors for the decays $B_c \\to \\eta_c \\, l \\nu$ and $B_c \\to J/\\psi \\, l \\nu$ over the entire $q^2$ range, using a highly improved lattice quark action for charm at several lattice spacings down to $a=0.045$ fm. We have two ways of treating the $b$ quark: either with an $O(\\alpha_s)$ improved NRQCD formalism or by extrapolating a heavy mass $m_h$ to $m_b$ in the relativistic formalism. Comparison of the two approaches provides an important cross-check of methodologies in lattice QCD. Nonperturbative renormalisation of the currents in the relativistic theory also","authors_text":"Andrew Lytle, Brian Colquhoun, Christine Davies, Craig McNeile (HPQCD collaboration), Jonna Koponen","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2016-11-07T11:04:15Z","title":"$B_c$ decays from highly improved staggered quarks and NRQCD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.01987","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":"sha256:4fbb94af0fde3138c5e2fa35f3dc25f0eb957ca3081145329cf4e83d7096be5f","target":"record","created_at":"2026-05-18T01:00:04Z","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":"1cbf128887608724d73a058e2121ae9412095474ad34e3de12907882ea4e56e3","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2016-11-07T11:04:15Z","title_canon_sha256":"4f29d25142b7eb6e14208f7e7496a4a83523e48ff845fd81b36513f07e9362c8"},"schema_version":"1.0","source":{"id":"1611.01987","kind":"arxiv","version":1}},"canonical_sha256":"25d0ec08cbd9235808834d22a9b6468ea0255ec39937169538d0b670ef506690","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"25d0ec08cbd9235808834d22a9b6468ea0255ec39937169538d0b670ef506690","first_computed_at":"2026-05-18T01:00:04.033615Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:00:04.033615Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kUar+WTgyzf4frkxCKifBw7UctAfpB2Ebmpbh/A0CX7pnSjkgjH5mTnsQWhs+CaYK4KzjMRRehXtyz0DcIVHBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:00:04.034328Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.01987","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4fbb94af0fde3138c5e2fa35f3dc25f0eb957ca3081145329cf4e83d7096be5f","sha256:976aba5b8975b343ff2071ee4ab42c284538188404c43c2fdce200356047c2dc"],"state_sha256":"d9236ced14a1a0ec74738aa7f90eff031a6ed21da5f432722de1f1f7417bf2ab"}