{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:M4XWN777LC4CRTZOVEEVOIAQUS","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":"c34f96bd8c1a71af7cf521198b7f7a26fa84c9e8d79b8b3764e53f3c4eb023b9","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2020-01-15T23:06:42Z","title_canon_sha256":"4f25508b4cc8c7f771c8ae9f5b444739cd3b87842173d4331a8ce583083c04bc"},"schema_version":"1.0","source":{"id":"2001.05590","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.05590","created_at":"2026-07-05T03:07:18Z"},{"alias_kind":"arxiv_version","alias_value":"2001.05590v4","created_at":"2026-07-05T03:07:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.05590","created_at":"2026-07-05T03:07:18Z"},{"alias_kind":"pith_short_12","alias_value":"M4XWN777LC4C","created_at":"2026-07-05T03:07:18Z"},{"alias_kind":"pith_short_16","alias_value":"M4XWN777LC4CRTZO","created_at":"2026-07-05T03:07:18Z"},{"alias_kind":"pith_short_8","alias_value":"M4XWN777","created_at":"2026-07-05T03:07:18Z"}],"graph_snapshots":[{"event_id":"sha256:748aed469ec6bf7dfeafdbeb6a77c3709eb787afff2812b1b184f396a0e1511c","target":"graph","created_at":"2026-07-05T03:07:18Z","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/2001.05590/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The CKM matrix elements $V_{cb}$ and $V_{ub}$ can be obtained by combining data from the experiments with lattice QCD results for the semi-leptonic form factors for the $\\bar{B} \\to D^\\ast \\ell \\bar{\\nu}$ and $\\bar{B} \\to \\pi \\ell \\bar{\\nu}$ decays.\n  It is highly desirable to use the Oktay-Kronfeld (OK) action for the form factor calculation on the lattice, since the OK action is designed to reduce the heavy quark discretization error down to the $\\mathcal{O}(\\lambda^4)$ level in the power counting rules of the heavy quark effective theory (HQET).\n  Here, we present a matching calculation to ","authors_text":"Jaehoon Leem (LANL-SWME Collaboration), Jon A. Bailey, Sunkyu Lee, Weonjong Lee, Yong-Chull Jang","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2020-01-15T23:06:42Z","title":"Improvement of heavy-heavy and heavy-light currents with the Oktay-Kronfeld action"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.05590","kind":"arxiv","version":4},"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:ed0acef0ec28eeb52cceb243a446fa695ac90a987f28474a401192b24d48516e","target":"record","created_at":"2026-07-05T03:07:18Z","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":"c34f96bd8c1a71af7cf521198b7f7a26fa84c9e8d79b8b3764e53f3c4eb023b9","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2020-01-15T23:06:42Z","title_canon_sha256":"4f25508b4cc8c7f771c8ae9f5b444739cd3b87842173d4331a8ce583083c04bc"},"schema_version":"1.0","source":{"id":"2001.05590","kind":"arxiv","version":4}},"canonical_sha256":"672f66ffff58b828cf2ea909572010a4a507784db2e74c209b6e42d99fbc4793","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"672f66ffff58b828cf2ea909572010a4a507784db2e74c209b6e42d99fbc4793","first_computed_at":"2026-07-05T03:07:18.571139Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:07:18.571139Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zLT/kOQYSEhk3WGkqgZmwQrGcRLh10OIU0f9fCQ3l+FD98AFuT5P4TTLxaLDBTQl4Qtvjv3bEAuBfsDGpDfhCw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:07:18.571504Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.05590","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ed0acef0ec28eeb52cceb243a446fa695ac90a987f28474a401192b24d48516e","sha256:748aed469ec6bf7dfeafdbeb6a77c3709eb787afff2812b1b184f396a0e1511c"],"state_sha256":"a9531e73198ed28975ca87527849cb678f3631681b1e91fd572d394e68975232"}