{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ZLHAHJGNZUM37QF7YYTB3T5IA4","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":"512fc9a9b0be24665c0da1df2ea31fc83f4cbca22597a56daf4c6e0b8e9fc2f0","cross_cats_sorted":["hep-ex","hep-lat","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-07-08T00:43:27Z","title_canon_sha256":"e7e56133cac6dde067f6883233424d90bb46f1a1619971f992b9d8722a2f3ba4"},"schema_version":"1.0","source":{"id":"1807.02730","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.02730","created_at":"2026-05-18T00:03:04Z"},{"alias_kind":"arxiv_version","alias_value":"1807.02730v4","created_at":"2026-05-18T00:03:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.02730","created_at":"2026-05-18T00:03:04Z"},{"alias_kind":"pith_short_12","alias_value":"ZLHAHJGNZUM3","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZLHAHJGNZUM37QF7","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZLHAHJGN","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:560b8811b0b70da73a569f139d390d85449fefccad9a27ffb39f3b21c0a18216","target":"graph","created_at":"2026-05-18T00:03:04Z","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 present a model-independent bound on $R(J/\\psi) \\! \\equiv \\! \\mathcal{BR} (B_c^+ \\rightarrow J/\\psi \\, \\tau^+\\nu_\\tau)/ \\mathcal{BR} (B_c^+ \\rightarrow J/\\psi \\, \\mu^+\\nu_\\mu)$. This bound is constructed by constraining the form factors through a combination of dispersive relations, heavy-quark relations at zero-recoil, and the limited existing determinations from lattice QCD. The resulting 95\\% confidence-level bound, $0.20\\leq R(J/\\psi)\\leq0.39$, agrees with the recent LHCb result at $1.3 \\, \\sigma$, and rules out some previously suggested model form factors.","authors_text":"Henry Lamm, Richard F. Lebed, Thomas D. Cohen","cross_cats":["hep-ex","hep-lat","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-07-08T00:43:27Z","title":"Model-Independent Bounds on $R(J/\\psi)$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.02730","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":"sha256:9b4ce187c926ee59b15fd65bd0992e279b2a7e915b842096b3aba70385620ca8","target":"record","created_at":"2026-05-18T00:03:04Z","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":"512fc9a9b0be24665c0da1df2ea31fc83f4cbca22597a56daf4c6e0b8e9fc2f0","cross_cats_sorted":["hep-ex","hep-lat","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-07-08T00:43:27Z","title_canon_sha256":"e7e56133cac6dde067f6883233424d90bb46f1a1619971f992b9d8722a2f3ba4"},"schema_version":"1.0","source":{"id":"1807.02730","kind":"arxiv","version":4}},"canonical_sha256":"cace03a4cdcd19bfc0bfc6261dcfa80700a7e9add924f10cc7ff0701cdfd43ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cace03a4cdcd19bfc0bfc6261dcfa80700a7e9add924f10cc7ff0701cdfd43ee","first_computed_at":"2026-05-18T00:03:04.722461Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:04.722461Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hFKXBJ3AubiXcpJarwBOBrVVP86Gggf4xo25puU7mYWye3qsFGysPxCgRMhKXxt72PGoVhYUDnG+NsFAPcOcDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:04.722886Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.02730","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9b4ce187c926ee59b15fd65bd0992e279b2a7e915b842096b3aba70385620ca8","sha256:560b8811b0b70da73a569f139d390d85449fefccad9a27ffb39f3b21c0a18216"],"state_sha256":"c3b2f2756f96d800c82a04882b8f4c0690e882d14d58bf7cf6fe4db5fba6637f"}