{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:52BNHTGEVOR2IVMOOBXR74FUMQ","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":"a17eb2b5867541bf0905afe3a29fc52017eb69ee82e48bfd3f023004af487571","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2020-07-16T10:09:38Z","title_canon_sha256":"9f49600efd2c0f70cdee3093f7ef5f59adce8431178250c9ff16055d2be777ce"},"schema_version":"1.0","source":{"id":"2007.08234","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.08234","created_at":"2026-07-05T02:11:55Z"},{"alias_kind":"arxiv_version","alias_value":"2007.08234v2","created_at":"2026-07-05T02:11:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.08234","created_at":"2026-07-05T02:11:55Z"},{"alias_kind":"pith_short_12","alias_value":"52BNHTGEVOR2","created_at":"2026-07-05T02:11:55Z"},{"alias_kind":"pith_short_16","alias_value":"52BNHTGEVOR2IVMO","created_at":"2026-07-05T02:11:55Z"},{"alias_kind":"pith_short_8","alias_value":"52BNHTGE","created_at":"2026-07-05T02:11:55Z"}],"graph_snapshots":[{"event_id":"sha256:9e4044cb237b2082b9282d72ba8eac662edc067512351f730eff7c295b469a69","target":"graph","created_at":"2026-07-05T02:11:55Z","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/2007.08234/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The precise determination of the $B_c \\to \\tau\\nu_\\tau$ branching ratio provides an advantageous opportunity for understanding the electroweak structure of the Standard Model, measuring the CKM matrix element $|V_{cb}|$ and probing new physics models. In this paper, we discuss the potential of measuring the processes of $B_c \\to \\tau\\nu_\\tau$ with $\\tau$ decaying leptonically at the proposed Circular Electron Positron Collider (CEPC). We conclude that during the $Z$ pole operation, the channel signal can achieve five $\\sigma$ significance with $\\sim 10^9$ $Z$ decays, and the signal strength ac","authors_text":"Dan Yu, Ji Xu, Lu Cao, Manqi Ruan, Soeren Prell, Taifan Zheng, Wei Wang, Yeuk-Kwan E. Cheung","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2020-07-16T10:09:38Z","title":"Analysis of $B_c \\to \\tau\\nu_\\tau$ at CEPC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.08234","kind":"arxiv","version":2},"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":"sha256:63f4cff9c33eaa3718e7b2a27ee69f5ce70a96f71f118884cc20c88e09fc5252","target":"record","created_at":"2026-07-05T02:11:55Z","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":"a17eb2b5867541bf0905afe3a29fc52017eb69ee82e48bfd3f023004af487571","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2020-07-16T10:09:38Z","title_canon_sha256":"9f49600efd2c0f70cdee3093f7ef5f59adce8431178250c9ff16055d2be777ce"},"schema_version":"1.0","source":{"id":"2007.08234","kind":"arxiv","version":2}},"canonical_sha256":"ee82d3ccc4aba3a4558e706f1ff0b4641d472aaa67bc291be4ab921f0d124cfb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ee82d3ccc4aba3a4558e706f1ff0b4641d472aaa67bc291be4ab921f0d124cfb","first_computed_at":"2026-07-05T02:11:55.393418Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:11:55.393418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"72MopT24lKvGs4sjUwgjwJMJkq6uugbwgA7snDispjIDr951ia52MvsL76YlbsEmTbNtJLsDjrb/9J9EnISVDg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:11:55.394006Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.08234","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:63f4cff9c33eaa3718e7b2a27ee69f5ce70a96f71f118884cc20c88e09fc5252","sha256:9e4044cb237b2082b9282d72ba8eac662edc067512351f730eff7c295b469a69"],"state_sha256":"f9c0e35fc7566a79210d296c091b9d95375621223b6f1a9b4472400405a29760"}