{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HGUARMLQYC5PHWRXMLDWOCCFRR","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":"7bfe888a08d62cbb036d8eca39ee8c370bee05b733a8cd91c3a243ef00d54460","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-05-15T14:25:15Z","title_canon_sha256":"9cdba5a1cfb0ae2f5395b7ec3fb2baa9b4d001a64b6ddbdf99706959dd126896"},"schema_version":"1.0","source":{"id":"1805.05800","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.05800","created_at":"2026-05-18T00:13:25Z"},{"alias_kind":"arxiv_version","alias_value":"1805.05800v1","created_at":"2026-05-18T00:13:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.05800","created_at":"2026-05-18T00:13:25Z"},{"alias_kind":"pith_short_12","alias_value":"HGUARMLQYC5P","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HGUARMLQYC5PHWRX","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HGUARMLQ","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:01619d1b001c0176c98424fef3a4593351a4386442685757b4f27e98b4c95df6","target":"graph","created_at":"2026-05-18T00:13:25Z","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":"The half-life of the $^{20}$F ground state has been measured using a radioactive beam implanted in a plastic scintillator and recording $\\beta\\gamma$ coincidences together with four CsI(Na) detectors. The result, $T_{1/2} = 11.0011(69)_{\\rm stat}(30)_{\\rm sys}$~s, is at variance by 17 combined standard deviations with the two most precise results. The present value revives the poor consistency of results for this half-life and calls for a new measurement, with a technique having different sources of systematic effects, to clarify the discrepancy.","authors_text":"A. Gade, D. Weisshaar, E.A. George, K. Minamisono, M. Hughes, O. Naviliat-Cuncic, P.A. Voytas, S. Chandavar, S.N. Liddick, S.V. Paulauskas, X. Huyan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-05-15T14:25:15Z","title":"Measurement of the $^{20}$F half-life"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.05800","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:ad39bb5ca35a591f30711e438a45dc55b972f2f0ece3fb85a62fe89287d6a439","target":"record","created_at":"2026-05-18T00:13:25Z","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":"7bfe888a08d62cbb036d8eca39ee8c370bee05b733a8cd91c3a243ef00d54460","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-05-15T14:25:15Z","title_canon_sha256":"9cdba5a1cfb0ae2f5395b7ec3fb2baa9b4d001a64b6ddbdf99706959dd126896"},"schema_version":"1.0","source":{"id":"1805.05800","kind":"arxiv","version":1}},"canonical_sha256":"39a808b170c0baf3da3762c76708458c523fec748dfdc4259aee9ddb049f7e3c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39a808b170c0baf3da3762c76708458c523fec748dfdc4259aee9ddb049f7e3c","first_computed_at":"2026-05-18T00:13:25.500148Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:13:25.500148Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vjVCSvxNzJafB/eUsztnW9+G9khI8vuyK7Y0Yp/SlL/YqAGODM0aRhrBm0LypXiGd5SbbnoJs/UDlqJ7xPPAAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:13:25.500750Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.05800","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad39bb5ca35a591f30711e438a45dc55b972f2f0ece3fb85a62fe89287d6a439","sha256:01619d1b001c0176c98424fef3a4593351a4386442685757b4f27e98b4c95df6"],"state_sha256":"18105dcf7afd15634038f18e985f9556a73ac69f40ddbae23c3e72b39974a3de"}