{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:HGUARMLQYC5PHWRXMLDWOCCFRR","short_pith_number":"pith:HGUARMLQ","schema_version":"1.0","canonical_sha256":"39a808b170c0baf3da3762c76708458c523fec748dfdc4259aee9ddb049f7e3c","source":{"kind":"arxiv","id":"1805.05800","version":1},"attestation_state":"computed","paper":{"title":"Measurement of the $^{20}$F half-life","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","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","submitted_at":"2018-05-15T14:25:15Z","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."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1805.05800","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-05-15T14:25:15Z","cross_cats_sorted":[],"title_canon_sha256":"9cdba5a1cfb0ae2f5395b7ec3fb2baa9b4d001a64b6ddbdf99706959dd126896","abstract_canon_sha256":"7bfe888a08d62cbb036d8eca39ee8c370bee05b733a8cd91c3a243ef00d54460"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:25.500750Z","signature_b64":"vjVCSvxNzJafB/eUsztnW9+G9khI8vuyK7Y0Yp/SlL/YqAGODM0aRhrBm0LypXiGd5SbbnoJs/UDlqJ7xPPAAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39a808b170c0baf3da3762c76708458c523fec748dfdc4259aee9ddb049f7e3c","last_reissued_at":"2026-05-18T00:13:25.500148Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:25.500148Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of the $^{20}$F half-life","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","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","submitted_at":"2018-05-15T14:25:15Z","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."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.05800","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1805.05800","created_at":"2026-05-18T00:13:25.500223+00:00"},{"alias_kind":"arxiv_version","alias_value":"1805.05800v1","created_at":"2026-05-18T00:13:25.500223+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.05800","created_at":"2026-05-18T00:13:25.500223+00:00"},{"alias_kind":"pith_short_12","alias_value":"HGUARMLQYC5P","created_at":"2026-05-18T12:32:28.185984+00:00"},{"alias_kind":"pith_short_16","alias_value":"HGUARMLQYC5PHWRX","created_at":"2026-05-18T12:32:28.185984+00:00"},{"alias_kind":"pith_short_8","alias_value":"HGUARMLQ","created_at":"2026-05-18T12:32:28.185984+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HGUARMLQYC5PHWRXMLDWOCCFRR","json":"https://pith.science/pith/HGUARMLQYC5PHWRXMLDWOCCFRR.json","graph_json":"https://pith.science/api/pith-number/HGUARMLQYC5PHWRXMLDWOCCFRR/graph.json","events_json":"https://pith.science/api/pith-number/HGUARMLQYC5PHWRXMLDWOCCFRR/events.json","paper":"https://pith.science/paper/HGUARMLQ"},"agent_actions":{"view_html":"https://pith.science/pith/HGUARMLQYC5PHWRXMLDWOCCFRR","download_json":"https://pith.science/pith/HGUARMLQYC5PHWRXMLDWOCCFRR.json","view_paper":"https://pith.science/paper/HGUARMLQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1805.05800&json=true","fetch_graph":"https://pith.science/api/pith-number/HGUARMLQYC5PHWRXMLDWOCCFRR/graph.json","fetch_events":"https://pith.science/api/pith-number/HGUARMLQYC5PHWRXMLDWOCCFRR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HGUARMLQYC5PHWRXMLDWOCCFRR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HGUARMLQYC5PHWRXMLDWOCCFRR/action/storage_attestation","attest_author":"https://pith.science/pith/HGUARMLQYC5PHWRXMLDWOCCFRR/action/author_attestation","sign_citation":"https://pith.science/pith/HGUARMLQYC5PHWRXMLDWOCCFRR/action/citation_signature","submit_replication":"https://pith.science/pith/HGUARMLQYC5PHWRXMLDWOCCFRR/action/replication_record"}},"created_at":"2026-05-18T00:13:25.500223+00:00","updated_at":"2026-05-18T00:13:25.500223+00:00"}