{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:WI6URKJROBCNSQ7EAYPTPIMCKI","short_pith_number":"pith:WI6URKJR","schema_version":"1.0","canonical_sha256":"b23d48a9317044d943e4061f37a18252396ba1e031ad87b396d01ddf2681fa9c","source":{"kind":"arxiv","id":"1410.5311","version":1},"attestation_state":"computed","paper":{"title":"Determination of the Free Neutron Lifetime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"nucl-ex","authors_text":"A. R. Young, A. Saunders, A. Steyerl, A. T. Holley, A. T. Yue, C. L. Morris, C.-Y. Liu, D. J. Salvat, F. E. Wietfeldt, G. L. Greene, G. L. Jones, J. David Bowman, J. Mulholland, Jr., K. B. Grammer, K. M. Nollett, L. J. Broussard, M. Makela, M. P. Mendenhall, M. Ramsey-Musolf, M. S. Dewey, N. Fomin, P. R. Huffman, R. W. Pattie, S. J. Seestrom, S. M. Clayton, S. Penttila, W. M. Snow","submitted_at":"2014-10-20T15:17:45Z","abstract_excerpt":"We present the status of current US experimental efforts to measure the lifetime of the free neutron by the \"beam\" and \"bottle\" methods. BBN nucleosynthesis models require accurate measurements with 1 second uncertainties, which are currently feasible. For tests of physics beyond the standard model, future efforts will need to achieve uncertainties well below 1 second. We outline paths achieve both."},"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":"1410.5311","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-10-20T15:17:45Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"cec75fee1338cb27f93739c269ca7ac80b1f17db1ab103a04dbfc1eb5f6fa55a","abstract_canon_sha256":"09da7982ffdd5eb41c108e27028a7930531598222cbaca5c21f0413a6ca4f38f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:46.349450Z","signature_b64":"R3xyhkPifsDUP1XyP9Mqq17b7yAlJQqWJImeSXAXUuTYbAMcX9S8ssjCa543fQPGanjqsFjP4KzeTYM918ZdDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b23d48a9317044d943e4061f37a18252396ba1e031ad87b396d01ddf2681fa9c","last_reissued_at":"2026-05-18T02:39:46.348832Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:46.348832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Determination of the Free Neutron Lifetime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"nucl-ex","authors_text":"A. R. Young, A. Saunders, A. Steyerl, A. T. Holley, A. T. Yue, C. L. Morris, C.-Y. Liu, D. J. Salvat, F. E. Wietfeldt, G. L. Greene, G. L. Jones, J. David Bowman, J. Mulholland, Jr., K. B. Grammer, K. M. Nollett, L. J. Broussard, M. Makela, M. P. Mendenhall, M. Ramsey-Musolf, M. S. Dewey, N. Fomin, P. R. Huffman, R. W. Pattie, S. J. Seestrom, S. M. Clayton, S. Penttila, W. M. Snow","submitted_at":"2014-10-20T15:17:45Z","abstract_excerpt":"We present the status of current US experimental efforts to measure the lifetime of the free neutron by the \"beam\" and \"bottle\" methods. BBN nucleosynthesis models require accurate measurements with 1 second uncertainties, which are currently feasible. For tests of physics beyond the standard model, future efforts will need to achieve uncertainties well below 1 second. We outline paths achieve both."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.5311","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":"1410.5311","created_at":"2026-05-18T02:39:46.348910+00:00"},{"alias_kind":"arxiv_version","alias_value":"1410.5311v1","created_at":"2026-05-18T02:39:46.348910+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.5311","created_at":"2026-05-18T02:39:46.348910+00:00"},{"alias_kind":"pith_short_12","alias_value":"WI6URKJROBCN","created_at":"2026-05-18T12:28:54.890064+00:00"},{"alias_kind":"pith_short_16","alias_value":"WI6URKJROBCNSQ7E","created_at":"2026-05-18T12:28:54.890064+00:00"},{"alias_kind":"pith_short_8","alias_value":"WI6URKJR","created_at":"2026-05-18T12:28:54.890064+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/WI6URKJROBCNSQ7EAYPTPIMCKI","json":"https://pith.science/pith/WI6URKJROBCNSQ7EAYPTPIMCKI.json","graph_json":"https://pith.science/api/pith-number/WI6URKJROBCNSQ7EAYPTPIMCKI/graph.json","events_json":"https://pith.science/api/pith-number/WI6URKJROBCNSQ7EAYPTPIMCKI/events.json","paper":"https://pith.science/paper/WI6URKJR"},"agent_actions":{"view_html":"https://pith.science/pith/WI6URKJROBCNSQ7EAYPTPIMCKI","download_json":"https://pith.science/pith/WI6URKJROBCNSQ7EAYPTPIMCKI.json","view_paper":"https://pith.science/paper/WI6URKJR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1410.5311&json=true","fetch_graph":"https://pith.science/api/pith-number/WI6URKJROBCNSQ7EAYPTPIMCKI/graph.json","fetch_events":"https://pith.science/api/pith-number/WI6URKJROBCNSQ7EAYPTPIMCKI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WI6URKJROBCNSQ7EAYPTPIMCKI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WI6URKJROBCNSQ7EAYPTPIMCKI/action/storage_attestation","attest_author":"https://pith.science/pith/WI6URKJROBCNSQ7EAYPTPIMCKI/action/author_attestation","sign_citation":"https://pith.science/pith/WI6URKJROBCNSQ7EAYPTPIMCKI/action/citation_signature","submit_replication":"https://pith.science/pith/WI6URKJROBCNSQ7EAYPTPIMCKI/action/replication_record"}},"created_at":"2026-05-18T02:39:46.348910+00:00","updated_at":"2026-05-18T02:39:46.348910+00:00"}