{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:W5ZPOLXBJARNI7JWCLO6EWNNRT","short_pith_number":"pith:W5ZPOLXB","schema_version":"1.0","canonical_sha256":"b772f72ee14822d47d3612dde259ad8ce134a17a5546909aed519f9616a145ab","source":{"kind":"arxiv","id":"1402.1268","version":2},"attestation_state":"computed","paper":{"title":"Optimal implementations for reliable circadian clocks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.MN"],"primary_cat":"physics.bio-ph","authors_text":"Masanori Arita, Yoshihiko Hasegawa","submitted_at":"2014-02-06T08:15:25Z","abstract_excerpt":"Circadian rhythms are acquired through evolution to increase the chances for survival through synchronizing with the daylight cycle. Reliable synchronization is realized through two trade-off properties: regularity to keep time precisely, and entrainability to synchronize the internal time with daylight. We found by using a phase model with multiple inputs that achieving the maximal limit of regularity and entrainability entails many inherent features of the circadian mechanism. At the molecular level, we demonstrate the role sharing of two light inputs, phase advance and delay, as is well obs"},"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":"1402.1268","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2014-02-06T08:15:25Z","cross_cats_sorted":["q-bio.MN"],"title_canon_sha256":"3854c1f4d69920dd0c2c310bda46f435df06624f17f0e96fef2bf8511a160b81","abstract_canon_sha256":"563b1b4a80407bb8976f6d951ab97666ea09c889c67775e0a59314a85bda7af5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:41:18.690697Z","signature_b64":"vbBAPtvH5fauTCECHeuGnMAe4wWEx02tRsPNfgFRnQI3ou9vFg0YyWJzlBnKTj3rq1rO3P4NQ1FocOqeiRBnAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b772f72ee14822d47d3612dde259ad8ce134a17a5546909aed519f9616a145ab","last_reissued_at":"2026-05-18T02:41:18.690300Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:41:18.690300Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optimal implementations for reliable circadian clocks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.MN"],"primary_cat":"physics.bio-ph","authors_text":"Masanori Arita, Yoshihiko Hasegawa","submitted_at":"2014-02-06T08:15:25Z","abstract_excerpt":"Circadian rhythms are acquired through evolution to increase the chances for survival through synchronizing with the daylight cycle. Reliable synchronization is realized through two trade-off properties: regularity to keep time precisely, and entrainability to synchronize the internal time with daylight. We found by using a phase model with multiple inputs that achieving the maximal limit of regularity and entrainability entails many inherent features of the circadian mechanism. At the molecular level, we demonstrate the role sharing of two light inputs, phase advance and delay, as is well obs"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.1268","kind":"arxiv","version":2},"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":"1402.1268","created_at":"2026-05-18T02:41:18.690369+00:00"},{"alias_kind":"arxiv_version","alias_value":"1402.1268v2","created_at":"2026-05-18T02:41:18.690369+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.1268","created_at":"2026-05-18T02:41:18.690369+00:00"},{"alias_kind":"pith_short_12","alias_value":"W5ZPOLXBJARN","created_at":"2026-05-18T12:28:54.890064+00:00"},{"alias_kind":"pith_short_16","alias_value":"W5ZPOLXBJARNI7JW","created_at":"2026-05-18T12:28:54.890064+00:00"},{"alias_kind":"pith_short_8","alias_value":"W5ZPOLXB","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/W5ZPOLXBJARNI7JWCLO6EWNNRT","json":"https://pith.science/pith/W5ZPOLXBJARNI7JWCLO6EWNNRT.json","graph_json":"https://pith.science/api/pith-number/W5ZPOLXBJARNI7JWCLO6EWNNRT/graph.json","events_json":"https://pith.science/api/pith-number/W5ZPOLXBJARNI7JWCLO6EWNNRT/events.json","paper":"https://pith.science/paper/W5ZPOLXB"},"agent_actions":{"view_html":"https://pith.science/pith/W5ZPOLXBJARNI7JWCLO6EWNNRT","download_json":"https://pith.science/pith/W5ZPOLXBJARNI7JWCLO6EWNNRT.json","view_paper":"https://pith.science/paper/W5ZPOLXB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1402.1268&json=true","fetch_graph":"https://pith.science/api/pith-number/W5ZPOLXBJARNI7JWCLO6EWNNRT/graph.json","fetch_events":"https://pith.science/api/pith-number/W5ZPOLXBJARNI7JWCLO6EWNNRT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/W5ZPOLXBJARNI7JWCLO6EWNNRT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/W5ZPOLXBJARNI7JWCLO6EWNNRT/action/storage_attestation","attest_author":"https://pith.science/pith/W5ZPOLXBJARNI7JWCLO6EWNNRT/action/author_attestation","sign_citation":"https://pith.science/pith/W5ZPOLXBJARNI7JWCLO6EWNNRT/action/citation_signature","submit_replication":"https://pith.science/pith/W5ZPOLXBJARNI7JWCLO6EWNNRT/action/replication_record"}},"created_at":"2026-05-18T02:41:18.690369+00:00","updated_at":"2026-05-18T02:41:18.690369+00:00"}