{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:PIL2EQK6EEKA343SYJZXGFL6HR","short_pith_number":"pith:PIL2EQK6","schema_version":"1.0","canonical_sha256":"7a17a2415e21140df372c27373157e3c590d6cd5221ad25b204dad712fbe8afd","source":{"kind":"arxiv","id":"1804.00115","version":1},"attestation_state":"computed","paper":{"title":"Continuous Circadian Phase Estimation Using Adaptive Notch Filter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SY","authors_text":"Agung Julius, Bernard Possidente, John T. Wen, Kyle Altman, Wei Qiao","submitted_at":"2018-03-31T03:38:56Z","abstract_excerpt":"Actigraphy has been widely used for the analysis of circadian rhythm. Current practice applies regression analysis to data from multiple days to estimate the circadian phase. This paper presents a filtering method for online processing of biometric data to estimate the circadian phase. We apply the proposed method on actigraphy data of fruit flies (Drosophila melanogaster)."},"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":"1804.00115","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-03-31T03:38:56Z","cross_cats_sorted":[],"title_canon_sha256":"0099c0ba0bb6fbc0e3404d66da04cc489d0c3f5dfe18f6f0455d9c193272bb05","abstract_canon_sha256":"0a52d3a19e14e0f3167b5b302b82f9c6c56a1f3e73e6746fa7558c40842a3907"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:19:38.337543Z","signature_b64":"sS00ZRVw1QkcgBf1KfYj6sKHwb+NwTleEXsSiVguWbq5+EW7/4JLGCsxCZihb8AeuYSZS2GRrvaBv72fBVxNAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a17a2415e21140df372c27373157e3c590d6cd5221ad25b204dad712fbe8afd","last_reissued_at":"2026-05-18T00:19:38.336932Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:19:38.336932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Continuous Circadian Phase Estimation Using Adaptive Notch Filter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SY","authors_text":"Agung Julius, Bernard Possidente, John T. Wen, Kyle Altman, Wei Qiao","submitted_at":"2018-03-31T03:38:56Z","abstract_excerpt":"Actigraphy has been widely used for the analysis of circadian rhythm. Current practice applies regression analysis to data from multiple days to estimate the circadian phase. This paper presents a filtering method for online processing of biometric data to estimate the circadian phase. We apply the proposed method on actigraphy data of fruit flies (Drosophila melanogaster)."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.00115","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":"1804.00115","created_at":"2026-05-18T00:19:38.337047+00:00"},{"alias_kind":"arxiv_version","alias_value":"1804.00115v1","created_at":"2026-05-18T00:19:38.337047+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.00115","created_at":"2026-05-18T00:19:38.337047+00:00"},{"alias_kind":"pith_short_12","alias_value":"PIL2EQK6EEKA","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_16","alias_value":"PIL2EQK6EEKA343S","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_8","alias_value":"PIL2EQK6","created_at":"2026-05-18T12:32:43.782077+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/PIL2EQK6EEKA343SYJZXGFL6HR","json":"https://pith.science/pith/PIL2EQK6EEKA343SYJZXGFL6HR.json","graph_json":"https://pith.science/api/pith-number/PIL2EQK6EEKA343SYJZXGFL6HR/graph.json","events_json":"https://pith.science/api/pith-number/PIL2EQK6EEKA343SYJZXGFL6HR/events.json","paper":"https://pith.science/paper/PIL2EQK6"},"agent_actions":{"view_html":"https://pith.science/pith/PIL2EQK6EEKA343SYJZXGFL6HR","download_json":"https://pith.science/pith/PIL2EQK6EEKA343SYJZXGFL6HR.json","view_paper":"https://pith.science/paper/PIL2EQK6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1804.00115&json=true","fetch_graph":"https://pith.science/api/pith-number/PIL2EQK6EEKA343SYJZXGFL6HR/graph.json","fetch_events":"https://pith.science/api/pith-number/PIL2EQK6EEKA343SYJZXGFL6HR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PIL2EQK6EEKA343SYJZXGFL6HR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PIL2EQK6EEKA343SYJZXGFL6HR/action/storage_attestation","attest_author":"https://pith.science/pith/PIL2EQK6EEKA343SYJZXGFL6HR/action/author_attestation","sign_citation":"https://pith.science/pith/PIL2EQK6EEKA343SYJZXGFL6HR/action/citation_signature","submit_replication":"https://pith.science/pith/PIL2EQK6EEKA343SYJZXGFL6HR/action/replication_record"}},"created_at":"2026-05-18T00:19:38.337047+00:00","updated_at":"2026-05-18T00:19:38.337047+00:00"}