{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:APAQMLJ5I3DFY64O4GWOBZOFMF","short_pith_number":"pith:APAQMLJ5","schema_version":"1.0","canonical_sha256":"03c1062d3d46c65c7b8ee1ace0e5c5617b5948356f4800b8264fdcde82c6b780","source":{"kind":"arxiv","id":"1601.01225","version":1},"attestation_state":"computed","paper":{"title":"Detection of Periodicity Based on Independence Tests - II. Improved Serial Independence Measure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Israel), Shay Zucker (Tel Aviv University, Tel Aviv","submitted_at":"2016-01-06T16:10:42Z","abstract_excerpt":"We introduce an improvement to a periodicity metric we have introduced in a previous paper.We improve on the Hoeffding-test periodicity metric, using the Blum-Kiefer-Rosenblatt (BKR) test. Besides a consistent improvement over the Hoeffding-test approach, the BKR approach turns out to perform superbly when applied to very short time series of sawtoothlike shapes. The expected astronomical implications are much more detections of RR-Lyrae stars and Cepheids in sparse photometric databases, and of eccentric Keplerian radial-velocity (RV) curves, such as those of exoplanets in RV surveys."},"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":"1601.01225","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-01-06T16:10:42Z","cross_cats_sorted":[],"title_canon_sha256":"22df8fa540c156e58fbc72aaa34696a7f2d40f8563c282e97a92713ba505633b","abstract_canon_sha256":"e4e1bd73ebda98e191f6a81bc91b6d400a0e0b5480cac7b48b3178c54ef60b63"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:25.479630Z","signature_b64":"Pqu789SSt9sRysfhif2HSI0reHP4Uvf0FHMMsZ5Tv5jrQpTLbk8pUl5gW7i/ogtwSRj1oJpGHwHdqemmbCuTBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03c1062d3d46c65c7b8ee1ace0e5c5617b5948356f4800b8264fdcde82c6b780","last_reissued_at":"2026-05-18T01:21:25.478938Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:25.478938Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Detection of Periodicity Based on Independence Tests - II. Improved Serial Independence Measure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Israel), Shay Zucker (Tel Aviv University, Tel Aviv","submitted_at":"2016-01-06T16:10:42Z","abstract_excerpt":"We introduce an improvement to a periodicity metric we have introduced in a previous paper.We improve on the Hoeffding-test periodicity metric, using the Blum-Kiefer-Rosenblatt (BKR) test. Besides a consistent improvement over the Hoeffding-test approach, the BKR approach turns out to perform superbly when applied to very short time series of sawtoothlike shapes. The expected astronomical implications are much more detections of RR-Lyrae stars and Cepheids in sparse photometric databases, and of eccentric Keplerian radial-velocity (RV) curves, such as those of exoplanets in RV surveys."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01225","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":"1601.01225","created_at":"2026-05-18T01:21:25.479042+00:00"},{"alias_kind":"arxiv_version","alias_value":"1601.01225v1","created_at":"2026-05-18T01:21:25.479042+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01225","created_at":"2026-05-18T01:21:25.479042+00:00"},{"alias_kind":"pith_short_12","alias_value":"APAQMLJ5I3DF","created_at":"2026-05-18T12:30:07.202191+00:00"},{"alias_kind":"pith_short_16","alias_value":"APAQMLJ5I3DFY64O","created_at":"2026-05-18T12:30:07.202191+00:00"},{"alias_kind":"pith_short_8","alias_value":"APAQMLJ5","created_at":"2026-05-18T12:30:07.202191+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/APAQMLJ5I3DFY64O4GWOBZOFMF","json":"https://pith.science/pith/APAQMLJ5I3DFY64O4GWOBZOFMF.json","graph_json":"https://pith.science/api/pith-number/APAQMLJ5I3DFY64O4GWOBZOFMF/graph.json","events_json":"https://pith.science/api/pith-number/APAQMLJ5I3DFY64O4GWOBZOFMF/events.json","paper":"https://pith.science/paper/APAQMLJ5"},"agent_actions":{"view_html":"https://pith.science/pith/APAQMLJ5I3DFY64O4GWOBZOFMF","download_json":"https://pith.science/pith/APAQMLJ5I3DFY64O4GWOBZOFMF.json","view_paper":"https://pith.science/paper/APAQMLJ5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1601.01225&json=true","fetch_graph":"https://pith.science/api/pith-number/APAQMLJ5I3DFY64O4GWOBZOFMF/graph.json","fetch_events":"https://pith.science/api/pith-number/APAQMLJ5I3DFY64O4GWOBZOFMF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/APAQMLJ5I3DFY64O4GWOBZOFMF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/APAQMLJ5I3DFY64O4GWOBZOFMF/action/storage_attestation","attest_author":"https://pith.science/pith/APAQMLJ5I3DFY64O4GWOBZOFMF/action/author_attestation","sign_citation":"https://pith.science/pith/APAQMLJ5I3DFY64O4GWOBZOFMF/action/citation_signature","submit_replication":"https://pith.science/pith/APAQMLJ5I3DFY64O4GWOBZOFMF/action/replication_record"}},"created_at":"2026-05-18T01:21:25.479042+00:00","updated_at":"2026-05-18T01:21:25.479042+00:00"}