{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:MHEVU3XPG7MZIS6GT45IPB3TGI","short_pith_number":"pith:MHEVU3XP","schema_version":"1.0","canonical_sha256":"61c95a6eef37d9944bc69f3a87877332332bd2dac396bcffa7f8841d24549c64","source":{"kind":"arxiv","id":"2412.06175","version":1},"attestation_state":"computed","paper":{"title":"Classification of Periodic Variable Stars from TESS","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Jifeng Liu, Shu Wang, Xiaodian Chen, Xinyi Gao","submitted_at":"2024-12-09T03:14:48Z","abstract_excerpt":"The number of known periodic variable stars has increased rapidly in recent years. As an all-sky transit survey, the Transiting Exoplanet Survey Satellite (TESS) plays an important role in detecting low-amplitude variable stars. Using 2-minute cadence data from the first 67 sectors of TESS, we find 72,505 periodic variable stars. We used 19 parameters including period, physical parameters, and light curve (LC) parameters to classify periodic variable stars into 12 sub-types using random forest method. Pulsating variable stars and eclipsing binaries are distinguished mainly by period, LC parame"},"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":"2412.06175","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-12-09T03:14:48Z","cross_cats_sorted":[],"title_canon_sha256":"715712a0893df5d98c510364c511ea0c9989317f692693f0dac7506a17b2b72c","abstract_canon_sha256":"1a84c16b11889ea78cfe1d0e27ef76ba5e8291e7d581223f60e147203fb6d5ba"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:46:16.642308Z","signature_b64":"HWQblRiExf+IAex2FKWT/gH9CfVDyAvwvcwzlfbIXkkgxZPNQMrN4YtJyZtA13ZdPglLaCJgzaXHlOy+V9oNAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"61c95a6eef37d9944bc69f3a87877332332bd2dac396bcffa7f8841d24549c64","last_reissued_at":"2026-07-05T09:46:16.641828Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:46:16.641828Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Classification of Periodic Variable Stars from TESS","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Jifeng Liu, Shu Wang, Xiaodian Chen, Xinyi Gao","submitted_at":"2024-12-09T03:14:48Z","abstract_excerpt":"The number of known periodic variable stars has increased rapidly in recent years. As an all-sky transit survey, the Transiting Exoplanet Survey Satellite (TESS) plays an important role in detecting low-amplitude variable stars. Using 2-minute cadence data from the first 67 sectors of TESS, we find 72,505 periodic variable stars. We used 19 parameters including period, physical parameters, and light curve (LC) parameters to classify periodic variable stars into 12 sub-types using random forest method. Pulsating variable stars and eclipsing binaries are distinguished mainly by period, LC parame"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.06175","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2412.06175/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2412.06175","created_at":"2026-07-05T09:46:16.641884+00:00"},{"alias_kind":"arxiv_version","alias_value":"2412.06175v1","created_at":"2026-07-05T09:46:16.641884+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.06175","created_at":"2026-07-05T09:46:16.641884+00:00"},{"alias_kind":"pith_short_12","alias_value":"MHEVU3XPG7MZ","created_at":"2026-07-05T09:46:16.641884+00:00"},{"alias_kind":"pith_short_16","alias_value":"MHEVU3XPG7MZIS6G","created_at":"2026-07-05T09:46:16.641884+00:00"},{"alias_kind":"pith_short_8","alias_value":"MHEVU3XP","created_at":"2026-07-05T09:46:16.641884+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/MHEVU3XPG7MZIS6GT45IPB3TGI","json":"https://pith.science/pith/MHEVU3XPG7MZIS6GT45IPB3TGI.json","graph_json":"https://pith.science/api/pith-number/MHEVU3XPG7MZIS6GT45IPB3TGI/graph.json","events_json":"https://pith.science/api/pith-number/MHEVU3XPG7MZIS6GT45IPB3TGI/events.json","paper":"https://pith.science/paper/MHEVU3XP"},"agent_actions":{"view_html":"https://pith.science/pith/MHEVU3XPG7MZIS6GT45IPB3TGI","download_json":"https://pith.science/pith/MHEVU3XPG7MZIS6GT45IPB3TGI.json","view_paper":"https://pith.science/paper/MHEVU3XP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2412.06175&json=true","fetch_graph":"https://pith.science/api/pith-number/MHEVU3XPG7MZIS6GT45IPB3TGI/graph.json","fetch_events":"https://pith.science/api/pith-number/MHEVU3XPG7MZIS6GT45IPB3TGI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MHEVU3XPG7MZIS6GT45IPB3TGI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MHEVU3XPG7MZIS6GT45IPB3TGI/action/storage_attestation","attest_author":"https://pith.science/pith/MHEVU3XPG7MZIS6GT45IPB3TGI/action/author_attestation","sign_citation":"https://pith.science/pith/MHEVU3XPG7MZIS6GT45IPB3TGI/action/citation_signature","submit_replication":"https://pith.science/pith/MHEVU3XPG7MZIS6GT45IPB3TGI/action/replication_record"}},"created_at":"2026-07-05T09:46:16.641884+00:00","updated_at":"2026-07-05T09:46:16.641884+00:00"}