{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:RA5DCM7MNDT3HEX6OZAHELEUQ7","short_pith_number":"pith:RA5DCM7M","schema_version":"1.0","canonical_sha256":"883a3133ec68e7b392fe7640722c9487f8844bcd525ffc95c9b426ac240b6f16","source":{"kind":"arxiv","id":"astro-ph/0303224","version":1},"attestation_state":"computed","paper":{"title":"Period change of Superhumps in the WZ Sge-Type Dwarf Nova, HV Virginis","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"G. Masi, H. Yamaoka, J. Pietz, K. Kinugasa, K. Morikawa, K. Tanabe, K. Torii, L. M. Cook, M. Uemura, P. Schmeer, R. Ishioka, S. Kiyota, T. Kato, T. Krajci, T. Vanmunster","submitted_at":"2003-03-11T10:12:20Z","abstract_excerpt":"After 10 years of quiescence, HV Vir underwent a superoutburst in January 2002. We report time-series observations clearly revealing the period change of ordinary superhumps during the superoutburst. We derived a mean superhump period of 0.058260 d and a positive period derivative of $7 \\times 10^{-5}$. These results are in good agreement with the value obtained from the 1992 superoutburst. We also detected early superhumps, which were not clearly recognized in the past outburst, and a possible rebrightening. Both of them are the common characteristics of WZ Sge-type stars."},"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":"astro-ph/0303224","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-03-11T10:12:20Z","cross_cats_sorted":[],"title_canon_sha256":"894aaa0942e23d618a54ed016a753cc0db929343e4dbfc3bb28b79b0666ea9fa","abstract_canon_sha256":"b0c25a54a3fff3ac100771c53f8747c830ea574940675b31be3a74abbe2fc4b6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:39.219045Z","signature_b64":"RfNUWl4Lrc0M+Z69I37/IaNnV2MadvlnDrlqJiYS/blsTc+AnpKpOwk6FN5V3ivN1U5PBwgaqM+jlBCujEoYCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"883a3133ec68e7b392fe7640722c9487f8844bcd525ffc95c9b426ac240b6f16","last_reissued_at":"2026-05-18T01:40:39.218551Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:39.218551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Period change of Superhumps in the WZ Sge-Type Dwarf Nova, HV Virginis","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"G. Masi, H. Yamaoka, J. Pietz, K. Kinugasa, K. Morikawa, K. Tanabe, K. Torii, L. M. Cook, M. Uemura, P. Schmeer, R. Ishioka, S. Kiyota, T. Kato, T. Krajci, T. Vanmunster","submitted_at":"2003-03-11T10:12:20Z","abstract_excerpt":"After 10 years of quiescence, HV Vir underwent a superoutburst in January 2002. We report time-series observations clearly revealing the period change of ordinary superhumps during the superoutburst. We derived a mean superhump period of 0.058260 d and a positive period derivative of $7 \\times 10^{-5}$. These results are in good agreement with the value obtained from the 1992 superoutburst. We also detected early superhumps, which were not clearly recognized in the past outburst, and a possible rebrightening. Both of them are the common characteristics of WZ Sge-type stars."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0303224","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":"astro-ph/0303224","created_at":"2026-05-18T01:40:39.218632+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0303224v1","created_at":"2026-05-18T01:40:39.218632+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0303224","created_at":"2026-05-18T01:40:39.218632+00:00"},{"alias_kind":"pith_short_12","alias_value":"RA5DCM7MNDT3","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_16","alias_value":"RA5DCM7MNDT3HEX6","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_8","alias_value":"RA5DCM7M","created_at":"2026-05-18T12:25:52.051335+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/RA5DCM7MNDT3HEX6OZAHELEUQ7","json":"https://pith.science/pith/RA5DCM7MNDT3HEX6OZAHELEUQ7.json","graph_json":"https://pith.science/api/pith-number/RA5DCM7MNDT3HEX6OZAHELEUQ7/graph.json","events_json":"https://pith.science/api/pith-number/RA5DCM7MNDT3HEX6OZAHELEUQ7/events.json","paper":"https://pith.science/paper/RA5DCM7M"},"agent_actions":{"view_html":"https://pith.science/pith/RA5DCM7MNDT3HEX6OZAHELEUQ7","download_json":"https://pith.science/pith/RA5DCM7MNDT3HEX6OZAHELEUQ7.json","view_paper":"https://pith.science/paper/RA5DCM7M","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0303224&json=true","fetch_graph":"https://pith.science/api/pith-number/RA5DCM7MNDT3HEX6OZAHELEUQ7/graph.json","fetch_events":"https://pith.science/api/pith-number/RA5DCM7MNDT3HEX6OZAHELEUQ7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RA5DCM7MNDT3HEX6OZAHELEUQ7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RA5DCM7MNDT3HEX6OZAHELEUQ7/action/storage_attestation","attest_author":"https://pith.science/pith/RA5DCM7MNDT3HEX6OZAHELEUQ7/action/author_attestation","sign_citation":"https://pith.science/pith/RA5DCM7MNDT3HEX6OZAHELEUQ7/action/citation_signature","submit_replication":"https://pith.science/pith/RA5DCM7MNDT3HEX6OZAHELEUQ7/action/replication_record"}},"created_at":"2026-05-18T01:40:39.218632+00:00","updated_at":"2026-05-18T01:40:39.218632+00:00"}