{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:A55IFWOFSCZ6FYXLKIONXQGKOK","short_pith_number":"pith:A55IFWOF","schema_version":"1.0","canonical_sha256":"077a82d9c590b3e2e2eb521cdbc0ca728ad0bddbcba13ef4bab5961cb0992b7f","source":{"kind":"arxiv","id":"1103.5778","version":1},"attestation_state":"computed","paper":{"title":"A study of the photometric variability of the peculiar magnetic white dwarf WD1953-011","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"C.Zurita, D.Hiriart, D.M.Clark, D.Shulyak, G.A.Wade, G. Valyavin, Inwoo Han, J.M.Lopez, K.Antonyuk, L.Fox Machado, M.Alvarez, R.Mujica, S.Bagnulo, S.Plachinda, S.V.Zharikov, T.Burlakova, Young-Beom Jeon","submitted_at":"2011-03-29T21:24:48Z","abstract_excerpt":"We present and interpret simultaneous new photometric and spectroscopic observations of the peculiar magnetic white dwarf WD1953-011. The flux in the V-band filter and intensity of the Balmer spectral lines demonstrate variability with the rotation period of about 1.45 days. According to previous studies, this variability can be explained by the presence of a dark spot having a magnetic nature, analogous to a sunspot. Motivated by this idea, we examine possible physical relationships between the suggested dark spot and the strong-field magnetic structure (magnetic \"spot\", or \"tube\") recently i"},"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":"1103.5778","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-03-29T21:24:48Z","cross_cats_sorted":[],"title_canon_sha256":"46274a4da3c6856beda4f8173c188a9c93fb36dac846112e944b612b03d33574","abstract_canon_sha256":"857288afe822b6650dcf529414484ef4d74eea2a569b390e38590b70d050ec4d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:43.100859Z","signature_b64":"EiPK3psKyklXFrU9BUE2+EixsJAcyFUzcUqmmYbf3RhHUtNpMf8Ny4CKrO9mluKHAE0+MMQdVcowKWSNHHEeBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"077a82d9c590b3e2e2eb521cdbc0ca728ad0bddbcba13ef4bab5961cb0992b7f","last_reissued_at":"2026-05-18T02:02:43.100115Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:43.100115Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A study of the photometric variability of the peculiar magnetic white dwarf WD1953-011","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"C.Zurita, D.Hiriart, D.M.Clark, D.Shulyak, G.A.Wade, G. Valyavin, Inwoo Han, J.M.Lopez, K.Antonyuk, L.Fox Machado, M.Alvarez, R.Mujica, S.Bagnulo, S.Plachinda, S.V.Zharikov, T.Burlakova, Young-Beom Jeon","submitted_at":"2011-03-29T21:24:48Z","abstract_excerpt":"We present and interpret simultaneous new photometric and spectroscopic observations of the peculiar magnetic white dwarf WD1953-011. The flux in the V-band filter and intensity of the Balmer spectral lines demonstrate variability with the rotation period of about 1.45 days. According to previous studies, this variability can be explained by the presence of a dark spot having a magnetic nature, analogous to a sunspot. Motivated by this idea, we examine possible physical relationships between the suggested dark spot and the strong-field magnetic structure (magnetic \"spot\", or \"tube\") recently i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.5778","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":"1103.5778","created_at":"2026-05-18T02:02:43.100217+00:00"},{"alias_kind":"arxiv_version","alias_value":"1103.5778v1","created_at":"2026-05-18T02:02:43.100217+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.5778","created_at":"2026-05-18T02:02:43.100217+00:00"},{"alias_kind":"pith_short_12","alias_value":"A55IFWOFSCZ6","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_16","alias_value":"A55IFWOFSCZ6FYXL","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_8","alias_value":"A55IFWOF","created_at":"2026-05-18T12:26:24.575870+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/A55IFWOFSCZ6FYXLKIONXQGKOK","json":"https://pith.science/pith/A55IFWOFSCZ6FYXLKIONXQGKOK.json","graph_json":"https://pith.science/api/pith-number/A55IFWOFSCZ6FYXLKIONXQGKOK/graph.json","events_json":"https://pith.science/api/pith-number/A55IFWOFSCZ6FYXLKIONXQGKOK/events.json","paper":"https://pith.science/paper/A55IFWOF"},"agent_actions":{"view_html":"https://pith.science/pith/A55IFWOFSCZ6FYXLKIONXQGKOK","download_json":"https://pith.science/pith/A55IFWOFSCZ6FYXLKIONXQGKOK.json","view_paper":"https://pith.science/paper/A55IFWOF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1103.5778&json=true","fetch_graph":"https://pith.science/api/pith-number/A55IFWOFSCZ6FYXLKIONXQGKOK/graph.json","fetch_events":"https://pith.science/api/pith-number/A55IFWOFSCZ6FYXLKIONXQGKOK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/A55IFWOFSCZ6FYXLKIONXQGKOK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/A55IFWOFSCZ6FYXLKIONXQGKOK/action/storage_attestation","attest_author":"https://pith.science/pith/A55IFWOFSCZ6FYXLKIONXQGKOK/action/author_attestation","sign_citation":"https://pith.science/pith/A55IFWOFSCZ6FYXLKIONXQGKOK/action/citation_signature","submit_replication":"https://pith.science/pith/A55IFWOFSCZ6FYXLKIONXQGKOK/action/replication_record"}},"created_at":"2026-05-18T02:02:43.100217+00:00","updated_at":"2026-05-18T02:02:43.100217+00:00"}