{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:NF4IWE7G564I4QVJIMNAVJVTEH","short_pith_number":"pith:NF4IWE7G","schema_version":"1.0","canonical_sha256":"69788b13e6efb88e42a9431a0aa6b321c6f96bd2b84a03f48f1775a4c1f77c74","source":{"kind":"arxiv","id":"1301.1680","version":1},"attestation_state":"computed","paper":{"title":"Magnetic field topology of the RS CVn star II Pegasi","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"I. Ilyin, M. J. Mantere, O. Kochukhov, T. Hackman","submitted_at":"2013-01-08T21:00:00Z","abstract_excerpt":"The dynamo processes in cool active stars generate complex magnetic fields responsible for prominent surface stellar activity and variability at different time scales. For a small number of cool stars magnetic field topologies were reconstructed from the time series of spectropolarimetric observations using the Zeeman Doppler imaging (ZDI) method. In this study we follow a long-term evolution of the magnetic field topology of the RS CVn binary star II Peg. We collected high-resolution circular polarisation observations of II Peg using the SOFIN spectropolarimeter at the Nordic Optical Telescop"},"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":"1301.1680","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-08T21:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"203665d62952310f2964eed0f08458ac9874c85e0a2c7bc8a5b19e28c8f0f7f3","abstract_canon_sha256":"c90e34d46d8be05b778dfa550e0583029c033a214d6ea94eabae6d8f3ab29553"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:14.874950Z","signature_b64":"gwxGBuX8ncTqBmgnCyg5Dbp5N2FFNHXXBDTgokEgH/IS5Hx7IWUnmr9R6BmfCkquQsSU+vm1vjfpifgPB4wlBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69788b13e6efb88e42a9431a0aa6b321c6f96bd2b84a03f48f1775a4c1f77c74","last_reissued_at":"2026-05-18T01:52:14.874131Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:14.874131Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetic field topology of the RS CVn star II Pegasi","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"I. Ilyin, M. J. Mantere, O. Kochukhov, T. Hackman","submitted_at":"2013-01-08T21:00:00Z","abstract_excerpt":"The dynamo processes in cool active stars generate complex magnetic fields responsible for prominent surface stellar activity and variability at different time scales. For a small number of cool stars magnetic field topologies were reconstructed from the time series of spectropolarimetric observations using the Zeeman Doppler imaging (ZDI) method. In this study we follow a long-term evolution of the magnetic field topology of the RS CVn binary star II Peg. We collected high-resolution circular polarisation observations of II Peg using the SOFIN spectropolarimeter at the Nordic Optical Telescop"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.1680","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":"1301.1680","created_at":"2026-05-18T01:52:14.874271+00:00"},{"alias_kind":"arxiv_version","alias_value":"1301.1680v1","created_at":"2026-05-18T01:52:14.874271+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.1680","created_at":"2026-05-18T01:52:14.874271+00:00"},{"alias_kind":"pith_short_12","alias_value":"NF4IWE7G564I","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_16","alias_value":"NF4IWE7G564I4QVJ","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_8","alias_value":"NF4IWE7G","created_at":"2026-05-18T12:27:52.871228+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/NF4IWE7G564I4QVJIMNAVJVTEH","json":"https://pith.science/pith/NF4IWE7G564I4QVJIMNAVJVTEH.json","graph_json":"https://pith.science/api/pith-number/NF4IWE7G564I4QVJIMNAVJVTEH/graph.json","events_json":"https://pith.science/api/pith-number/NF4IWE7G564I4QVJIMNAVJVTEH/events.json","paper":"https://pith.science/paper/NF4IWE7G"},"agent_actions":{"view_html":"https://pith.science/pith/NF4IWE7G564I4QVJIMNAVJVTEH","download_json":"https://pith.science/pith/NF4IWE7G564I4QVJIMNAVJVTEH.json","view_paper":"https://pith.science/paper/NF4IWE7G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1301.1680&json=true","fetch_graph":"https://pith.science/api/pith-number/NF4IWE7G564I4QVJIMNAVJVTEH/graph.json","fetch_events":"https://pith.science/api/pith-number/NF4IWE7G564I4QVJIMNAVJVTEH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NF4IWE7G564I4QVJIMNAVJVTEH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NF4IWE7G564I4QVJIMNAVJVTEH/action/storage_attestation","attest_author":"https://pith.science/pith/NF4IWE7G564I4QVJIMNAVJVTEH/action/author_attestation","sign_citation":"https://pith.science/pith/NF4IWE7G564I4QVJIMNAVJVTEH/action/citation_signature","submit_replication":"https://pith.science/pith/NF4IWE7G564I4QVJIMNAVJVTEH/action/replication_record"}},"created_at":"2026-05-18T01:52:14.874271+00:00","updated_at":"2026-05-18T01:52:14.874271+00:00"}