{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:7OM5CHZQHFGWCMHOFP2SQOPLNC","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"b37ba161f90db4e6631087af3f1644d5950b5c09b9bf1d7d0d88b34e055ebb31","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-29T22:59:46Z","title_canon_sha256":"d7724dc4621731b186b4aa9360e9053ccd17643d36486f968d5990c4abd800b0"},"schema_version":"1.0","source":{"id":"1002.0025","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1002.0025","created_at":"2026-05-18T02:09:21Z"},{"alias_kind":"arxiv_version","alias_value":"1002.0025v1","created_at":"2026-05-18T02:09:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.0025","created_at":"2026-05-18T02:09:21Z"},{"alias_kind":"pith_short_12","alias_value":"7OM5CHZQHFGW","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"7OM5CHZQHFGWCMHO","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"7OM5CHZQ","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:3144810263f238da00ce0b30d515660f2a54918df4205522de20c5a76d9dadcc","target":"graph","created_at":"2026-05-18T02:09:21Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Strong organized magnetic fields have been studied in the upper main sequence chemically peculiar stars for more than half a century. However, only recently have observational methods and numerical techniques become sufficiently mature to allow us to record and interpret high-resolution four Stokes parameter spectra, leading to the first assumption-free magnetic field models of these stars. Here we present a detailed magnetic Doppler imaging analysis of the spectropolarimetric observations of the prototypical magnetic Ap star alpha^2 CVn. The surface abundance distributions of Fe and Cr and a ","authors_text":"G.A. Wade, O. Kochukhov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-29T22:59:46Z","title":"Magnetic Doppler imaging of alpha^2 Canum Venaticorum in all four Stokes parameters. Unveiling the hidden complexity of stellar magnetic fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.0025","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:712ef6382d4a1b411ac9478fa76a2de3b4232924c58eb8a3fcf5002459aa30e0","target":"record","created_at":"2026-05-18T02:09:21Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"b37ba161f90db4e6631087af3f1644d5950b5c09b9bf1d7d0d88b34e055ebb31","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-29T22:59:46Z","title_canon_sha256":"d7724dc4621731b186b4aa9360e9053ccd17643d36486f968d5990c4abd800b0"},"schema_version":"1.0","source":{"id":"1002.0025","kind":"arxiv","version":1}},"canonical_sha256":"fb99d11f30394d6130ee2bf52839eb68b0e9372783efefa81d3ad44b545f94ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fb99d11f30394d6130ee2bf52839eb68b0e9372783efefa81d3ad44b545f94ef","first_computed_at":"2026-05-18T02:09:21.904880Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:09:21.904880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kEGgIyqonCCN3WpaBD3hpNaIfqcLCikLCj+/Q0vR9ayG/FuIFJYPXNImAVbDuPp1+gSoiMhE0kzUHibaCpJ8DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:09:21.905609Z","signed_message":"canonical_sha256_bytes"},"source_id":"1002.0025","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:712ef6382d4a1b411ac9478fa76a2de3b4232924c58eb8a3fcf5002459aa30e0","sha256:3144810263f238da00ce0b30d515660f2a54918df4205522de20c5a76d9dadcc"],"state_sha256":"d79627fc674937da908479dec61f3c616a95c9f6e6c5279041175ec4329710ae"}