{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:O5D47OEYARAEIMEALUFBVCUW4A","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":"1b706f86dc272f9acaffb5953541612a927185644bd957444bb3827cad8a71c5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-30T15:42:34Z","title_canon_sha256":"43999bc31df2901db106fc0cf24f3e5f701d67650b2a5217b51c878438a0eb65"},"schema_version":"1.0","source":{"id":"1006.5891","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.5891","created_at":"2026-05-18T02:06:33Z"},{"alias_kind":"arxiv_version","alias_value":"1006.5891v2","created_at":"2026-05-18T02:06:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.5891","created_at":"2026-05-18T02:06:33Z"},{"alias_kind":"pith_short_12","alias_value":"O5D47OEYARAE","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"O5D47OEYARAEIMEA","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"O5D47OEY","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:7187821331193d19e712dabd70c449a99579196d56b02743ca130f0065729786","target":"graph","created_at":"2026-05-18T02:06:33Z","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":"We report the systematic detection of magnetic fields in massive (M > 5 M$_\\odot$) late-type supergiants, using spectropolarimetric observations obtained with ESPaDOnS at the Canada-France-Hawaii Telescope. Our observations reveal detectable Stokes V Zeeman signatures in Least-Squares Deconvolved mean line profiles in one-third of the observed sample of more than 30 stars. The signatures are sometimes complex, revealing multiple reversals across the line. The corresponding longitudinal magnetic field is seldom detected, although our longitudinal field error bars are typically 0.3 G ($1\\sigma$)","authors_text":"David A. Hanes, Evelyne Alecian, Gregg A. Wade, Jason H. Grunhut","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-30T15:42:34Z","title":"Systematic detection of magnetic fields in massive, late-type supergiants"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.5891","kind":"arxiv","version":2},"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:bbb2d8ef3ce570c549b7ba40d7a4d07636200f2e996ad96ed18209d7cc0f161e","target":"record","created_at":"2026-05-18T02:06:33Z","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":"1b706f86dc272f9acaffb5953541612a927185644bd957444bb3827cad8a71c5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-30T15:42:34Z","title_canon_sha256":"43999bc31df2901db106fc0cf24f3e5f701d67650b2a5217b51c878438a0eb65"},"schema_version":"1.0","source":{"id":"1006.5891","kind":"arxiv","version":2}},"canonical_sha256":"7747cfb89804404430805d0a1a8a96e012c39e68d0458fbeb030689e89fc45ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7747cfb89804404430805d0a1a8a96e012c39e68d0458fbeb030689e89fc45ed","first_computed_at":"2026-05-18T02:06:33.803698Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:06:33.803698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hifJBWEK3q4+dGgmixKWOnR2egdBXmQzOtqOplCbXyIDA6AkfIiuJDo6z5YFgNcBb4jg2H/6kUKsjBbqYLMCBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:06:33.804471Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.5891","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bbb2d8ef3ce570c549b7ba40d7a4d07636200f2e996ad96ed18209d7cc0f161e","sha256:7187821331193d19e712dabd70c449a99579196d56b02743ca130f0065729786"],"state_sha256":"b78122f04b7131584579b570b25549e88e552fbac191458f9a05d044b8ba615c"}