{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:CGU4RIEOUNCBSIUGJBESVHU2UF","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":"0e4874a92a88fe08d1f759defe31440907a7a5d08ea917ee62129eb868e25364","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-01-23T22:42:50Z","title_canon_sha256":"1333dcbf2b312ffff12eafa0272a703d3fa1173c80beaf6a1bc473f2f29b5378"},"schema_version":"1.0","source":{"id":"2301.09750","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.09750","created_at":"2026-07-05T05:46:36Z"},{"alias_kind":"arxiv_version","alias_value":"2301.09750v1","created_at":"2026-07-05T05:46:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.09750","created_at":"2026-07-05T05:46:36Z"},{"alias_kind":"pith_short_12","alias_value":"CGU4RIEOUNCB","created_at":"2026-07-05T05:46:36Z"},{"alias_kind":"pith_short_16","alias_value":"CGU4RIEOUNCBSIUG","created_at":"2026-07-05T05:46:36Z"},{"alias_kind":"pith_short_8","alias_value":"CGU4RIEO","created_at":"2026-07-05T05:46:36Z"}],"graph_snapshots":[{"event_id":"sha256:9ee1bddb23f14f822809def86397d30d44bed69a01bef42e2ee5e764db579618","target":"graph","created_at":"2026-07-05T05:46:36Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2301.09750/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The fact that the O-type close binary star system AO~Cassiopeiae exhibits variable phase-locked linear polarization has been known since the mid-1970s. In this work, we re-observe the polarization arising from this system more than 50 years later to better estimate the interstellar polarization and to independently derive the orbital parameters, such as inclination, $i$, orientation, $\\Omega$, and the direction of the rotation for the inner orbit from the phase-folded polarization curves of the Stokes $q$ and $u$ parameters. The Dipol-2 polarimeter was used to obtain linear polarization measur","authors_text":"Andrei V. Berdyugin, Masato Kagitani, Takeshi Sakanoi, Vilppu Piirola, Yasir Abdul Qadir","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-01-23T22:42:50Z","title":"High-precision broadband linear polarimetry of early-type binaries III. AO Cassiopeiae revisited"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.09750","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":"sha256:6e627c600990ae7b6cabefd0237fa166f62c84ecd89b94034bb3f3cd8b90f192","target":"record","created_at":"2026-07-05T05:46:36Z","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":"0e4874a92a88fe08d1f759defe31440907a7a5d08ea917ee62129eb868e25364","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-01-23T22:42:50Z","title_canon_sha256":"1333dcbf2b312ffff12eafa0272a703d3fa1173c80beaf6a1bc473f2f29b5378"},"schema_version":"1.0","source":{"id":"2301.09750","kind":"arxiv","version":1}},"canonical_sha256":"11a9c8a08ea34419228648492a9e9aa15ee38fae5c88f0a02fc7c7605b0f5d5a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"11a9c8a08ea34419228648492a9e9aa15ee38fae5c88f0a02fc7c7605b0f5d5a","first_computed_at":"2026-07-05T05:46:36.496898Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:46:36.496898Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uKq4oTx5q4hQxSGEFwyVZ+VXBB7VpOcPOkSMhNTyfX0yZtpdCtBh2dUnFIxhCYUA8CdW3MMi0sHdxH1yFZfECg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:46:36.497243Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.09750","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e627c600990ae7b6cabefd0237fa166f62c84ecd89b94034bb3f3cd8b90f192","sha256:9ee1bddb23f14f822809def86397d30d44bed69a01bef42e2ee5e764db579618"],"state_sha256":"fddc1838280417d0a81bdd7ba1c38e344f49dea6ef69eca70855c5b9ff695562"}