{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:7CGENG2YQHRYCVPCQKN46NKYAQ","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":"147b1e5fd060d493219a620e44aeddf1cdc852874f49603d7647696bf48e3db6","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-28T09:45:09Z","title_canon_sha256":"64dc1ace9818914fb4090577a0caa49ba34f57d330c450ddd9f75fe17b81a368"},"schema_version":"1.0","source":{"id":"0909.5049","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.5049","created_at":"2026-05-18T02:34:27Z"},{"alias_kind":"arxiv_version","alias_value":"0909.5049v1","created_at":"2026-05-18T02:34:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.5049","created_at":"2026-05-18T02:34:27Z"},{"alias_kind":"pith_short_12","alias_value":"7CGENG2YQHRY","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"7CGENG2YQHRYCVPC","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"7CGENG2Y","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:935fb1329b46e99102b70538a87b47f64660e1c26ea9473a0716032a3265501e","target":"graph","created_at":"2026-05-18T02:34:27Z","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":"Algol is a triple stellar system consisting of a close semidetached binary orbited by a third object. Due to the disputed spatial orientation of the close pair, the third body perturbation of this pair is a subject of much research. In this study, we determine the spatial orientation of the close pair orbital plane using the CHARA Array, a six-element optical/IR interferometer located on Mount Wilson, and state-of-the-art e-EVN interferometric techniques. We find that the longitude of the line of nodes for the close pair is $\\Omega_1=48\\degr\\pm2\\degr$ and the mutual inclination of the orbital ","authors_text":"C. Farrington, H. A. McAlister, J. Sturmann, L. Mosoni, L. Sturmann, L. Szabados, N. H. Turner, P. Abraham, P. Klagyivik, Sz. Csizmadia, T. A. ten Brummelaar, T. Borkovits, Zs. Paragi","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-28T09:45:09Z","title":"Interferometric Observations of the Hierarchical Triple System Algol"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.5049","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":"sha256:8ad4b6a629e92b2f70e573c610a4cc882771dcb793cbfa8dc4d72bb7e015004e","target":"record","created_at":"2026-05-18T02:34:27Z","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":"147b1e5fd060d493219a620e44aeddf1cdc852874f49603d7647696bf48e3db6","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-28T09:45:09Z","title_canon_sha256":"64dc1ace9818914fb4090577a0caa49ba34f57d330c450ddd9f75fe17b81a368"},"schema_version":"1.0","source":{"id":"0909.5049","kind":"arxiv","version":1}},"canonical_sha256":"f88c469b5881e38155e2829bcf3558042daf0c9d150ef257cfa3ae4486776ff9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f88c469b5881e38155e2829bcf3558042daf0c9d150ef257cfa3ae4486776ff9","first_computed_at":"2026-05-18T02:34:27.445332Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:27.445332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D9A6UMz2Gntcdu5pPt08lhjTK6GW+nmfLRfOpnfNDruvb0tvjkbo/CnZxnUXjhJFruv6ju0rpEEbZo/OznWgBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:27.445891Z","signed_message":"canonical_sha256_bytes"},"source_id":"0909.5049","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ad4b6a629e92b2f70e573c610a4cc882771dcb793cbfa8dc4d72bb7e015004e","sha256:935fb1329b46e99102b70538a87b47f64660e1c26ea9473a0716032a3265501e"],"state_sha256":"7640089cf585d2645975e59b15853678fc20c6e105d619cbaee571f830fe4456"}