{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:CSES7A5ZTOCLPDH7QMWDRINQPZ","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":"477a0994e8f364cd79c7c70373865619a6712518a44fab1d7cafefb5c0c9a4d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-07-20T14:21:48Z","title_canon_sha256":"c0701d3e59c8eb54a6bf5624e5a1a28bb464b2c1af10516c0d0ecf6e71648f5f"},"schema_version":"1.0","source":{"id":"2507.14979","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.14979","created_at":"2026-07-05T11:40:16Z"},{"alias_kind":"arxiv_version","alias_value":"2507.14979v1","created_at":"2026-07-05T11:40:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.14979","created_at":"2026-07-05T11:40:16Z"},{"alias_kind":"pith_short_12","alias_value":"CSES7A5ZTOCL","created_at":"2026-07-05T11:40:16Z"},{"alias_kind":"pith_short_16","alias_value":"CSES7A5ZTOCLPDH7","created_at":"2026-07-05T11:40:16Z"},{"alias_kind":"pith_short_8","alias_value":"CSES7A5Z","created_at":"2026-07-05T11:40:16Z"}],"graph_snapshots":[{"event_id":"sha256:2f976eb47625e9db2922b92f622d8801e1829a38fb7ef0766c498b2436c663db","target":"graph","created_at":"2026-07-05T11:40:16Z","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/2507.14979/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present an in-depth photometric and spectroscopic study of the contact binary KIC 7766185. Spectroscopic observations were conducted on the Mayall 4-m telescope at Kitt Peak National Observatory and used to extract radial velocities. Using the radial velocity measurements, Kepler photometry, and Gaia multi-color photometry, binary analysis was performed in PHOEBE to determine orbital and stellar parameters. The results classify KIC 7766185 as an A-type W UMa system and reveal one of the largest and most massive secondary stars in the sample of well studied W UMa systems. The two stars are i","authors_text":"Andrej Prsa, Conor M Larsen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-07-20T14:21:48Z","title":"Binary Analysis and Period Study of the Long-Period, High Mass Ratio Contact Binary KIC 7766185"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.14979","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":"sha256:3debcd1723b450924210ae929d6f70dc407e245b956fa807aa51561e7cc2aecf","target":"record","created_at":"2026-07-05T11:40:16Z","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":"477a0994e8f364cd79c7c70373865619a6712518a44fab1d7cafefb5c0c9a4d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-07-20T14:21:48Z","title_canon_sha256":"c0701d3e59c8eb54a6bf5624e5a1a28bb464b2c1af10516c0d0ecf6e71648f5f"},"schema_version":"1.0","source":{"id":"2507.14979","kind":"arxiv","version":1}},"canonical_sha256":"14892f83b99b84b78cff832c38a1b07e4add3dc72d9dcda79a941f551c071ca7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"14892f83b99b84b78cff832c38a1b07e4add3dc72d9dcda79a941f551c071ca7","first_computed_at":"2026-07-05T11:40:16.140683Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:40:16.140683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2YOTO5isDoPWp7Do79inukxJ4J3NJjWxB5yN5WkSZeeOAQnsqCpnnd7tJL0cdO3jzzGZIEC7RtpQxQDHnzM+DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:40:16.141093Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.14979","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3debcd1723b450924210ae929d6f70dc407e245b956fa807aa51561e7cc2aecf","sha256:2f976eb47625e9db2922b92f622d8801e1829a38fb7ef0766c498b2436c663db"],"state_sha256":"05162f49956269a495cebcca565e05db7551a5a00293b77fdcc66610e42244a8"}