{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:4QES6FBWCC4B6EZUBPTV22MFYN","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":"4ca14b5cd052565a9f3c6d56412c7401e2abe4774e523c0cf39e2136e3047ec2","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-04-16T10:30:46Z","title_canon_sha256":"f133dcea84fef96307d134cc35de99c9b7e94982b94782611e22a723145254a6"},"schema_version":"1.0","source":{"id":"2504.11954","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.11954","created_at":"2026-07-05T10:50:00Z"},{"alias_kind":"arxiv_version","alias_value":"2504.11954v1","created_at":"2026-07-05T10:50:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.11954","created_at":"2026-07-05T10:50:00Z"},{"alias_kind":"pith_short_12","alias_value":"4QES6FBWCC4B","created_at":"2026-07-05T10:50:00Z"},{"alias_kind":"pith_short_16","alias_value":"4QES6FBWCC4B6EZU","created_at":"2026-07-05T10:50:00Z"},{"alias_kind":"pith_short_8","alias_value":"4QES6FBW","created_at":"2026-07-05T10:50:00Z"}],"graph_snapshots":[{"event_id":"sha256:3da4ce1b621f58f5f779e4951262445519b85fe1e3ec6e8af0b234cef807a6f7","target":"graph","created_at":"2026-07-05T10:50:00Z","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/2504.11954/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The period, mass ratio, eccentricity, and other orbital parameters are fundamental for investigating binary star evolution. However, the number of binaries with known orbital parameters remains limited. Utilizing the LAMOST-MRS survey, we derived orbital solutions for 665 SB2 binaries by fitting the radial velocities of 1119 SB2 systems with at least six observations, employing a modified version of Thejoker optimized for SB2 binaries. To ensure the reliability of the results, four selection criteria were applied: reduced chi-square, normalized mean absolute error, maximum phase gap, and RV di","authors_text":"Guoliang Lu, Jiangdan Li, Jianping Xiong, Jiao Li, Mikhail Kovalev, Mingkuan Yang, Shi Jia, Sufen Guo, Tongyu He, Xuefei Chen, Zhanwen Han, Zhenwei Li","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-04-16T10:30:46Z","title":"Orbital Parameters of 665 Double-lined Spectroscopic Binaries in the LAMOST Medium-Resolution Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.11954","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:a2e59b7ad512420e4cf6de8f2b91b4b6aad3a3e559a09c36427a3a57a5196c5e","target":"record","created_at":"2026-07-05T10:50:00Z","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":"4ca14b5cd052565a9f3c6d56412c7401e2abe4774e523c0cf39e2136e3047ec2","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-04-16T10:30:46Z","title_canon_sha256":"f133dcea84fef96307d134cc35de99c9b7e94982b94782611e22a723145254a6"},"schema_version":"1.0","source":{"id":"2504.11954","kind":"arxiv","version":1}},"canonical_sha256":"e4092f143610b81f13340be75d6985c37551ab29a9e9f0b04d0b849503d61691","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e4092f143610b81f13340be75d6985c37551ab29a9e9f0b04d0b849503d61691","first_computed_at":"2026-07-05T10:50:00.402417Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:50:00.402417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KICjriECQGEevyAk2dliTq55hH0hNXOYgeczKH94ZAFIXwRvnio5NDZJ1v44xvBPvfkUWWNO5p1RUMxJnMwTBw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:50:00.402847Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.11954","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a2e59b7ad512420e4cf6de8f2b91b4b6aad3a3e559a09c36427a3a57a5196c5e","sha256:3da4ce1b621f58f5f779e4951262445519b85fe1e3ec6e8af0b234cef807a6f7"],"state_sha256":"43bd44b06ef395e3ec437acb4448cbe55efdd7ba88f160092e5ecc9ffb2be620"}