{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:SOTUHXL6KWQHS3CM7SFEXJBRAB","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":"9b6406db19fe21f1e1c02fb981c82be739829cb8dc4c1f0653335eb0ad4e6313","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-11-07T11:41:05Z","title_canon_sha256":"05246b6986ce2cd0c58b8fa3ddb0106570186cdd4817d75b16a9c79449bb9869"},"schema_version":"1.0","source":{"id":"astro-ph/0511176","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0511176","created_at":"2026-07-04T14:50:57Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0511176v1","created_at":"2026-07-04T14:50:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0511176","created_at":"2026-07-04T14:50:57Z"},{"alias_kind":"pith_short_12","alias_value":"SOTUHXL6KWQH","created_at":"2026-07-04T14:50:57Z"},{"alias_kind":"pith_short_16","alias_value":"SOTUHXL6KWQHS3CM","created_at":"2026-07-04T14:50:57Z"},{"alias_kind":"pith_short_8","alias_value":"SOTUHXL6","created_at":"2026-07-04T14:50:57Z"}],"graph_snapshots":[{"event_id":"sha256:5c0c643c8010ce990a7c11451d93c0b76fdbf01671c7b41bbd7de0ddccb3753a","target":"graph","created_at":"2026-07-04T14:50:57Z","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/astro-ph/0511176/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The study of binary stars is worth to undertake not only to learn more about the properties of binaries as such, but also because binaries are multi-purpose astrophysical tools. This paper reviews some of the ways this effective \"tool\" can be used, focusing on fundamental parameter determination, tests of theoretical models, and the recent contribution of binary stars to establish the distance to the Magellanic Clouds, and therefore, the first rungs of the cosmological distance ladder.","authors_text":"Carla Maceroni","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-11-07T11:41:05Z","title":"Binaries as astrophysical laboratories: an overview"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0511176","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:b738c5503507b6c46951cc88b622f054c226e9465c02fbccf96bae037a691c53","target":"record","created_at":"2026-07-04T14:50:57Z","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":"9b6406db19fe21f1e1c02fb981c82be739829cb8dc4c1f0653335eb0ad4e6313","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-11-07T11:41:05Z","title_canon_sha256":"05246b6986ce2cd0c58b8fa3ddb0106570186cdd4817d75b16a9c79449bb9869"},"schema_version":"1.0","source":{"id":"astro-ph/0511176","kind":"arxiv","version":1}},"canonical_sha256":"93a743dd7e55a0796c4cfc8a4ba4310064ca07d82d5872898bb4aaf91762bf48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"93a743dd7e55a0796c4cfc8a4ba4310064ca07d82d5872898bb4aaf91762bf48","first_computed_at":"2026-07-04T14:50:57.277849Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:50:57.277849Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Mg62MQoQAt5XiQ5Cvx6uKtqJWBW5E/ZG0TnEzf/BLtauQjEEowcisazIyT5lE6b7xhEnfeFFFRzptxRGpwWfCw==","signature_status":"signed_v1","signed_at":"2026-07-04T14:50:57.278302Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0511176","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b738c5503507b6c46951cc88b622f054c226e9465c02fbccf96bae037a691c53","sha256:5c0c643c8010ce990a7c11451d93c0b76fdbf01671c7b41bbd7de0ddccb3753a"],"state_sha256":"be37b24aab26f697cefa85acbe999c898d3c6bd96f5a7c1ddfc5463820baf469"}