{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:PYQXLJZVCQ5PXIX34R2QEXPRZJ","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":"ad3d96820a6dd22bed0ec4b82679b76ffab19d990c8beef31e30bb0b97f871c9","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-02-14T21:58:04Z","title_canon_sha256":"5f7732d26a487c845bb521c0c21452a2792b069c37ab006cc34d8b65645d1f89"},"schema_version":"1.0","source":{"id":"1102.2911","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.2911","created_at":"2026-05-18T02:03:11Z"},{"alias_kind":"arxiv_version","alias_value":"1102.2911v1","created_at":"2026-05-18T02:03:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.2911","created_at":"2026-05-18T02:03:11Z"},{"alias_kind":"pith_short_12","alias_value":"PYQXLJZVCQ5P","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"PYQXLJZVCQ5PXIX3","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"PYQXLJZV","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:7b222b47989b31c7db53ba02831d28ea6588a4ad0c7550dd128f43449d389329","target":"graph","created_at":"2026-05-18T02:03:11Z","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":"The PHOT (Portable High-Speed Occultation Telescope) systems were developed for the specific purpose of observing stellar occultations by solar system objects. Stellar occultations have unique observing constraints: they may only be observable from certain parts of the globe; they often require a rapid observing cadence; and they require accurate timestamp information for each exposure. The PHOT systems consist of 14\" telescopes, CCD cameras, camera mounting plates, GPS-based time standards, and data acquisition computers. The PHOT systems are similar in principle to the POETS systems (Portabl","authors_text":"C. B. Olkin, E. F. Young, J. Regester, K. Shoemaker, L. A. Young, M. W. Buie, R. G. French","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-02-14T21:58:04Z","title":"Development and Performance of the PHOT (Portable High-Speed Occultation Telescope) Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.2911","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":"sha256:627117a1a1075b604ca08e39b755fc573324040cc95d5fe370320c7c889507d4","target":"record","created_at":"2026-05-18T02:03:11Z","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":"ad3d96820a6dd22bed0ec4b82679b76ffab19d990c8beef31e30bb0b97f871c9","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-02-14T21:58:04Z","title_canon_sha256":"5f7732d26a487c845bb521c0c21452a2792b069c37ab006cc34d8b65645d1f89"},"schema_version":"1.0","source":{"id":"1102.2911","kind":"arxiv","version":1}},"canonical_sha256":"7e2175a735143afba2fbe475025df1ca56d0e9e74332a111338f58c9d9dfe75d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e2175a735143afba2fbe475025df1ca56d0e9e74332a111338f58c9d9dfe75d","first_computed_at":"2026-05-18T02:03:11.159938Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:11.159938Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OtWV4LDeo2YdEKvVi3nTyba1KsejdJQ0FtNjNPbRvnDTCqAqi30uKAGlj63lCsqo09Xu6eurbsRyELIuR6jjBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:11.160464Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.2911","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:627117a1a1075b604ca08e39b755fc573324040cc95d5fe370320c7c889507d4","sha256:7b222b47989b31c7db53ba02831d28ea6588a4ad0c7550dd128f43449d389329"],"state_sha256":"ebbedfb25c0b72aa3c327628344907e506a8337ca7260683b8ef2c966b4d1ce8"}