{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:II5I4FJRHVTJOYPKU3MGWDLT4M","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":"ce4d175174270952b4aee25b7e109fc5b3d970d5140a07e5fa64a7e007e2d879","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-10-12T10:09:36Z","title_canon_sha256":"22d484a2e913a96e35f568f5fffefd8c7286e129c48995f43a1866b79dfe2edd"},"schema_version":"1.0","source":{"id":"1110.2621","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.2621","created_at":"2026-05-18T02:00:13Z"},{"alias_kind":"arxiv_version","alias_value":"1110.2621v1","created_at":"2026-05-18T02:00:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2621","created_at":"2026-05-18T02:00:13Z"},{"alias_kind":"pith_short_12","alias_value":"II5I4FJRHVTJ","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"II5I4FJRHVTJOYPK","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"II5I4FJR","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:16dc9a090f6b02ca112db6662808481e40dcaf662a6dd8b03f01bf192a491286","target":"graph","created_at":"2026-05-18T02:00:13Z","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":"This paper, first, presents introductory reviews of the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission and the SPICA Coronagraph Instrument (SCI). SPICA will realize a 3m class telescope cooled to 6K in orbit. The launch of SPICA is planned to take place in FY2018. The SPICA mission provides us with a unique opportunity to make high dynamic-range observations because of its large telescope aperture, high stability, and the capability for making infrared observations from deep space. The SCI is a high dynamic-range instrument proposed for SPICA. The primary objectives f","authors_text":"K. Enya, L. Abe, S. Takeuchi, T. Kotani, T. Yamamuro","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-10-12T10:09:36Z","title":"A high dynamic-range instrument for SPICA for coronagraphic observation of exoplanets and monitoring of transiting exoplanets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2621","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":"sha256:56ebe8d212e80882fdccbe8e337d3c2c9f0243833b74751ee7bf4a3de20a5110","target":"record","created_at":"2026-05-18T02:00:13Z","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":"ce4d175174270952b4aee25b7e109fc5b3d970d5140a07e5fa64a7e007e2d879","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-10-12T10:09:36Z","title_canon_sha256":"22d484a2e913a96e35f568f5fffefd8c7286e129c48995f43a1866b79dfe2edd"},"schema_version":"1.0","source":{"id":"1110.2621","kind":"arxiv","version":1}},"canonical_sha256":"423a8e15313d669761eaa6d86b0d73e317e41386883062e5fd4165370abb5ee7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"423a8e15313d669761eaa6d86b0d73e317e41386883062e5fd4165370abb5ee7","first_computed_at":"2026-05-18T02:00:13.292373Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:13.292373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y5EDOMihuNHPPPDV7iU3dkKQzMv+HbFE8y2/K/+PyHUNJUknPOMU0QseeQSdMT/einKOEmSDtI6yuyS1fxTuCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:13.292908Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.2621","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:56ebe8d212e80882fdccbe8e337d3c2c9f0243833b74751ee7bf4a3de20a5110","sha256:16dc9a090f6b02ca112db6662808481e40dcaf662a6dd8b03f01bf192a491286"],"state_sha256":"2f802cc8ea71a809da25f62b9867c13053ba0b0a021d564bfbf7d11809d6d474"}