{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:OIXAKFLAINIXWSW2BJ2EYXXL5Y","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":"3c8f9e6fb8e45c2f0c39e72d658834e3d9d8a1d4e3f61057db5acb1f8a305204","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-03-22T09:40:20Z","title_canon_sha256":"bee8423da16960f375efc2b3ca5d1ac5449801203caa57d9ffe9ef521ee91aec"},"schema_version":"1.0","source":{"id":"1203.4931","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.4931","created_at":"2026-05-18T01:58:04Z"},{"alias_kind":"arxiv_version","alias_value":"1203.4931v1","created_at":"2026-05-18T01:58:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.4931","created_at":"2026-05-18T01:58:04Z"},{"alias_kind":"pith_short_12","alias_value":"OIXAKFLAINIX","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OIXAKFLAINIXWSW2","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OIXAKFLA","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:bc07cf218dfca84e5186fa10c85987cba44e5e9c1492e9a993b75dca416dd5ce","target":"graph","created_at":"2026-05-18T01:58:04Z","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 major noise source limiting high-contrast imaging is due to the presence of quasi-static speckles. Speckle noise originates from wavefront errors caused by various independent sources, and it evolves on different timescales pending to their nature. An understanding of quasi-static speckles originating from instrumental errors is paramount for the search of faint stellar companions. Instrumental speckles average to a fixed pattern, which can be calibrated to a certain extent, but their temporal evolution ultimately limit this possibility. This study focuses on the laboratory evidence and ch","authors_text":"C. Loose, E. Aller Carpentier, M. Kasper, P. Martinez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-03-22T09:40:20Z","title":"Speckle Temporal Stability in eXtreme Adaptive Optics Coronagraphic Images"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.4931","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:ffd7a32885098838c6dd5ebbb4a1da1c7f452b53ff5bc92b4bc17a79ae674fc7","target":"record","created_at":"2026-05-18T01:58:04Z","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":"3c8f9e6fb8e45c2f0c39e72d658834e3d9d8a1d4e3f61057db5acb1f8a305204","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-03-22T09:40:20Z","title_canon_sha256":"bee8423da16960f375efc2b3ca5d1ac5449801203caa57d9ffe9ef521ee91aec"},"schema_version":"1.0","source":{"id":"1203.4931","kind":"arxiv","version":1}},"canonical_sha256":"722e05156043517b4ada0a744c5eebee348ea16047ae7ecf8cc88a9adc0859c5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"722e05156043517b4ada0a744c5eebee348ea16047ae7ecf8cc88a9adc0859c5","first_computed_at":"2026-05-18T01:58:04.704219Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:04.704219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"R9iUblEQNQNBvDOWKLdUIurwlnzn1+MOwz8ye7yMps93FpE6fdjynkNyQi+B67rdrd132vcn7mywjxghNGfuBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:04.704660Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.4931","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ffd7a32885098838c6dd5ebbb4a1da1c7f452b53ff5bc92b4bc17a79ae674fc7","sha256:bc07cf218dfca84e5186fa10c85987cba44e5e9c1492e9a993b75dca416dd5ce"],"state_sha256":"e2648f9f8d824259d63d7838491d59650ff0cad163e433f0aa04a84866e5b286"}