{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:L3PKEQSTJNGIN43PJ4O6SH7GYB","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":"0542443cdbda402b9fede7ffdec9d9853e49092ee2478d9ff403a7aacae9f7e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-02-21T19:00:01Z","title_canon_sha256":"447427b600fd425f776ce0983013182a21fce35597dfcc8054db64513cbbc9ef"},"schema_version":"1.0","source":{"id":"2202.10470","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.10470","created_at":"2026-07-05T04:19:54Z"},{"alias_kind":"arxiv_version","alias_value":"2202.10470v1","created_at":"2026-07-05T04:19:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.10470","created_at":"2026-07-05T04:19:54Z"},{"alias_kind":"pith_short_12","alias_value":"L3PKEQSTJNGI","created_at":"2026-07-05T04:19:54Z"},{"alias_kind":"pith_short_16","alias_value":"L3PKEQSTJNGIN43P","created_at":"2026-07-05T04:19:54Z"},{"alias_kind":"pith_short_8","alias_value":"L3PKEQST","created_at":"2026-07-05T04:19:54Z"}],"graph_snapshots":[{"event_id":"sha256:aa5b2c0a5f23518132b2fcf412c8d2b9344b4a5137e060007cab7f22f8c16c40","target":"graph","created_at":"2026-07-05T04:19:54Z","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/2202.10470/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Coronagraphic imaging of exoplanets using ground-based instruments on large telescopes is intrinsically limited by speckles induced by uncorrected aberrations. These aberrations originate from the imperfect correction of the atmosphere by an extreme adaptive optics system; from static optical defects; or from small opto-mechanical variations due to changes in temperature, pressure, or gravity vector. More than the speckles themselves, the performance of high-contrast imagers is ultimately limited by their temporal stability, since most post-processing techniques rely on difference of images ac","authors_text":"A. Caillat, A. Costille, A. Vigan, D. Mouillet, F. Cantalloube, G. Zins, J.-F. Sauvage, J. Girard, J.-L. Beuzit, J. Le Merrer, J. Milli, K. Dohlen, M. N'Diaye, S. Tourenq, Z. Wahhaj","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-02-21T19:00:01Z","title":"Calibration of quasi-static aberrations in exoplanet direct-imaging instruments with a Zernike phase-mask sensor. IV. Temporal stability of non-common path aberrations in VLT/SPHERE"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.10470","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":"sha256:9dfb2444f56e1c249874622d7cdd5e43ce88828c238288fb62d065542f44e6d4","target":"record","created_at":"2026-07-05T04:19:54Z","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":"0542443cdbda402b9fede7ffdec9d9853e49092ee2478d9ff403a7aacae9f7e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-02-21T19:00:01Z","title_canon_sha256":"447427b600fd425f776ce0983013182a21fce35597dfcc8054db64513cbbc9ef"},"schema_version":"1.0","source":{"id":"2202.10470","kind":"arxiv","version":1}},"canonical_sha256":"5edea242534b4c86f36f4f1de91fe6c079766c8db76eabf8da6013672a4c857b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5edea242534b4c86f36f4f1de91fe6c079766c8db76eabf8da6013672a4c857b","first_computed_at":"2026-07-05T04:19:54.793165Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:19:54.793165Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k0dM+b7Scn3RrafVSaB7cClvlS/y358DgrvcP3o8aqLsqiO72//9me8UX3JcMB0BrFsNAerRawnsW75ox9nwAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:19:54.793714Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.10470","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9dfb2444f56e1c249874622d7cdd5e43ce88828c238288fb62d065542f44e6d4","sha256:aa5b2c0a5f23518132b2fcf412c8d2b9344b4a5137e060007cab7f22f8c16c40"],"state_sha256":"41fc9b1da3fafb1bbc0a9f3896c27d2f7623b23a5910c2ab4be644206aba3793"}