{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:J5WAR5WFSTVRCTEBB5AKMCE3KG","short_pith_number":"pith:J5WAR5WF","canonical_record":{"source":{"id":"2210.12744","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-10-23T15:02:55Z","cross_cats_sorted":[],"title_canon_sha256":"9de9fbffaa456909fbe3b880afbad4c5b020f686c3c796737a5cc98d6c8f275e","abstract_canon_sha256":"d71a9f7941416c0ce0d136ed4709647e6b950dc0fe60ff787dc4c73d2cf38155"},"schema_version":"1.0"},"canonical_sha256":"4f6c08f6c594eb114c810f40a6089b51b999f081376ec204b430b068ac235fe9","source":{"kind":"arxiv","id":"2210.12744","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.12744","created_at":"2026-07-05T05:09:32Z"},{"alias_kind":"arxiv_version","alias_value":"2210.12744v1","created_at":"2026-07-05T05:09:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.12744","created_at":"2026-07-05T05:09:32Z"},{"alias_kind":"pith_short_12","alias_value":"J5WAR5WFSTVR","created_at":"2026-07-05T05:09:32Z"},{"alias_kind":"pith_short_16","alias_value":"J5WAR5WFSTVRCTEB","created_at":"2026-07-05T05:09:32Z"},{"alias_kind":"pith_short_8","alias_value":"J5WAR5WF","created_at":"2026-07-05T05:09:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:J5WAR5WFSTVRCTEBB5AKMCE3KG","target":"record","payload":{"canonical_record":{"source":{"id":"2210.12744","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-10-23T15:02:55Z","cross_cats_sorted":[],"title_canon_sha256":"9de9fbffaa456909fbe3b880afbad4c5b020f686c3c796737a5cc98d6c8f275e","abstract_canon_sha256":"d71a9f7941416c0ce0d136ed4709647e6b950dc0fe60ff787dc4c73d2cf38155"},"schema_version":"1.0"},"canonical_sha256":"4f6c08f6c594eb114c810f40a6089b51b999f081376ec204b430b068ac235fe9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:09:32.431869Z","signature_b64":"l+In0YSWjA1DYDE5JulYtdb52MfIKNeim1kZ8f2HJ5CDx70PVMwxKuoAKIyb1YI6rN18e4+6iGBYAXP8+TVsCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f6c08f6c594eb114c810f40a6089b51b999f081376ec204b430b068ac235fe9","last_reissued_at":"2026-07-05T05:09:32.431457Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:09:32.431457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.12744","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:09:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nn9Bt+sW5eMSvnrglkzVljTl08w8qTR1OKkGCtYoH1gI/Nb9kgA0Prsp5OhxfUVA0QR/vxRTxl0hJHhR30bTAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T19:44:36.085408Z"},"content_sha256":"6386e9ff93df5b2acc33c889f32d0c5ce5727d994b8c1edd8de5e03452ae134a","schema_version":"1.0","event_id":"sha256:6386e9ff93df5b2acc33c889f32d0c5ce5727d994b8c1edd8de5e03452ae134a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:J5WAR5WFSTVRCTEBB5AKMCE3KG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimizing Fourier-Filtering WFS to reach sensitivity close to the fundamental limit","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Beno\\^it Neichel, C\\'edric Plantet, Jean-Fran\\c{c}ois Sauvage, Mahawa Ciss\\'e, Nicolas Levraud, Olivier Fauvarque, Thierry Fusco, Vincent Chambouleyron","submitted_at":"2022-10-23T15:02:55Z","abstract_excerpt":"To reach the full potential of the new generation of ground based telescopes, an extremely fine adjustment of the phase is required. Wavefront control and correction before detection has therefore become one of the cornerstones of instruments to achieve targeted performance, especially for high-contrast imaging. A crucial feature of accurate wavefront control leans on the wavefront sensor (WFS). We present a strategy to design new Fourier-Filtering WFS that encode the phase close from the fundamental photon efficiency limit. This strategy seems promising as it generates highly sensitive sensor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.12744","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2210.12744/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:09:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B6u8HKO3SHty5myMxy3ZJJvEx3Zu8hvUCJdDgxj6cVxCMmLqdgh27jH+oMZZrfrUQGfzYSMtB6YO42CrLa5BCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T19:44:36.086260Z"},"content_sha256":"5db53db12b31e372d835a52960e60971fc3f6f8ae0e358d1f783d515b47f5454","schema_version":"1.0","event_id":"sha256:5db53db12b31e372d835a52960e60971fc3f6f8ae0e358d1f783d515b47f5454"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J5WAR5WFSTVRCTEBB5AKMCE3KG/bundle.json","state_url":"https://pith.science/pith/J5WAR5WFSTVRCTEBB5AKMCE3KG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J5WAR5WFSTVRCTEBB5AKMCE3KG/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-05T19:44:36Z","links":{"resolver":"https://pith.science/pith/J5WAR5WFSTVRCTEBB5AKMCE3KG","bundle":"https://pith.science/pith/J5WAR5WFSTVRCTEBB5AKMCE3KG/bundle.json","state":"https://pith.science/pith/J5WAR5WFSTVRCTEBB5AKMCE3KG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J5WAR5WFSTVRCTEBB5AKMCE3KG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:J5WAR5WFSTVRCTEBB5AKMCE3KG","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":"d71a9f7941416c0ce0d136ed4709647e6b950dc0fe60ff787dc4c73d2cf38155","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-10-23T15:02:55Z","title_canon_sha256":"9de9fbffaa456909fbe3b880afbad4c5b020f686c3c796737a5cc98d6c8f275e"},"schema_version":"1.0","source":{"id":"2210.12744","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.12744","created_at":"2026-07-05T05:09:32Z"},{"alias_kind":"arxiv_version","alias_value":"2210.12744v1","created_at":"2026-07-05T05:09:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.12744","created_at":"2026-07-05T05:09:32Z"},{"alias_kind":"pith_short_12","alias_value":"J5WAR5WFSTVR","created_at":"2026-07-05T05:09:32Z"},{"alias_kind":"pith_short_16","alias_value":"J5WAR5WFSTVRCTEB","created_at":"2026-07-05T05:09:32Z"},{"alias_kind":"pith_short_8","alias_value":"J5WAR5WF","created_at":"2026-07-05T05:09:32Z"}],"graph_snapshots":[{"event_id":"sha256:5db53db12b31e372d835a52960e60971fc3f6f8ae0e358d1f783d515b47f5454","target":"graph","created_at":"2026-07-05T05:09:32Z","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/2210.12744/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"To reach the full potential of the new generation of ground based telescopes, an extremely fine adjustment of the phase is required. Wavefront control and correction before detection has therefore become one of the cornerstones of instruments to achieve targeted performance, especially for high-contrast imaging. A crucial feature of accurate wavefront control leans on the wavefront sensor (WFS). We present a strategy to design new Fourier-Filtering WFS that encode the phase close from the fundamental photon efficiency limit. This strategy seems promising as it generates highly sensitive sensor","authors_text":"Beno\\^it Neichel, C\\'edric Plantet, Jean-Fran\\c{c}ois Sauvage, Mahawa Ciss\\'e, Nicolas Levraud, Olivier Fauvarque, Thierry Fusco, Vincent Chambouleyron","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-10-23T15:02:55Z","title":"Optimizing Fourier-Filtering WFS to reach sensitivity close to the fundamental limit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.12744","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":"sha256:6386e9ff93df5b2acc33c889f32d0c5ce5727d994b8c1edd8de5e03452ae134a","target":"record","created_at":"2026-07-05T05:09:32Z","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":"d71a9f7941416c0ce0d136ed4709647e6b950dc0fe60ff787dc4c73d2cf38155","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-10-23T15:02:55Z","title_canon_sha256":"9de9fbffaa456909fbe3b880afbad4c5b020f686c3c796737a5cc98d6c8f275e"},"schema_version":"1.0","source":{"id":"2210.12744","kind":"arxiv","version":1}},"canonical_sha256":"4f6c08f6c594eb114c810f40a6089b51b999f081376ec204b430b068ac235fe9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f6c08f6c594eb114c810f40a6089b51b999f081376ec204b430b068ac235fe9","first_computed_at":"2026-07-05T05:09:32.431457Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:09:32.431457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l+In0YSWjA1DYDE5JulYtdb52MfIKNeim1kZ8f2HJ5CDx70PVMwxKuoAKIyb1YI6rN18e4+6iGBYAXP8+TVsCg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:09:32.431869Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.12744","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6386e9ff93df5b2acc33c889f32d0c5ce5727d994b8c1edd8de5e03452ae134a","sha256:5db53db12b31e372d835a52960e60971fc3f6f8ae0e358d1f783d515b47f5454"],"state_sha256":"78ccf785db1539ec0d736d700452fc3dc5d9651ba4c1d31a9f196ce993e1093d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DOIHNgjoer9HqQdSbd7/DxG2g/hlzR0khf8GqbweAKcLByrLgeMomcq9PQgKMokdoEZ2s6hgibOepkCyqCCqAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T19:44:36.091688Z","bundle_sha256":"56638b19f18a8cebb544b2f89f1e8ee12e8d7aed7ddf41a3cd1316f18c1b1c23"}}