{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:ZL5SVIRWRBXZCU6DJPRXJYDOT3","short_pith_number":"pith:ZL5SVIRW","canonical_record":{"source":{"id":"astro-ph/0606681","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-28T09:44:48Z","cross_cats_sorted":[],"title_canon_sha256":"c344947b051a468f75df83fd6a73b19cd2ec68bf23575cd32a5883acdbb6e8af","abstract_canon_sha256":"cff65383bf652af2d08eb1797c180e96e98fec1658ef06277b9e812e62158805"},"schema_version":"1.0"},"canonical_sha256":"cafb2aa236886f9153c34be374e06e9ed1c4166848256001ea2ca49a3d4e3268","source":{"kind":"arxiv","id":"astro-ph/0606681","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0606681","created_at":"2026-05-18T01:09:10Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0606681v1","created_at":"2026-05-18T01:09:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0606681","created_at":"2026-05-18T01:09:10Z"},{"alias_kind":"pith_short_12","alias_value":"ZL5SVIRWRBXZ","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"ZL5SVIRWRBXZCU6D","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"ZL5SVIRW","created_at":"2026-05-18T12:25:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:ZL5SVIRWRBXZCU6DJPRXJYDOT3","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0606681","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-28T09:44:48Z","cross_cats_sorted":[],"title_canon_sha256":"c344947b051a468f75df83fd6a73b19cd2ec68bf23575cd32a5883acdbb6e8af","abstract_canon_sha256":"cff65383bf652af2d08eb1797c180e96e98fec1658ef06277b9e812e62158805"},"schema_version":"1.0"},"canonical_sha256":"cafb2aa236886f9153c34be374e06e9ed1c4166848256001ea2ca49a3d4e3268","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:10.549061Z","signature_b64":"nCpZBVNFGJ/BohftKenQEZSMtsS88YigbBKkC5hLP5g127GFjv3zmTsS034czX0/jX329K0xMXx0H9YZdw7QDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cafb2aa236886f9153c34be374e06e9ed1c4166848256001ea2ca49a3d4e3268","last_reissued_at":"2026-05-18T01:09:10.548403Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:10.548403Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0606681","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":"2026-05-18T01:09:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mwE8LBko64ACZS6+X/Fy/MAdyKJLN15rltOAkjy6zTzcbKcOmxEoryhj0LrO49Kzg61Mpe1MkXkuX0GuyEv9CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T20:46:08.648260Z"},"content_sha256":"da85c7bf99030f6add5502d1c3a3899088757370801941452322bc1c724a1ebe","schema_version":"1.0","event_id":"sha256:da85c7bf99030f6add5502d1c3a3899088757370801941452322bc1c724a1ebe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:ZL5SVIRWRBXZCU6DJPRXJYDOT3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New algorithms for adaptive optics point-spread function reconstruction","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Eric Gendron (LESIA), G\\'erard Rousset (LESIA), Thierry Fusco (DOTA), Yann Cl\\'enet (LESIA)","submitted_at":"2006-06-28T09:44:48Z","abstract_excerpt":"Context. The knowledge of the point-spread function compensated by adaptive optics is of prime importance in several image restoration techniques such as deconvolution and astrometric/photometric algorithms. Wavefront-related data from the adaptive optics real-time computer can be used to accurately estimate the point-spread function in adaptive optics observations. The only point-spread function reconstruction algorithm implemented on astronomical adaptive optics system makes use of particular functions, named $U\\_{ij}$. These $U\\_{ij}$ functions are derived from the mirror modes, and their n"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0606681","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":""},"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":"2026-05-18T01:09:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ru2W851D89QtTTaffsSO/oPZba1qIEtcEbkOME5LD+lbMdfaC4Edo50ooMdHpwtf+POLXzmvvdiU2f8zpTy3DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T20:46:08.648666Z"},"content_sha256":"dfe40bb97c2cc4687f2836bf856410d86d3f21843c3fbfb1e42861d8e718c0e7","schema_version":"1.0","event_id":"sha256:dfe40bb97c2cc4687f2836bf856410d86d3f21843c3fbfb1e42861d8e718c0e7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZL5SVIRWRBXZCU6DJPRXJYDOT3/bundle.json","state_url":"https://pith.science/pith/ZL5SVIRWRBXZCU6DJPRXJYDOT3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZL5SVIRWRBXZCU6DJPRXJYDOT3/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":"2026-06-11T20:46:08Z","links":{"resolver":"https://pith.science/pith/ZL5SVIRWRBXZCU6DJPRXJYDOT3","bundle":"https://pith.science/pith/ZL5SVIRWRBXZCU6DJPRXJYDOT3/bundle.json","state":"https://pith.science/pith/ZL5SVIRWRBXZCU6DJPRXJYDOT3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZL5SVIRWRBXZCU6DJPRXJYDOT3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:ZL5SVIRWRBXZCU6DJPRXJYDOT3","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":"cff65383bf652af2d08eb1797c180e96e98fec1658ef06277b9e812e62158805","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-28T09:44:48Z","title_canon_sha256":"c344947b051a468f75df83fd6a73b19cd2ec68bf23575cd32a5883acdbb6e8af"},"schema_version":"1.0","source":{"id":"astro-ph/0606681","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0606681","created_at":"2026-05-18T01:09:10Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0606681v1","created_at":"2026-05-18T01:09:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0606681","created_at":"2026-05-18T01:09:10Z"},{"alias_kind":"pith_short_12","alias_value":"ZL5SVIRWRBXZ","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"ZL5SVIRWRBXZCU6D","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"ZL5SVIRW","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:dfe40bb97c2cc4687f2836bf856410d86d3f21843c3fbfb1e42861d8e718c0e7","target":"graph","created_at":"2026-05-18T01:09:10Z","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":"Context. The knowledge of the point-spread function compensated by adaptive optics is of prime importance in several image restoration techniques such as deconvolution and astrometric/photometric algorithms. Wavefront-related data from the adaptive optics real-time computer can be used to accurately estimate the point-spread function in adaptive optics observations. The only point-spread function reconstruction algorithm implemented on astronomical adaptive optics system makes use of particular functions, named $U\\_{ij}$. These $U\\_{ij}$ functions are derived from the mirror modes, and their n","authors_text":"Eric Gendron (LESIA), G\\'erard Rousset (LESIA), Thierry Fusco (DOTA), Yann Cl\\'enet (LESIA)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-06-28T09:44:48Z","title":"New algorithms for adaptive optics point-spread function reconstruction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0606681","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:da85c7bf99030f6add5502d1c3a3899088757370801941452322bc1c724a1ebe","target":"record","created_at":"2026-05-18T01:09:10Z","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":"cff65383bf652af2d08eb1797c180e96e98fec1658ef06277b9e812e62158805","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-06-28T09:44:48Z","title_canon_sha256":"c344947b051a468f75df83fd6a73b19cd2ec68bf23575cd32a5883acdbb6e8af"},"schema_version":"1.0","source":{"id":"astro-ph/0606681","kind":"arxiv","version":1}},"canonical_sha256":"cafb2aa236886f9153c34be374e06e9ed1c4166848256001ea2ca49a3d4e3268","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cafb2aa236886f9153c34be374e06e9ed1c4166848256001ea2ca49a3d4e3268","first_computed_at":"2026-05-18T01:09:10.548403Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:10.548403Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nCpZBVNFGJ/BohftKenQEZSMtsS88YigbBKkC5hLP5g127GFjv3zmTsS034czX0/jX329K0xMXx0H9YZdw7QDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:10.549061Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0606681","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da85c7bf99030f6add5502d1c3a3899088757370801941452322bc1c724a1ebe","sha256:dfe40bb97c2cc4687f2836bf856410d86d3f21843c3fbfb1e42861d8e718c0e7"],"state_sha256":"974684a81cc761eac25f0a5e6e1ce1790e7c809b555a2a1efd6ca3e74adea6cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cCa3rZSOOo9I5/1qyEWnsMfGml53jpgOzZyUMQkRycJjVSdMPjhvZqLNBS+Sbjxt3KPhWO2wSsi7VdK7pXTPCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T20:46:08.652290Z","bundle_sha256":"86552cfc0b3f34287928b33fb87b9776fe2c37c676589f82db8514adfbe50404"}}