{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:3HXL7ZPA37CRB2HQXRLQSMUSJS","short_pith_number":"pith:3HXL7ZPA","canonical_record":{"source":{"id":"1405.6862","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-05-27T10:30:14Z","cross_cats_sorted":[],"title_canon_sha256":"527f9d0a404178a27d89514120491dde8aa51db83de85a4bde154be5c1fba368","abstract_canon_sha256":"7c5d29ce2b5de538a71c35f46090b58facfb511d6145b79aa90d4bf69b70c5ce"},"schema_version":"1.0"},"canonical_sha256":"d9eebfe5e0dfc510e8f0bc570932924c9eab978cbdcd370151a50a0a36291073","source":{"kind":"arxiv","id":"1405.6862","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.6862","created_at":"2026-05-18T02:51:00Z"},{"alias_kind":"arxiv_version","alias_value":"1405.6862v1","created_at":"2026-05-18T02:51:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.6862","created_at":"2026-05-18T02:51:00Z"},{"alias_kind":"pith_short_12","alias_value":"3HXL7ZPA37CR","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3HXL7ZPA37CRB2HQ","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3HXL7ZPA","created_at":"2026-05-18T12:28:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:3HXL7ZPA37CRB2HQXRLQSMUSJS","target":"record","payload":{"canonical_record":{"source":{"id":"1405.6862","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-05-27T10:30:14Z","cross_cats_sorted":[],"title_canon_sha256":"527f9d0a404178a27d89514120491dde8aa51db83de85a4bde154be5c1fba368","abstract_canon_sha256":"7c5d29ce2b5de538a71c35f46090b58facfb511d6145b79aa90d4bf69b70c5ce"},"schema_version":"1.0"},"canonical_sha256":"d9eebfe5e0dfc510e8f0bc570932924c9eab978cbdcd370151a50a0a36291073","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:51:00.183973Z","signature_b64":"FUJ4PSl6aWSE1/Vyu9U/J1wcWVUFopUlegMf6Qv+oH8B6MRp0LtpqMZNntrtNwSqx4ACg2Rk+b6tJsl9wPL9Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d9eebfe5e0dfc510e8f0bc570932924c9eab978cbdcd370151a50a0a36291073","last_reissued_at":"2026-05-18T02:51:00.183577Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:51:00.183577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.6862","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":"2026-05-18T02:51:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BH4+oV6YCY3BPG5h4iDeoQJGjPP13Lfnrt/1qg5VqaF81s+3bDjpulVwfkJuQ/FzfnH03Wenlal4HhcXlcGxCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T07:27:50.750186Z"},"content_sha256":"72d80192e65168b677380f80153a70fe12824cfb724076816869c59fd53525ae","schema_version":"1.0","event_id":"sha256:72d80192e65168b677380f80153a70fe12824cfb724076816869c59fd53525ae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:3HXL7ZPA37CRB2HQXRLQSMUSJS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Open-loop tomography with artificial neural networks on CANARY: on-sky results","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. Basden, A. Gueslaga, D. Gratadour, D. Guzman, E. Gendron, F.J. De Cos Juez, F.S. Lasheras, G. Rousset, J. Osborn, M.G. Victoria, M.L.S. Rodriguez, R.M. Myers, T. Butterley, T.J. Morris","submitted_at":"2014-05-27T10:30:14Z","abstract_excerpt":"We present recent results from the initial testing of an Artificial Neural Network (ANN) based tomographic reconstructor Complex Atmospheric Reconstructor based on Machine lEarNing (CARMEN) on Canary, an Adaptive Optics demonstrator operated on the 4.2m William Herschel Telescope, La Palma. The reconstructor was compared with contemporaneous data using the Learn and Apply (L&A) tomographic reconstructor. We find that the fully optimised L&A tomographic reconstructor outperforms CARMEN by approximately 5% in Strehl ratio or 15nm rms in wavefront error. We also present results for Canary in Grou"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.6862","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":"2026-05-18T02:51:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b1GgRaBsTEhTwvmdg8QNO7V/R/Byd45PafGGB7aZiulgnxXYUomSG0fbt/qMlwR6hG9WL/O1m0uSVDUu1WN8Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T07:27:50.750555Z"},"content_sha256":"72069e86dbf3a528864d0d879a56205de62a0fd7d7a9e6cf79831de3eefbb4a8","schema_version":"1.0","event_id":"sha256:72069e86dbf3a528864d0d879a56205de62a0fd7d7a9e6cf79831de3eefbb4a8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3HXL7ZPA37CRB2HQXRLQSMUSJS/bundle.json","state_url":"https://pith.science/pith/3HXL7ZPA37CRB2HQXRLQSMUSJS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3HXL7ZPA37CRB2HQXRLQSMUSJS/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":"2026-06-20T07:27:50Z","links":{"resolver":"https://pith.science/pith/3HXL7ZPA37CRB2HQXRLQSMUSJS","bundle":"https://pith.science/pith/3HXL7ZPA37CRB2HQXRLQSMUSJS/bundle.json","state":"https://pith.science/pith/3HXL7ZPA37CRB2HQXRLQSMUSJS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3HXL7ZPA37CRB2HQXRLQSMUSJS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:3HXL7ZPA37CRB2HQXRLQSMUSJS","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":"7c5d29ce2b5de538a71c35f46090b58facfb511d6145b79aa90d4bf69b70c5ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-05-27T10:30:14Z","title_canon_sha256":"527f9d0a404178a27d89514120491dde8aa51db83de85a4bde154be5c1fba368"},"schema_version":"1.0","source":{"id":"1405.6862","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.6862","created_at":"2026-05-18T02:51:00Z"},{"alias_kind":"arxiv_version","alias_value":"1405.6862v1","created_at":"2026-05-18T02:51:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.6862","created_at":"2026-05-18T02:51:00Z"},{"alias_kind":"pith_short_12","alias_value":"3HXL7ZPA37CR","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3HXL7ZPA37CRB2HQ","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3HXL7ZPA","created_at":"2026-05-18T12:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:72069e86dbf3a528864d0d879a56205de62a0fd7d7a9e6cf79831de3eefbb4a8","target":"graph","created_at":"2026-05-18T02:51:00Z","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":"We present recent results from the initial testing of an Artificial Neural Network (ANN) based tomographic reconstructor Complex Atmospheric Reconstructor based on Machine lEarNing (CARMEN) on Canary, an Adaptive Optics demonstrator operated on the 4.2m William Herschel Telescope, La Palma. The reconstructor was compared with contemporaneous data using the Learn and Apply (L&A) tomographic reconstructor. We find that the fully optimised L&A tomographic reconstructor outperforms CARMEN by approximately 5% in Strehl ratio or 15nm rms in wavefront error. We also present results for Canary in Grou","authors_text":"A. Basden, A. Gueslaga, D. Gratadour, D. Guzman, E. Gendron, F.J. De Cos Juez, F.S. Lasheras, G. Rousset, J. Osborn, M.G. Victoria, M.L.S. Rodriguez, R.M. Myers, T. Butterley, T.J. Morris","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-05-27T10:30:14Z","title":"Open-loop tomography with artificial neural networks on CANARY: on-sky results"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.6862","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":"sha256:72d80192e65168b677380f80153a70fe12824cfb724076816869c59fd53525ae","target":"record","created_at":"2026-05-18T02:51:00Z","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":"7c5d29ce2b5de538a71c35f46090b58facfb511d6145b79aa90d4bf69b70c5ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-05-27T10:30:14Z","title_canon_sha256":"527f9d0a404178a27d89514120491dde8aa51db83de85a4bde154be5c1fba368"},"schema_version":"1.0","source":{"id":"1405.6862","kind":"arxiv","version":1}},"canonical_sha256":"d9eebfe5e0dfc510e8f0bc570932924c9eab978cbdcd370151a50a0a36291073","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d9eebfe5e0dfc510e8f0bc570932924c9eab978cbdcd370151a50a0a36291073","first_computed_at":"2026-05-18T02:51:00.183577Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:51:00.183577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FUJ4PSl6aWSE1/Vyu9U/J1wcWVUFopUlegMf6Qv+oH8B6MRp0LtpqMZNntrtNwSqx4ACg2Rk+b6tJsl9wPL9Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:51:00.183973Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.6862","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:72d80192e65168b677380f80153a70fe12824cfb724076816869c59fd53525ae","sha256:72069e86dbf3a528864d0d879a56205de62a0fd7d7a9e6cf79831de3eefbb4a8"],"state_sha256":"e122b73bd5fff5cfb8a0403dfcf3b64e3b8d54185ba1d12b95162853263920e1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZuSJ8cq7XXIxXsD5Pe1cbz++kcyS6LI84IVmFAv5djMOBiZDWFlIoNF6I7r3IvBVfUuEwV5yASpJJuXHmbEgBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T07:27:50.752471Z","bundle_sha256":"c52033c0b6e3cde22c8da45c94f6efd87741847ea3b606029840679c3d3cbc56"}}