{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:FNIBZRBBZH6UFGU637UNUUDEWH","short_pith_number":"pith:FNIBZRBB","canonical_record":{"source":{"id":"1008.4475","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-26T11:14:59Z","cross_cats_sorted":[],"title_canon_sha256":"89a224d6a0b2c1168f8c5ccf88e88d5ca7e66ec6cb3c4dc11706a7ac1d252289","abstract_canon_sha256":"9e432728379ca2de5673e5f76d0e2a03872a95f81dd389b60167c0861502d0a4"},"schema_version":"1.0"},"canonical_sha256":"2b501cc421c9fd429a9edfe8da5064b1d445f9f3a30060193d79b31b11f2d92f","source":{"kind":"arxiv","id":"1008.4475","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.4475","created_at":"2026-05-18T04:41:45Z"},{"alias_kind":"arxiv_version","alias_value":"1008.4475v1","created_at":"2026-05-18T04:41:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.4475","created_at":"2026-05-18T04:41:45Z"},{"alias_kind":"pith_short_12","alias_value":"FNIBZRBBZH6U","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"FNIBZRBBZH6UFGU6","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"FNIBZRBB","created_at":"2026-05-18T12:26:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:FNIBZRBBZH6UFGU637UNUUDEWH","target":"record","payload":{"canonical_record":{"source":{"id":"1008.4475","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-26T11:14:59Z","cross_cats_sorted":[],"title_canon_sha256":"89a224d6a0b2c1168f8c5ccf88e88d5ca7e66ec6cb3c4dc11706a7ac1d252289","abstract_canon_sha256":"9e432728379ca2de5673e5f76d0e2a03872a95f81dd389b60167c0861502d0a4"},"schema_version":"1.0"},"canonical_sha256":"2b501cc421c9fd429a9edfe8da5064b1d445f9f3a30060193d79b31b11f2d92f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:41:45.249744Z","signature_b64":"nvP/b3iC2Zo6L+cS/EeKWrQIaqWptgb/+EuC66g6v/iqzYOV8MDz3jLAI/Lm7cX0kOTrW9Eflk/1dGrziBpeCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2b501cc421c9fd429a9edfe8da5064b1d445f9f3a30060193d79b31b11f2d92f","last_reissued_at":"2026-05-18T04:41:45.249249Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:41:45.249249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.4475","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":"2026-05-18T04:41:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"632T1dQCVfDi8QygcTmfWj9Ikimeu5As1fyNl9WeEl36FlVtzh5wE2LSuyIuENMSU01021SCZUsjdtABl3cNBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:21:58.141044Z"},"content_sha256":"9247bc07fde1e9b9ebe692b242fd23cf0e1afbdeca61f4e4fcb6e90ac7c65e6c","schema_version":"1.0","event_id":"sha256:9247bc07fde1e9b9ebe692b242fd23cf0e1afbdeca61f4e4fcb6e90ac7c65e6c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:FNIBZRBBZH6UFGU637UNUUDEWH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Numerical control matrix rotation for the LINC-NIRVANA Multi-Conjugate Adaptive Optics system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Alfio Puglisi, Armando Riccardi, Carmelo Arcidiacono, Enrico Pinna, Fernando Quiros-Pacheco, Jacopo Farinato, Lorenzo Busoni, Luca Fini, Marco Xompero, Roberto Ragazzoni, Runa Briguglio, Simone Esposito, Thomas Bertram","submitted_at":"2010-08-26T11:14:59Z","abstract_excerpt":"LINC-NIRVANA will realize the interferometric imaging focal station of the Large Binocular Telescope. A double Layer Oriented multi-conjugate adaptive optics system assists the two arms of the interferometer, supplying high order wave-front correction. In order to counterbalance the field rotation, mechanical derotation for the two ground wave-front sensors, and optical derotators for the mid-high layers sensors fix the positions of the focal planes with respect to the pyramids aboard the wave-front sensors. The derotation introduces pupil images rotation on the wavefront sensors: the projecti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.4475","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":"2026-05-18T04:41:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dU8xUvmIW5AV18MDIa+8/RWugMb66eHgXMPnOejt0Q4D+S9A0CRPbIpz36oFMTuUL3YwWXpg/t1s+Pv5UeqGBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:21:58.141457Z"},"content_sha256":"23ce638fc45ea0ce022adbb551e1fde8a9c9bc66c6b895b0f08257092f161e6b","schema_version":"1.0","event_id":"sha256:23ce638fc45ea0ce022adbb551e1fde8a9c9bc66c6b895b0f08257092f161e6b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FNIBZRBBZH6UFGU637UNUUDEWH/bundle.json","state_url":"https://pith.science/pith/FNIBZRBBZH6UFGU637UNUUDEWH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FNIBZRBBZH6UFGU637UNUUDEWH/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":"2026-05-25T18:21:58Z","links":{"resolver":"https://pith.science/pith/FNIBZRBBZH6UFGU637UNUUDEWH","bundle":"https://pith.science/pith/FNIBZRBBZH6UFGU637UNUUDEWH/bundle.json","state":"https://pith.science/pith/FNIBZRBBZH6UFGU637UNUUDEWH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FNIBZRBBZH6UFGU637UNUUDEWH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:FNIBZRBBZH6UFGU637UNUUDEWH","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":"9e432728379ca2de5673e5f76d0e2a03872a95f81dd389b60167c0861502d0a4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-26T11:14:59Z","title_canon_sha256":"89a224d6a0b2c1168f8c5ccf88e88d5ca7e66ec6cb3c4dc11706a7ac1d252289"},"schema_version":"1.0","source":{"id":"1008.4475","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.4475","created_at":"2026-05-18T04:41:45Z"},{"alias_kind":"arxiv_version","alias_value":"1008.4475v1","created_at":"2026-05-18T04:41:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.4475","created_at":"2026-05-18T04:41:45Z"},{"alias_kind":"pith_short_12","alias_value":"FNIBZRBBZH6U","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"FNIBZRBBZH6UFGU6","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"FNIBZRBB","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:23ce638fc45ea0ce022adbb551e1fde8a9c9bc66c6b895b0f08257092f161e6b","target":"graph","created_at":"2026-05-18T04:41:45Z","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":"LINC-NIRVANA will realize the interferometric imaging focal station of the Large Binocular Telescope. A double Layer Oriented multi-conjugate adaptive optics system assists the two arms of the interferometer, supplying high order wave-front correction. In order to counterbalance the field rotation, mechanical derotation for the two ground wave-front sensors, and optical derotators for the mid-high layers sensors fix the positions of the focal planes with respect to the pyramids aboard the wave-front sensors. The derotation introduces pupil images rotation on the wavefront sensors: the projecti","authors_text":"Alfio Puglisi, Armando Riccardi, Carmelo Arcidiacono, Enrico Pinna, Fernando Quiros-Pacheco, Jacopo Farinato, Lorenzo Busoni, Luca Fini, Marco Xompero, Roberto Ragazzoni, Runa Briguglio, Simone Esposito, Thomas Bertram","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-26T11:14:59Z","title":"Numerical control matrix rotation for the LINC-NIRVANA Multi-Conjugate Adaptive Optics system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.4475","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":"sha256:9247bc07fde1e9b9ebe692b242fd23cf0e1afbdeca61f4e4fcb6e90ac7c65e6c","target":"record","created_at":"2026-05-18T04:41:45Z","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":"9e432728379ca2de5673e5f76d0e2a03872a95f81dd389b60167c0861502d0a4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-26T11:14:59Z","title_canon_sha256":"89a224d6a0b2c1168f8c5ccf88e88d5ca7e66ec6cb3c4dc11706a7ac1d252289"},"schema_version":"1.0","source":{"id":"1008.4475","kind":"arxiv","version":1}},"canonical_sha256":"2b501cc421c9fd429a9edfe8da5064b1d445f9f3a30060193d79b31b11f2d92f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b501cc421c9fd429a9edfe8da5064b1d445f9f3a30060193d79b31b11f2d92f","first_computed_at":"2026-05-18T04:41:45.249249Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:41:45.249249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nvP/b3iC2Zo6L+cS/EeKWrQIaqWptgb/+EuC66g6v/iqzYOV8MDz3jLAI/Lm7cX0kOTrW9Eflk/1dGrziBpeCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:41:45.249744Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.4475","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9247bc07fde1e9b9ebe692b242fd23cf0e1afbdeca61f4e4fcb6e90ac7c65e6c","sha256:23ce638fc45ea0ce022adbb551e1fde8a9c9bc66c6b895b0f08257092f161e6b"],"state_sha256":"548233bb6ea729925ec070db2b5564e916b05b83b5cf40aba5b3844719ef2844"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"meudsd2WPATe/6kO67IFt1DI0swFOjOCI5MOb0Jjz1rHrl4P9k4UyZ4TaakURFKs+Fz9dj/c176O1WGe8fAbDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:21:58.144492Z","bundle_sha256":"0278bd3b798082788d6c70dd514d307f8a3f7c5c401451ea726bd42e48b8ae02"}}