{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:GBCPXFCFLWK2AEC45JSHV7BSWK","short_pith_number":"pith:GBCPXFCF","canonical_record":{"source":{"id":"1210.0532","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-10-01T20:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"30199b2f0b7c2ff313293d7dd17c38c75024eb3d3c323290958ad8da60a43d33","abstract_canon_sha256":"1fb972b466f1472425e3e21d6869954acf8a5527d3e29d625801c2cd5397e321"},"schema_version":"1.0"},"canonical_sha256":"3044fb94455d95a0105cea647afc32b2a46f51daf506aff10505e9b6599c079b","source":{"kind":"arxiv","id":"1210.0532","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.0532","created_at":"2026-05-18T03:44:14Z"},{"alias_kind":"arxiv_version","alias_value":"1210.0532v1","created_at":"2026-05-18T03:44:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0532","created_at":"2026-05-18T03:44:14Z"},{"alias_kind":"pith_short_12","alias_value":"GBCPXFCFLWK2","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"GBCPXFCFLWK2AEC4","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"GBCPXFCF","created_at":"2026-05-18T12:27:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:GBCPXFCFLWK2AEC45JSHV7BSWK","target":"record","payload":{"canonical_record":{"source":{"id":"1210.0532","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-10-01T20:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"30199b2f0b7c2ff313293d7dd17c38c75024eb3d3c323290958ad8da60a43d33","abstract_canon_sha256":"1fb972b466f1472425e3e21d6869954acf8a5527d3e29d625801c2cd5397e321"},"schema_version":"1.0"},"canonical_sha256":"3044fb94455d95a0105cea647afc32b2a46f51daf506aff10505e9b6599c079b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:44:14.932130Z","signature_b64":"8N88B3ko4MzdKCvs52VjFa11liEb/LjwN0fEzK1zeDuDZXNPvOOQDH1Sh7YRzmDAoFxQXkL6KACJo7WJsNA1BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3044fb94455d95a0105cea647afc32b2a46f51daf506aff10505e9b6599c079b","last_reissued_at":"2026-05-18T03:44:14.931489Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:44:14.931489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.0532","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":"2026-05-18T03:44:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2/M41kWMHdbjGMF8nh5igfCdkNtx+hud1nKxc/h7jvboxD/8KeW8iFN4MO+dIpxlwUYCwwkyaMJf/gUMK0G4AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:34:15.442090Z"},"content_sha256":"1534782ee20577ae81dcb89a00693863d7005b49790aba0d4d2aa874b8a3a6fe","schema_version":"1.0","event_id":"sha256:1534782ee20577ae81dcb89a00693863d7005b49790aba0d4d2aa874b8a3a6fe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:GBCPXFCFLWK2AEC45JSHV7BSWK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Robo-AO: autonomous and replicable laser-adaptive-optics and science system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. N. Ramaprakash, C. Baranec, H. Das, J. Davis, K. Bui, M. Burse, N. Law, R. Dekany, R. Riddle, R. Smith, S. Hildebrandt, S. Kulkarni, S. Punnadi, S. Tendulkar","submitted_at":"2012-10-01T20:00:01Z","abstract_excerpt":"We have created a new autonomous laser-guide-star adaptive-optics (AO) instrument on the 60-inch (1.5-m) telescope at Palomar Observatory called Robo-AO. The instrument enables diffraction-limited resolution observing in the visible and near-infrared with the ability to observe well over one-hundred targets per night due to its fully robotic operation. Robo- AO is being used for AO surveys of targets numbering in the thousands, rapid AO imaging of transient events and longterm AO monitoring not feasible on large diameter telescope systems. We have taken advantage of cost-effective advances in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0532","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":"2026-05-18T03:44:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0xvom6NqsRQk6cnBa7T+yIlYltL+whDjkVsD2WDEzZuyvzOUsCkCyzMtyjVVHSsTb7pBeBstggS4KSfF/qjKAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:34:15.442554Z"},"content_sha256":"6bd9559f7f62266e1c90ac9d42aa30f94168af478dccf9e6464346689e9db03c","schema_version":"1.0","event_id":"sha256:6bd9559f7f62266e1c90ac9d42aa30f94168af478dccf9e6464346689e9db03c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GBCPXFCFLWK2AEC45JSHV7BSWK/bundle.json","state_url":"https://pith.science/pith/GBCPXFCFLWK2AEC45JSHV7BSWK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GBCPXFCFLWK2AEC45JSHV7BSWK/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":"2026-05-25T16:34:15Z","links":{"resolver":"https://pith.science/pith/GBCPXFCFLWK2AEC45JSHV7BSWK","bundle":"https://pith.science/pith/GBCPXFCFLWK2AEC45JSHV7BSWK/bundle.json","state":"https://pith.science/pith/GBCPXFCFLWK2AEC45JSHV7BSWK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GBCPXFCFLWK2AEC45JSHV7BSWK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:GBCPXFCFLWK2AEC45JSHV7BSWK","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":"1fb972b466f1472425e3e21d6869954acf8a5527d3e29d625801c2cd5397e321","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-10-01T20:00:01Z","title_canon_sha256":"30199b2f0b7c2ff313293d7dd17c38c75024eb3d3c323290958ad8da60a43d33"},"schema_version":"1.0","source":{"id":"1210.0532","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.0532","created_at":"2026-05-18T03:44:14Z"},{"alias_kind":"arxiv_version","alias_value":"1210.0532v1","created_at":"2026-05-18T03:44:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0532","created_at":"2026-05-18T03:44:14Z"},{"alias_kind":"pith_short_12","alias_value":"GBCPXFCFLWK2","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"GBCPXFCFLWK2AEC4","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"GBCPXFCF","created_at":"2026-05-18T12:27:06Z"}],"graph_snapshots":[{"event_id":"sha256:6bd9559f7f62266e1c90ac9d42aa30f94168af478dccf9e6464346689e9db03c","target":"graph","created_at":"2026-05-18T03:44:14Z","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 have created a new autonomous laser-guide-star adaptive-optics (AO) instrument on the 60-inch (1.5-m) telescope at Palomar Observatory called Robo-AO. The instrument enables diffraction-limited resolution observing in the visible and near-infrared with the ability to observe well over one-hundred targets per night due to its fully robotic operation. Robo- AO is being used for AO surveys of targets numbering in the thousands, rapid AO imaging of transient events and longterm AO monitoring not feasible on large diameter telescope systems. We have taken advantage of cost-effective advances in ","authors_text":"A. N. Ramaprakash, C. Baranec, H. Das, J. Davis, K. Bui, M. Burse, N. Law, R. Dekany, R. Riddle, R. Smith, S. Hildebrandt, S. Kulkarni, S. Punnadi, S. Tendulkar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-10-01T20:00:01Z","title":"Robo-AO: autonomous and replicable laser-adaptive-optics and science system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0532","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":"sha256:1534782ee20577ae81dcb89a00693863d7005b49790aba0d4d2aa874b8a3a6fe","target":"record","created_at":"2026-05-18T03:44:14Z","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":"1fb972b466f1472425e3e21d6869954acf8a5527d3e29d625801c2cd5397e321","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-10-01T20:00:01Z","title_canon_sha256":"30199b2f0b7c2ff313293d7dd17c38c75024eb3d3c323290958ad8da60a43d33"},"schema_version":"1.0","source":{"id":"1210.0532","kind":"arxiv","version":1}},"canonical_sha256":"3044fb94455d95a0105cea647afc32b2a46f51daf506aff10505e9b6599c079b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3044fb94455d95a0105cea647afc32b2a46f51daf506aff10505e9b6599c079b","first_computed_at":"2026-05-18T03:44:14.931489Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:44:14.931489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8N88B3ko4MzdKCvs52VjFa11liEb/LjwN0fEzK1zeDuDZXNPvOOQDH1Sh7YRzmDAoFxQXkL6KACJo7WJsNA1BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:44:14.932130Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.0532","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1534782ee20577ae81dcb89a00693863d7005b49790aba0d4d2aa874b8a3a6fe","sha256:6bd9559f7f62266e1c90ac9d42aa30f94168af478dccf9e6464346689e9db03c"],"state_sha256":"4b3a259a28a2ea06f893b4f5ab1ae738c247e6856deb32ffe27a0598ff05556a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PyYEAfZEIXWP0WewNDl/IYwxlxlY8GDV33ixvWrZ/KsZvWZlzBi4yK28/oZiyVfNTHyP73In3cmp895KGhwGDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:34:15.446277Z","bundle_sha256":"3bcee03a8b4e0a3c4311762da6f6dec36d6362a1454f54a10058d8f8d60d26be"}}