{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:DFOP3QVHHF4IJBGAEV2E5JDNFF","short_pith_number":"pith:DFOP3QVH","canonical_record":{"source":{"id":"1008.1293","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-07T00:07:14Z","cross_cats_sorted":[],"title_canon_sha256":"1b285df1d81248e20906797fb9a4e3d7c8ba817802df3730d4782e08bf8d404c","abstract_canon_sha256":"f22ec0b51e7f02f8c432967a03697cfc3228bd3a6cb9822131ecce8844973a63"},"schema_version":"1.0"},"canonical_sha256":"195cfdc2a739788484c025744ea46d294017824362a0bcb10d4d148e543626eb","source":{"kind":"arxiv","id":"1008.1293","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1293","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1293v1","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1293","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"pith_short_12","alias_value":"DFOP3QVHHF4I","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"DFOP3QVHHF4IJBGA","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"DFOP3QVH","created_at":"2026-05-18T12:26:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:DFOP3QVHHF4IJBGAEV2E5JDNFF","target":"record","payload":{"canonical_record":{"source":{"id":"1008.1293","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-07T00:07:14Z","cross_cats_sorted":[],"title_canon_sha256":"1b285df1d81248e20906797fb9a4e3d7c8ba817802df3730d4782e08bf8d404c","abstract_canon_sha256":"f22ec0b51e7f02f8c432967a03697cfc3228bd3a6cb9822131ecce8844973a63"},"schema_version":"1.0"},"canonical_sha256":"195cfdc2a739788484c025744ea46d294017824362a0bcb10d4d148e543626eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:58.167029Z","signature_b64":"OgjYw/c4fHOhXMn6rmlxHNjE5Eidu38UqH7FSQmEGANEwHw+sW5H4e6F/JC0AP+IGB4A5XD3JhPDbNEYJqr1AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"195cfdc2a739788484c025744ea46d294017824362a0bcb10d4d148e543626eb","last_reissued_at":"2026-05-18T02:05:58.166082Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:58.166082Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.1293","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":"2026-05-18T02:05:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EsRNjRhorgFWpLyZSay9FArUQbq93cWiaRkEIBn77ZFcZX/8yYEdopgOY+AYZ2me8ZZWcHRay6bsfAkrS2eqDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:21:25.346216Z"},"content_sha256":"da1107cc82c5a07801551dac758ee4a28c221e332343a3b3ca555749fe7665c1","schema_version":"1.0","event_id":"sha256:da1107cc82c5a07801551dac758ee4a28c221e332343a3b3ca555749fe7665c1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:DFOP3QVHHF4IJBGAEV2E5JDNFF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Recent Results and Perspectives for Precision Astrometry and Photometry with Adaptive Optics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Andrea M. Ghez, Jessica R. Lu, Mark R. Morris, Nate McCrady, Sylvana Yelda, Tuan Do, Will Clarkson","submitted_at":"2010-08-07T00:07:14Z","abstract_excerpt":"Large ground-based telescopes equipped with adaptive optics (AO) systems have ushered in a new era of high-resolution infrared photometry and astrometry. Relative astrometric accuracies of <0.2 mas have already been demonstrated from infrared images with spatial resolutions of 55-95 mas resolution over 10-20'' fields of view. Relative photometric accuracies of 3% and absolute photometric accuracies of 5%-20% are also possible. I will review improvements and current limitations in astrometry and photometry with adaptive optics of crowded stellar fields. These capabilities enable experiments suc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1293","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":"2026-05-18T02:05:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yqEsQsfn/h3+6RoI4KBrcOJ/SUJ/gt5XW3neQ/3r9vpA4Wqni/qhenBbqShrURbHFj9TC0xE6fR+arHAhTsSDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:21:25.346584Z"},"content_sha256":"3592c8dcebbcf59c9e6409c35743c6d3e2352f5b1ab18880ba1445a3eeda4877","schema_version":"1.0","event_id":"sha256:3592c8dcebbcf59c9e6409c35743c6d3e2352f5b1ab18880ba1445a3eeda4877"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DFOP3QVHHF4IJBGAEV2E5JDNFF/bundle.json","state_url":"https://pith.science/pith/DFOP3QVHHF4IJBGAEV2E5JDNFF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DFOP3QVHHF4IJBGAEV2E5JDNFF/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":"2026-05-28T09:21:25Z","links":{"resolver":"https://pith.science/pith/DFOP3QVHHF4IJBGAEV2E5JDNFF","bundle":"https://pith.science/pith/DFOP3QVHHF4IJBGAEV2E5JDNFF/bundle.json","state":"https://pith.science/pith/DFOP3QVHHF4IJBGAEV2E5JDNFF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DFOP3QVHHF4IJBGAEV2E5JDNFF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:DFOP3QVHHF4IJBGAEV2E5JDNFF","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":"f22ec0b51e7f02f8c432967a03697cfc3228bd3a6cb9822131ecce8844973a63","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-07T00:07:14Z","title_canon_sha256":"1b285df1d81248e20906797fb9a4e3d7c8ba817802df3730d4782e08bf8d404c"},"schema_version":"1.0","source":{"id":"1008.1293","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1293","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1293v1","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1293","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"pith_short_12","alias_value":"DFOP3QVHHF4I","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"DFOP3QVHHF4IJBGA","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"DFOP3QVH","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:3592c8dcebbcf59c9e6409c35743c6d3e2352f5b1ab18880ba1445a3eeda4877","target":"graph","created_at":"2026-05-18T02:05:58Z","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":"Large ground-based telescopes equipped with adaptive optics (AO) systems have ushered in a new era of high-resolution infrared photometry and astrometry. Relative astrometric accuracies of <0.2 mas have already been demonstrated from infrared images with spatial resolutions of 55-95 mas resolution over 10-20'' fields of view. Relative photometric accuracies of 3% and absolute photometric accuracies of 5%-20% are also possible. I will review improvements and current limitations in astrometry and photometry with adaptive optics of crowded stellar fields. These capabilities enable experiments suc","authors_text":"Andrea M. Ghez, Jessica R. Lu, Mark R. Morris, Nate McCrady, Sylvana Yelda, Tuan Do, Will Clarkson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-07T00:07:14Z","title":"Recent Results and Perspectives for Precision Astrometry and Photometry with Adaptive Optics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1293","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:da1107cc82c5a07801551dac758ee4a28c221e332343a3b3ca555749fe7665c1","target":"record","created_at":"2026-05-18T02:05:58Z","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":"f22ec0b51e7f02f8c432967a03697cfc3228bd3a6cb9822131ecce8844973a63","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-07T00:07:14Z","title_canon_sha256":"1b285df1d81248e20906797fb9a4e3d7c8ba817802df3730d4782e08bf8d404c"},"schema_version":"1.0","source":{"id":"1008.1293","kind":"arxiv","version":1}},"canonical_sha256":"195cfdc2a739788484c025744ea46d294017824362a0bcb10d4d148e543626eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"195cfdc2a739788484c025744ea46d294017824362a0bcb10d4d148e543626eb","first_computed_at":"2026-05-18T02:05:58.166082Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:58.166082Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OgjYw/c4fHOhXMn6rmlxHNjE5Eidu38UqH7FSQmEGANEwHw+sW5H4e6F/JC0AP+IGB4A5XD3JhPDbNEYJqr1AA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:58.167029Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.1293","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da1107cc82c5a07801551dac758ee4a28c221e332343a3b3ca555749fe7665c1","sha256:3592c8dcebbcf59c9e6409c35743c6d3e2352f5b1ab18880ba1445a3eeda4877"],"state_sha256":"ceab8e767284e6d3b83c78503d85eac333166eb60a171a7d214d7209aa66220a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hHZQBXtj4t6z6k+2oMYncagnbmQ7MhrJFyVZoNPHy+jIruCGAOyiqY/ToCdJvqwf6n1wyuJHd2wm0IZ/TWoJBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T09:21:25.348665Z","bundle_sha256":"e1d686d3a67de6817fba215d130ea169b42454cf77818e95083a444145b076d3"}}