{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:AR22BHCTGMDHNMFRFGTAAU2AH6","short_pith_number":"pith:AR22BHCT","canonical_record":{"source":{"id":"1009.5261","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-09-27T14:10:56Z","cross_cats_sorted":[],"title_canon_sha256":"e7427b435032f8fe5658dbe882c9bf60f51af97b94ae2c601a465eb8a36c560d","abstract_canon_sha256":"1113481698bf1d5ed3227022291a565482ce6c05ed94ea95b5d9931e0b3978e5"},"schema_version":"1.0"},"canonical_sha256":"0475a09c53330676b0b129a60053403f932212cfba47fd035d57e84aa80c16ca","source":{"kind":"arxiv","id":"1009.5261","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.5261","created_at":"2026-05-18T02:05:16Z"},{"alias_kind":"arxiv_version","alias_value":"1009.5261v1","created_at":"2026-05-18T02:05:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5261","created_at":"2026-05-18T02:05:16Z"},{"alias_kind":"pith_short_12","alias_value":"AR22BHCTGMDH","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"AR22BHCTGMDHNMFR","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"AR22BHCT","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:AR22BHCTGMDHNMFRFGTAAU2AH6","target":"record","payload":{"canonical_record":{"source":{"id":"1009.5261","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-09-27T14:10:56Z","cross_cats_sorted":[],"title_canon_sha256":"e7427b435032f8fe5658dbe882c9bf60f51af97b94ae2c601a465eb8a36c560d","abstract_canon_sha256":"1113481698bf1d5ed3227022291a565482ce6c05ed94ea95b5d9931e0b3978e5"},"schema_version":"1.0"},"canonical_sha256":"0475a09c53330676b0b129a60053403f932212cfba47fd035d57e84aa80c16ca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:16.833179Z","signature_b64":"KP1lBU+cceYINJ63Yyh42lV/GDYe9iVyi/UdwQCcejTNjtlKiRtPqWRaTG3laniofvbYmfgIlYJeqDnPjHUPCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0475a09c53330676b0b129a60053403f932212cfba47fd035d57e84aa80c16ca","last_reissued_at":"2026-05-18T02:05:16.831475Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:16.831475Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.5261","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":"2026-05-18T02:05:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KF65pz0ruO/uulkTkw12Sw2PhZISVXw7MURNVZ6CgQZvsEGAmVUF5ntiOImv9Ud9vfBpANCHkSv1tlXzn1eBCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:21:31.280442Z"},"content_sha256":"ca18ba04c8fb2b73ce98027d044aa0e59761e9a52801910e7e05d02b75f611e5","schema_version":"1.0","event_id":"sha256:ca18ba04c8fb2b73ce98027d044aa0e59761e9a52801910e7e05d02b75f611e5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:AR22BHCTGMDHNMFRFGTAAU2AH6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Conjugate-plane photometry: Reducing scintillation in ground-based photometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Gordon D. Love, James Osborn, Remy Avila, Richard W. Wilson, V. S. Dhillon","submitted_at":"2010-09-27T14:10:56Z","abstract_excerpt":"High precision fast photometry from ground-based observatories is a challenge due to intensity fluctuations (scintillation) produced by the Earth's atmosphere. Here we describe a method to reduce the effects of scintillation by a combination of pupil reconjugation and calibration using a comparison star. Because scintillation is produced by high altitude turbulence, the range of angles over which the scintillation is correlated is small and therefore simple correction by a comparison star is normally impossible. We propose reconjugating the telescope pupil to a high dominant layer of turbulenc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5261","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":"2026-05-18T02:05:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GQK/A5A1i98/Vhb01pgG/meUd28jNYM7O0MfYdtRg5ZK1zA48B65fy2A+ZzXpoyLpHAiepzCavf2kqTf/eu1DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:21:31.280793Z"},"content_sha256":"21a34781eb4038cef48b1d386cc48401e43e9c49e668f8fe947c09a11c0bb85f","schema_version":"1.0","event_id":"sha256:21a34781eb4038cef48b1d386cc48401e43e9c49e668f8fe947c09a11c0bb85f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AR22BHCTGMDHNMFRFGTAAU2AH6/bundle.json","state_url":"https://pith.science/pith/AR22BHCTGMDHNMFRFGTAAU2AH6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AR22BHCTGMDHNMFRFGTAAU2AH6/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":"2026-05-31T03:21:31Z","links":{"resolver":"https://pith.science/pith/AR22BHCTGMDHNMFRFGTAAU2AH6","bundle":"https://pith.science/pith/AR22BHCTGMDHNMFRFGTAAU2AH6/bundle.json","state":"https://pith.science/pith/AR22BHCTGMDHNMFRFGTAAU2AH6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AR22BHCTGMDHNMFRFGTAAU2AH6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:AR22BHCTGMDHNMFRFGTAAU2AH6","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":"1113481698bf1d5ed3227022291a565482ce6c05ed94ea95b5d9931e0b3978e5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-09-27T14:10:56Z","title_canon_sha256":"e7427b435032f8fe5658dbe882c9bf60f51af97b94ae2c601a465eb8a36c560d"},"schema_version":"1.0","source":{"id":"1009.5261","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.5261","created_at":"2026-05-18T02:05:16Z"},{"alias_kind":"arxiv_version","alias_value":"1009.5261v1","created_at":"2026-05-18T02:05:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5261","created_at":"2026-05-18T02:05:16Z"},{"alias_kind":"pith_short_12","alias_value":"AR22BHCTGMDH","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"AR22BHCTGMDHNMFR","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"AR22BHCT","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:21a34781eb4038cef48b1d386cc48401e43e9c49e668f8fe947c09a11c0bb85f","target":"graph","created_at":"2026-05-18T02:05:16Z","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":"High precision fast photometry from ground-based observatories is a challenge due to intensity fluctuations (scintillation) produced by the Earth's atmosphere. Here we describe a method to reduce the effects of scintillation by a combination of pupil reconjugation and calibration using a comparison star. Because scintillation is produced by high altitude turbulence, the range of angles over which the scintillation is correlated is small and therefore simple correction by a comparison star is normally impossible. We propose reconjugating the telescope pupil to a high dominant layer of turbulenc","authors_text":"Gordon D. Love, James Osborn, Remy Avila, Richard W. Wilson, V. S. Dhillon","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-09-27T14:10:56Z","title":"Conjugate-plane photometry: Reducing scintillation in ground-based photometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5261","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:ca18ba04c8fb2b73ce98027d044aa0e59761e9a52801910e7e05d02b75f611e5","target":"record","created_at":"2026-05-18T02:05:16Z","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":"1113481698bf1d5ed3227022291a565482ce6c05ed94ea95b5d9931e0b3978e5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-09-27T14:10:56Z","title_canon_sha256":"e7427b435032f8fe5658dbe882c9bf60f51af97b94ae2c601a465eb8a36c560d"},"schema_version":"1.0","source":{"id":"1009.5261","kind":"arxiv","version":1}},"canonical_sha256":"0475a09c53330676b0b129a60053403f932212cfba47fd035d57e84aa80c16ca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0475a09c53330676b0b129a60053403f932212cfba47fd035d57e84aa80c16ca","first_computed_at":"2026-05-18T02:05:16.831475Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:16.831475Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KP1lBU+cceYINJ63Yyh42lV/GDYe9iVyi/UdwQCcejTNjtlKiRtPqWRaTG3laniofvbYmfgIlYJeqDnPjHUPCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:16.833179Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.5261","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca18ba04c8fb2b73ce98027d044aa0e59761e9a52801910e7e05d02b75f611e5","sha256:21a34781eb4038cef48b1d386cc48401e43e9c49e668f8fe947c09a11c0bb85f"],"state_sha256":"1430ffd44be9f6fcb7788e809ab5a9160c11d4fe26c908579df9a23e21b264f0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oGZ8U9LaOjzx87CQAchSrqWI9N9V9Xd1T3oDZHMmup94cAEwBnBProYEdK4wnCR15GD8FX/7Fz8qG90xDyyQDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T03:21:31.282679Z","bundle_sha256":"be7644f1fab03ad63bca21a9832772ac6308f73899be8a7614533f0654ccc133"}}