{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:PBT772EVEG6NTUXBPIKKAZ2HC6","short_pith_number":"pith:PBT772EV","canonical_record":{"source":{"id":"2605.19022","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-18T18:44:58Z","cross_cats_sorted":[],"title_canon_sha256":"efecd5ae4aeadf456363b3d254e6707722fdb05cd71506733700e6272118bec8","abstract_canon_sha256":"14fc8cea79773f7b8d320522d93036f42ce138fa2850ff2219edfa35e6d318bf"},"schema_version":"1.0"},"canonical_sha256":"7867ffe89521bcd9d2e17a14a0674717b3ae84e2d802c0406978155d1debf3fa","source":{"kind":"arxiv","id":"2605.19022","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.19022","created_at":"2026-05-20T01:04:42Z"},{"alias_kind":"arxiv_version","alias_value":"2605.19022v1","created_at":"2026-05-20T01:04:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.19022","created_at":"2026-05-20T01:04:42Z"},{"alias_kind":"pith_short_12","alias_value":"PBT772EVEG6N","created_at":"2026-05-20T01:04:42Z"},{"alias_kind":"pith_short_16","alias_value":"PBT772EVEG6NTUXB","created_at":"2026-05-20T01:04:42Z"},{"alias_kind":"pith_short_8","alias_value":"PBT772EV","created_at":"2026-05-20T01:04:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:PBT772EVEG6NTUXBPIKKAZ2HC6","target":"record","payload":{"canonical_record":{"source":{"id":"2605.19022","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-18T18:44:58Z","cross_cats_sorted":[],"title_canon_sha256":"efecd5ae4aeadf456363b3d254e6707722fdb05cd71506733700e6272118bec8","abstract_canon_sha256":"14fc8cea79773f7b8d320522d93036f42ce138fa2850ff2219edfa35e6d318bf"},"schema_version":"1.0"},"canonical_sha256":"7867ffe89521bcd9d2e17a14a0674717b3ae84e2d802c0406978155d1debf3fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T01:04:42.845713Z","signature_b64":"0vXV3xgS07Yg6Yxjk7rbay0amcBGduBYA6HsVVmW8lSFYsMDifs6Y02sv4s5CqLmMYSXpVUjkP9Gdd2EHVrbAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7867ffe89521bcd9d2e17a14a0674717b3ae84e2d802c0406978155d1debf3fa","last_reissued_at":"2026-05-20T01:04:42.844881Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T01:04:42.844881Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.19022","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":"2026-05-20T01:04:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QUXdaUoCBIlrT5l64t74/qhgrP9yTRxGaCg4NR58atPCyVXkxHYJIChSEqn+lPvCqecfZtALmZthXgnxu9hpDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T10:01:53.520493Z"},"content_sha256":"9a00154185232a09bb2d9795d66a8bf835055523a83e3249cd16c6ab0990ac11","schema_version":"1.0","event_id":"sha256:9a00154185232a09bb2d9795d66a8bf835055523a83e3249cd16c6ab0990ac11"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:PBT772EVEG6NTUXBPIKKAZ2HC6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimal mitigation of random telegraph noise for improved photometry at high frame rates","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Christopher Layden, Daniel-Rolf Harbeck, Gabor Furesz, Kevin Burdge, Nathan Lourie, Tejus Deo-Dixit","submitted_at":"2026-05-18T18:44:58Z","abstract_excerpt":"Random telegraph noise (RTN) is a major contributor to read noise in many CMOS image sensors considered for astronomical use. While scientific CMOS image sensors deliver lower read noise than traditional charge-coupled devices, mitigating RTN would widen this gap and enable more precise photometry when using the fast readout rates achievable by CMOS image sensors. We report the levels of RTN in three CMOS image sensors used in astronomical instruments: the Sony IMX455, Gpixel GSENSE400, and Fairchild Imaging HWK4123. For the IMX455 in a high gain mode, RTN is the dominant source of pixels with"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.19022","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.19022/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-05-20T01:04:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z8CxR5aJkRgK1UvNhM6MrzNZLsDtvmxz+QjuDIJszMKMIdgRegzh141OqOxxprtmqx4Gj3ZJFoumqSX5w3b3Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T10:01:53.520874Z"},"content_sha256":"f1120aba44d393a910f89beb6d8c8fafa07e9c7d68ffafb50ed94490447e15b9","schema_version":"1.0","event_id":"sha256:f1120aba44d393a910f89beb6d8c8fafa07e9c7d68ffafb50ed94490447e15b9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PBT772EVEG6NTUXBPIKKAZ2HC6/bundle.json","state_url":"https://pith.science/pith/PBT772EVEG6NTUXBPIKKAZ2HC6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PBT772EVEG6NTUXBPIKKAZ2HC6/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":"2026-05-21T10:01:53Z","links":{"resolver":"https://pith.science/pith/PBT772EVEG6NTUXBPIKKAZ2HC6","bundle":"https://pith.science/pith/PBT772EVEG6NTUXBPIKKAZ2HC6/bundle.json","state":"https://pith.science/pith/PBT772EVEG6NTUXBPIKKAZ2HC6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PBT772EVEG6NTUXBPIKKAZ2HC6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:PBT772EVEG6NTUXBPIKKAZ2HC6","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":"14fc8cea79773f7b8d320522d93036f42ce138fa2850ff2219edfa35e6d318bf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-18T18:44:58Z","title_canon_sha256":"efecd5ae4aeadf456363b3d254e6707722fdb05cd71506733700e6272118bec8"},"schema_version":"1.0","source":{"id":"2605.19022","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.19022","created_at":"2026-05-20T01:04:42Z"},{"alias_kind":"arxiv_version","alias_value":"2605.19022v1","created_at":"2026-05-20T01:04:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.19022","created_at":"2026-05-20T01:04:42Z"},{"alias_kind":"pith_short_12","alias_value":"PBT772EVEG6N","created_at":"2026-05-20T01:04:42Z"},{"alias_kind":"pith_short_16","alias_value":"PBT772EVEG6NTUXB","created_at":"2026-05-20T01:04:42Z"},{"alias_kind":"pith_short_8","alias_value":"PBT772EV","created_at":"2026-05-20T01:04:42Z"}],"graph_snapshots":[{"event_id":"sha256:f1120aba44d393a910f89beb6d8c8fafa07e9c7d68ffafb50ed94490447e15b9","target":"graph","created_at":"2026-05-20T01:04:42Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2605.19022/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Random telegraph noise (RTN) is a major contributor to read noise in many CMOS image sensors considered for astronomical use. While scientific CMOS image sensors deliver lower read noise than traditional charge-coupled devices, mitigating RTN would widen this gap and enable more precise photometry when using the fast readout rates achievable by CMOS image sensors. We report the levels of RTN in three CMOS image sensors used in astronomical instruments: the Sony IMX455, Gpixel GSENSE400, and Fairchild Imaging HWK4123. For the IMX455 in a high gain mode, RTN is the dominant source of pixels with","authors_text":"Christopher Layden, Daniel-Rolf Harbeck, Gabor Furesz, Kevin Burdge, Nathan Lourie, Tejus Deo-Dixit","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-18T18:44:58Z","title":"Optimal mitigation of random telegraph noise for improved photometry at high frame rates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.19022","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":"sha256:9a00154185232a09bb2d9795d66a8bf835055523a83e3249cd16c6ab0990ac11","target":"record","created_at":"2026-05-20T01:04:42Z","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":"14fc8cea79773f7b8d320522d93036f42ce138fa2850ff2219edfa35e6d318bf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-18T18:44:58Z","title_canon_sha256":"efecd5ae4aeadf456363b3d254e6707722fdb05cd71506733700e6272118bec8"},"schema_version":"1.0","source":{"id":"2605.19022","kind":"arxiv","version":1}},"canonical_sha256":"7867ffe89521bcd9d2e17a14a0674717b3ae84e2d802c0406978155d1debf3fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7867ffe89521bcd9d2e17a14a0674717b3ae84e2d802c0406978155d1debf3fa","first_computed_at":"2026-05-20T01:04:42.844881Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T01:04:42.844881Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0vXV3xgS07Yg6Yxjk7rbay0amcBGduBYA6HsVVmW8lSFYsMDifs6Y02sv4s5CqLmMYSXpVUjkP9Gdd2EHVrbAg==","signature_status":"signed_v1","signed_at":"2026-05-20T01:04:42.845713Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.19022","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9a00154185232a09bb2d9795d66a8bf835055523a83e3249cd16c6ab0990ac11","sha256:f1120aba44d393a910f89beb6d8c8fafa07e9c7d68ffafb50ed94490447e15b9"],"state_sha256":"158cb6860a01af4b071641d2ca7d29ee5635e0ae9c6972d41dde5487a10b4f70"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NuI0pRBfT7MjzInftjVpsjKkl5snyt0ZNs9Csy/TSn8r2dexXp79DYNGacxwJVrUEvuMXwOE0mwc5xeM5oLoCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T10:01:53.523040Z","bundle_sha256":"1de8e13ab7ad431a5c46d223a0ee61e99758fa56600c6099b098c4ede0a33c84"}}