{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3JBEYVVAM5BEPFPHGQ7VAXPKBQ","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":"ef52277cf28aef665d42640892f448e05cdd948a577ae6ee6fc8433edba88661","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-07-28T19:36:32Z","title_canon_sha256":"56f1b409d71a83970338e1389f8e9f2b39b19b85e03d2ce21caeddb0c921c029"},"schema_version":"1.0","source":{"id":"1707.09387","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.09387","created_at":"2026-05-18T00:35:30Z"},{"alias_kind":"arxiv_version","alias_value":"1707.09387v1","created_at":"2026-05-18T00:35:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.09387","created_at":"2026-05-18T00:35:30Z"},{"alias_kind":"pith_short_12","alias_value":"3JBEYVVAM5BE","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3JBEYVVAM5BEPFPH","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3JBEYVVA","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:23668e15eafd7072c01e53b5bccf221af26cbe54c401b532d7ab3f38326217f3","target":"graph","created_at":"2026-05-18T00:35:30Z","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":"Near-infrared array detectors, like the \\JWST NIRSpec's Teledyne's H2RGs, often provide reference pixels and a reference output. These are used to remove correlated noise. Improved Reference Sampling and Subtraction (\\IRSSquare, pronounced \"IRS-square\") is a statistical technique for using this reference information optimally in a least squares sense. Compared to \"traditional\" H2RG readout, \\IRSSquare uses a different clocking pattern to interleave many more reference pixels into the data than is otherwise possible. Compared to standard reference correction techniques, \\IRSSquare subtracts the","authors_text":"Bernard J. Rauscher, Christos Xenophontos, D. Brent Mott, D.J. Fixsen, Don Lindler, Donna V. Wilson, Markus Loose, Matthew A. Greenhouse, Matthew Lander, Richard G. Arendt, S.H. Moseley, Yiting Went","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-07-28T19:36:32Z","title":"Improved Reference Sampling and Subtraction: A Technique for Reducing the Read Noise of Near-infrared Detector Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.09387","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":"sha256:1d400429d0b3a629a41307a5012c361633c65dc1de3f4eed24b84f2fc73e6614","target":"record","created_at":"2026-05-18T00:35:30Z","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":"ef52277cf28aef665d42640892f448e05cdd948a577ae6ee6fc8433edba88661","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-07-28T19:36:32Z","title_canon_sha256":"56f1b409d71a83970338e1389f8e9f2b39b19b85e03d2ce21caeddb0c921c029"},"schema_version":"1.0","source":{"id":"1707.09387","kind":"arxiv","version":1}},"canonical_sha256":"da424c56a067424795e7343f505dea0c2b8a0f808b2fd77d67adaca39e089b93","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"da424c56a067424795e7343f505dea0c2b8a0f808b2fd77d67adaca39e089b93","first_computed_at":"2026-05-18T00:35:30.744734Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:35:30.744734Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C6q+2awp++YvUjdE7wN6hsCjAMiPRFz/stP3sQcZC8r8muvR57hvp3gY0u7Nc+y8+nG9CVX20z9vcXVIYIHMCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:35:30.745185Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.09387","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d400429d0b3a629a41307a5012c361633c65dc1de3f4eed24b84f2fc73e6614","sha256:23668e15eafd7072c01e53b5bccf221af26cbe54c401b532d7ab3f38326217f3"],"state_sha256":"9331cd015deee2d62560c35631abfbfc839721028ef34f9302412c1c54e17410"}