{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:5INKTLY4SLOBHPQYFTQHVIAFDK","short_pith_number":"pith:5INKTLY4","canonical_record":{"source":{"id":"2012.08160","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-12-15T09:12:06Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"9fad1a4891351462f6c8a9f23188e85be863cb5d550db9ebb7dba4455c063a3a","abstract_canon_sha256":"46ded629f650b0b1cab45a34cf71a5f34c9601a59d3b9d1ee146ef92fac5583f"},"schema_version":"1.0"},"canonical_sha256":"ea1aa9af1c92dc13be182ce07aa0051a9a4d95910414901051c11d52952c9f84","source":{"kind":"arxiv","id":"2012.08160","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.08160","created_at":"2026-07-05T01:59:40Z"},{"alias_kind":"arxiv_version","alias_value":"2012.08160v1","created_at":"2026-07-05T01:59:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.08160","created_at":"2026-07-05T01:59:40Z"},{"alias_kind":"pith_short_12","alias_value":"5INKTLY4SLOB","created_at":"2026-07-05T01:59:40Z"},{"alias_kind":"pith_short_16","alias_value":"5INKTLY4SLOBHPQY","created_at":"2026-07-05T01:59:40Z"},{"alias_kind":"pith_short_8","alias_value":"5INKTLY4","created_at":"2026-07-05T01:59:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:5INKTLY4SLOBHPQYFTQHVIAFDK","target":"record","payload":{"canonical_record":{"source":{"id":"2012.08160","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-12-15T09:12:06Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"9fad1a4891351462f6c8a9f23188e85be863cb5d550db9ebb7dba4455c063a3a","abstract_canon_sha256":"46ded629f650b0b1cab45a34cf71a5f34c9601a59d3b9d1ee146ef92fac5583f"},"schema_version":"1.0"},"canonical_sha256":"ea1aa9af1c92dc13be182ce07aa0051a9a4d95910414901051c11d52952c9f84","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:59:40.732511Z","signature_b64":"ujFT2I8U4oK/frMryjR0kjs9HA7lgIQR62/lClzd2+8VwpmsplW2dbxunUUxxEOUGDOqVSuXcgZglDRDxPKEDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea1aa9af1c92dc13be182ce07aa0051a9a4d95910414901051c11d52952c9f84","last_reissued_at":"2026-07-05T01:59:40.732092Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:59:40.732092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.08160","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":"2026-07-05T01:59:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qxylndkujaIUOzVfsBxCoW94GTbs3i7tCcMoMKHO4IxdZZ9sRbGmlzA29g9UjNG7QemMaxmCBT6czWgBITbgAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:22:13.865831Z"},"content_sha256":"0d292036baeafb3bdaebc0f2cfafb3731979a27adeca631ab169afa0965b01cc","schema_version":"1.0","event_id":"sha256:0d292036baeafb3bdaebc0f2cfafb3731979a27adeca631ab169afa0965b01cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:5INKTLY4SLOBHPQYFTQHVIAFDK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detector Systems Engineering for Extremely Large Instruments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"astro-ph.IM","authors_text":"Barbara Klein, Beno\\^it Serra, Christopher Mandla, Christoph Geimer, Claudio Cumani, Derek Ives, Domingo Alvarez, Elizabeth M. George, Eric M\\\"uller, Javier Reyes, J\\\"org Stegmeier, Joshua Hopgood, Leander Mehrgan, Marcus Haug, Mark Downing, Martin Brinkmann, Mathias Richerzhagen, Matteo Accardo, Matthias Seidel, Max Engelhardt, Mirko Todorovic, Naidu Bezawada, Olaf Iwert, Ralf Conzelmann, Suzanne Ramsay","submitted_at":"2020-12-15T09:12:06Z","abstract_excerpt":"The scientific detector systems for the ESO ELT first-light instruments, HARMONI, MICADO, and METIS, together will require 27 science detectors: seventeen 2.5 $\\mu$m cutoff H4RG-15 detectors, four 4K x 4K 231-84 CCDs, five 5.3 $\\mu$m cutoff H2RG detectors, and one 13.5 $\\mu$m cutoff GEOSNAP detector. This challenging program of scientific detector system development covers everything from designing and producing state-of-the-art detector control and readout electronics, to developing new detector characterization techniques in the lab, to performance modeling and final system verification. We "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.08160","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/2012.08160/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":"2026-07-05T01:59:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/7PB+6atolObuiWgb2biLQ5J9CoasY5hDt8ZzV/wNKfAi5C4c3pTpByshOOkuHgygjhE/foEHSniZKIxQT9FBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:22:13.866206Z"},"content_sha256":"b5d54ee9564604eeb84d134b2fb6aa025ffc863dddfd9262dc305704d05c442e","schema_version":"1.0","event_id":"sha256:b5d54ee9564604eeb84d134b2fb6aa025ffc863dddfd9262dc305704d05c442e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5INKTLY4SLOBHPQYFTQHVIAFDK/bundle.json","state_url":"https://pith.science/pith/5INKTLY4SLOBHPQYFTQHVIAFDK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5INKTLY4SLOBHPQYFTQHVIAFDK/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":"2026-07-07T13:22:13Z","links":{"resolver":"https://pith.science/pith/5INKTLY4SLOBHPQYFTQHVIAFDK","bundle":"https://pith.science/pith/5INKTLY4SLOBHPQYFTQHVIAFDK/bundle.json","state":"https://pith.science/pith/5INKTLY4SLOBHPQYFTQHVIAFDK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5INKTLY4SLOBHPQYFTQHVIAFDK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:5INKTLY4SLOBHPQYFTQHVIAFDK","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":"46ded629f650b0b1cab45a34cf71a5f34c9601a59d3b9d1ee146ef92fac5583f","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-12-15T09:12:06Z","title_canon_sha256":"9fad1a4891351462f6c8a9f23188e85be863cb5d550db9ebb7dba4455c063a3a"},"schema_version":"1.0","source":{"id":"2012.08160","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.08160","created_at":"2026-07-05T01:59:40Z"},{"alias_kind":"arxiv_version","alias_value":"2012.08160v1","created_at":"2026-07-05T01:59:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.08160","created_at":"2026-07-05T01:59:40Z"},{"alias_kind":"pith_short_12","alias_value":"5INKTLY4SLOB","created_at":"2026-07-05T01:59:40Z"},{"alias_kind":"pith_short_16","alias_value":"5INKTLY4SLOBHPQY","created_at":"2026-07-05T01:59:40Z"},{"alias_kind":"pith_short_8","alias_value":"5INKTLY4","created_at":"2026-07-05T01:59:40Z"}],"graph_snapshots":[{"event_id":"sha256:b5d54ee9564604eeb84d134b2fb6aa025ffc863dddfd9262dc305704d05c442e","target":"graph","created_at":"2026-07-05T01:59:40Z","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/2012.08160/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The scientific detector systems for the ESO ELT first-light instruments, HARMONI, MICADO, and METIS, together will require 27 science detectors: seventeen 2.5 $\\mu$m cutoff H4RG-15 detectors, four 4K x 4K 231-84 CCDs, five 5.3 $\\mu$m cutoff H2RG detectors, and one 13.5 $\\mu$m cutoff GEOSNAP detector. This challenging program of scientific detector system development covers everything from designing and producing state-of-the-art detector control and readout electronics, to developing new detector characterization techniques in the lab, to performance modeling and final system verification. We ","authors_text":"Barbara Klein, Beno\\^it Serra, Christopher Mandla, Christoph Geimer, Claudio Cumani, Derek Ives, Domingo Alvarez, Elizabeth M. George, Eric M\\\"uller, Javier Reyes, J\\\"org Stegmeier, Joshua Hopgood, Leander Mehrgan, Marcus Haug, Mark Downing, Martin Brinkmann, Mathias Richerzhagen, Matteo Accardo, Matthias Seidel, Max Engelhardt, Mirko Todorovic, Naidu Bezawada, Olaf Iwert, Ralf Conzelmann, Suzanne Ramsay","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-12-15T09:12:06Z","title":"Detector Systems Engineering for Extremely Large Instruments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.08160","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":"sha256:0d292036baeafb3bdaebc0f2cfafb3731979a27adeca631ab169afa0965b01cc","target":"record","created_at":"2026-07-05T01:59:40Z","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":"46ded629f650b0b1cab45a34cf71a5f34c9601a59d3b9d1ee146ef92fac5583f","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-12-15T09:12:06Z","title_canon_sha256":"9fad1a4891351462f6c8a9f23188e85be863cb5d550db9ebb7dba4455c063a3a"},"schema_version":"1.0","source":{"id":"2012.08160","kind":"arxiv","version":1}},"canonical_sha256":"ea1aa9af1c92dc13be182ce07aa0051a9a4d95910414901051c11d52952c9f84","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ea1aa9af1c92dc13be182ce07aa0051a9a4d95910414901051c11d52952c9f84","first_computed_at":"2026-07-05T01:59:40.732092Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:59:40.732092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ujFT2I8U4oK/frMryjR0kjs9HA7lgIQR62/lClzd2+8VwpmsplW2dbxunUUxxEOUGDOqVSuXcgZglDRDxPKEDg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:59:40.732511Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.08160","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d292036baeafb3bdaebc0f2cfafb3731979a27adeca631ab169afa0965b01cc","sha256:b5d54ee9564604eeb84d134b2fb6aa025ffc863dddfd9262dc305704d05c442e"],"state_sha256":"573cb9567d0f5256de07de46ecd2125394b3f5cdf72fa45efd8dc947616d079e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WsQANGLbFCh/A0IBy7dZo+KrQPnJnny7M8HLyHixAUalb+3cBdJCEBKRSMnnSDSszo1Nr3YuoU+YQgfzQXiTCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:22:13.868331Z","bundle_sha256":"953a28d310e2db9908d13b3085a5aca1f4c792ed2ced4113896c9b486325f84b"}}