{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:3NO3KZA7YU7VNYBHMK5AMJKSFF","short_pith_number":"pith:3NO3KZA7","canonical_record":{"source":{"id":"1609.04295","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-09-13T11:36:36Z","cross_cats_sorted":[],"title_canon_sha256":"e856f927a898cd4347ff359739fa87031025dca50bd1ff4a7c725b74e67ce02a","abstract_canon_sha256":"ed79502a4fb40efed6474f22c7fbdd97a615fe60917f36a642a7420efa813460"},"schema_version":"1.0"},"canonical_sha256":"db5db5641fc53f56e02762ba062552294abe4dd02bb323c40d032bc852eb19e1","source":{"kind":"arxiv","id":"1609.04295","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.04295","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"arxiv_version","alias_value":"1609.04295v1","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.04295","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"pith_short_12","alias_value":"3NO3KZA7YU7V","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"3NO3KZA7YU7VNYBH","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"3NO3KZA7","created_at":"2026-05-18T12:29:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:3NO3KZA7YU7VNYBHMK5AMJKSFF","target":"record","payload":{"canonical_record":{"source":{"id":"1609.04295","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-09-13T11:36:36Z","cross_cats_sorted":[],"title_canon_sha256":"e856f927a898cd4347ff359739fa87031025dca50bd1ff4a7c725b74e67ce02a","abstract_canon_sha256":"ed79502a4fb40efed6474f22c7fbdd97a615fe60917f36a642a7420efa813460"},"schema_version":"1.0"},"canonical_sha256":"db5db5641fc53f56e02762ba062552294abe4dd02bb323c40d032bc852eb19e1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:02:36.661106Z","signature_b64":"ZvYxuUHwOS1VC/EvBrPlv0yC4i8SqgksNZaZCdBKknSQFKuP+VovHizOn8ZVBpazM8Qv38WziquFUpc6SKGPBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db5db5641fc53f56e02762ba062552294abe4dd02bb323c40d032bc852eb19e1","last_reissued_at":"2026-05-18T01:02:36.660393Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:02:36.660393Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.04295","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":"2026-05-18T01:02:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"63L7WtBlppS5/onFP/ak/pPDzYQGL0rXxHZqeXmLeo8205B6m8KDLxgXcrK08vu1MQViYPgNF8OUBEQ7TPGIBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T01:48:20.234963Z"},"content_sha256":"bdcc81c3efcb2a2585e1c8d370b8d4eba91f59bda2181d5a8290b219adcd2b82","schema_version":"1.0","event_id":"sha256:bdcc81c3efcb2a2585e1c8d370b8d4eba91f59bda2181d5a8290b219adcd2b82"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:3NO3KZA7YU7VNYBHMK5AMJKSFF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Read-Out Shutter Unit of the Euclid VIS Instrument","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"C. Larcheveque, C. Thomas, E. Bozzo, L. Genolet, N. Autissier, S. Paltani","submitted_at":"2016-09-13T11:36:36Z","abstract_excerpt":"Euclid is the second medium-size mission (M2) of the ESA Cosmic Vision Program, currently scheduled for a launch in 2020. The two instruments on-board Euclid, VIS and NISP, will provide key measurements to investigate the nature of dark energy, advancing our knowledge on cosmology. We present in this contribution the development and manufacturing status of the VIS Read-out Shutter Unit, whose main function is to prevent direct light from falling onto the VIS CCDs during the read-out of the scientific exposures and to allow the dark-current/bias calibrations of the instrument."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.04295","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":"2026-05-18T01:02:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sw7FRElpremoOCaei163ec17tTr5X45lVmC6Bupa6Je1OwCftNyMxA/CzQXFQfTlmpkSuiia9P5WpghnKIq6Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T01:48:20.235710Z"},"content_sha256":"15e2719254e8145ecc1e8ea0ba3acceea79782d4bf00d26a9913098cad040260","schema_version":"1.0","event_id":"sha256:15e2719254e8145ecc1e8ea0ba3acceea79782d4bf00d26a9913098cad040260"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3NO3KZA7YU7VNYBHMK5AMJKSFF/bundle.json","state_url":"https://pith.science/pith/3NO3KZA7YU7VNYBHMK5AMJKSFF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3NO3KZA7YU7VNYBHMK5AMJKSFF/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":"2026-06-07T01:48:20Z","links":{"resolver":"https://pith.science/pith/3NO3KZA7YU7VNYBHMK5AMJKSFF","bundle":"https://pith.science/pith/3NO3KZA7YU7VNYBHMK5AMJKSFF/bundle.json","state":"https://pith.science/pith/3NO3KZA7YU7VNYBHMK5AMJKSFF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3NO3KZA7YU7VNYBHMK5AMJKSFF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:3NO3KZA7YU7VNYBHMK5AMJKSFF","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":"ed79502a4fb40efed6474f22c7fbdd97a615fe60917f36a642a7420efa813460","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-09-13T11:36:36Z","title_canon_sha256":"e856f927a898cd4347ff359739fa87031025dca50bd1ff4a7c725b74e67ce02a"},"schema_version":"1.0","source":{"id":"1609.04295","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.04295","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"arxiv_version","alias_value":"1609.04295v1","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.04295","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"pith_short_12","alias_value":"3NO3KZA7YU7V","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"3NO3KZA7YU7VNYBH","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"3NO3KZA7","created_at":"2026-05-18T12:29:55Z"}],"graph_snapshots":[{"event_id":"sha256:15e2719254e8145ecc1e8ea0ba3acceea79782d4bf00d26a9913098cad040260","target":"graph","created_at":"2026-05-18T01:02:36Z","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":"Euclid is the second medium-size mission (M2) of the ESA Cosmic Vision Program, currently scheduled for a launch in 2020. The two instruments on-board Euclid, VIS and NISP, will provide key measurements to investigate the nature of dark energy, advancing our knowledge on cosmology. We present in this contribution the development and manufacturing status of the VIS Read-out Shutter Unit, whose main function is to prevent direct light from falling onto the VIS CCDs during the read-out of the scientific exposures and to allow the dark-current/bias calibrations of the instrument.","authors_text":"C. Larcheveque, C. Thomas, E. Bozzo, L. Genolet, N. Autissier, S. Paltani","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-09-13T11:36:36Z","title":"The Read-Out Shutter Unit of the Euclid VIS Instrument"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.04295","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:bdcc81c3efcb2a2585e1c8d370b8d4eba91f59bda2181d5a8290b219adcd2b82","target":"record","created_at":"2026-05-18T01:02:36Z","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":"ed79502a4fb40efed6474f22c7fbdd97a615fe60917f36a642a7420efa813460","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-09-13T11:36:36Z","title_canon_sha256":"e856f927a898cd4347ff359739fa87031025dca50bd1ff4a7c725b74e67ce02a"},"schema_version":"1.0","source":{"id":"1609.04295","kind":"arxiv","version":1}},"canonical_sha256":"db5db5641fc53f56e02762ba062552294abe4dd02bb323c40d032bc852eb19e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db5db5641fc53f56e02762ba062552294abe4dd02bb323c40d032bc852eb19e1","first_computed_at":"2026-05-18T01:02:36.660393Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:02:36.660393Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZvYxuUHwOS1VC/EvBrPlv0yC4i8SqgksNZaZCdBKknSQFKuP+VovHizOn8ZVBpazM8Qv38WziquFUpc6SKGPBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:02:36.661106Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.04295","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bdcc81c3efcb2a2585e1c8d370b8d4eba91f59bda2181d5a8290b219adcd2b82","sha256:15e2719254e8145ecc1e8ea0ba3acceea79782d4bf00d26a9913098cad040260"],"state_sha256":"c0f52accb4c017f31c5eef580dccc8765f47aa3291dccd3076041a8cd33c7867"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hqc3ScVRvPFaIJvEycaDAgx93jc6tGEKyzeqLemlUY/eF/DW1j4rJfqzg03F/e5ki8NIzHwu0R69vRwaJEECCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T01:48:20.240024Z","bundle_sha256":"b5ebdd3095036661b12e57856c5ca03df00c078c1cd1404cad301ef2cb9fbf69"}}