{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:7334U4GTE7VR2S2F7BXUW7FD7K","short_pith_number":"pith:7334U4GT","canonical_record":{"source":{"id":"2207.11698","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-07-24T09:37:26Z","cross_cats_sorted":[],"title_canon_sha256":"f01481437cad121cb06b619b2827fa619a37ca8704370d065b72911eff383cd8","abstract_canon_sha256":"9c317693d8601ad56c1dd9baaaeea35610d4d78137d8dda9dce9a882a38b0536"},"schema_version":"1.0"},"canonical_sha256":"fef7ca70d327eb1d4b45f86f4b7ca3fa9880268cb3243ac095a330e2eff036bb","source":{"kind":"arxiv","id":"2207.11698","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.11698","created_at":"2026-07-05T04:43:08Z"},{"alias_kind":"arxiv_version","alias_value":"2207.11698v1","created_at":"2026-07-05T04:43:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.11698","created_at":"2026-07-05T04:43:08Z"},{"alias_kind":"pith_short_12","alias_value":"7334U4GTE7VR","created_at":"2026-07-05T04:43:08Z"},{"alias_kind":"pith_short_16","alias_value":"7334U4GTE7VR2S2F","created_at":"2026-07-05T04:43:08Z"},{"alias_kind":"pith_short_8","alias_value":"7334U4GT","created_at":"2026-07-05T04:43:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:7334U4GTE7VR2S2F7BXUW7FD7K","target":"record","payload":{"canonical_record":{"source":{"id":"2207.11698","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-07-24T09:37:26Z","cross_cats_sorted":[],"title_canon_sha256":"f01481437cad121cb06b619b2827fa619a37ca8704370d065b72911eff383cd8","abstract_canon_sha256":"9c317693d8601ad56c1dd9baaaeea35610d4d78137d8dda9dce9a882a38b0536"},"schema_version":"1.0"},"canonical_sha256":"fef7ca70d327eb1d4b45f86f4b7ca3fa9880268cb3243ac095a330e2eff036bb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:43:08.474159Z","signature_b64":"KJyGKJiMJXoWrDrT9WB/R6BDV42pHbf66JnKtz3TP/tHQgB7K8SMp3yq1/4HXxRooH6rpu8UC5P8a7hh7KHACQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fef7ca70d327eb1d4b45f86f4b7ca3fa9880268cb3243ac095a330e2eff036bb","last_reissued_at":"2026-07-05T04:43:08.473772Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:43:08.473772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.11698","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":"2026-07-05T04:43:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NgMYxS3YCzH76AIAwZqc7p7TiHn5/byo/twUfz7eoOdkZM/VS0vHS2p2D6AsLKwbX9tGDR4wpBiVzVfY9DQmAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T01:45:10.774926Z"},"content_sha256":"05fcbbdbde9bc86b13329548c553cc3e931437c5bd6ce3572421864aedaf24ca","schema_version":"1.0","event_id":"sha256:05fcbbdbde9bc86b13329548c553cc3e931437c5bd6ce3572421864aedaf24ca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:7334U4GTE7VR2S2F7BXUW7FD7K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Science Cases for the Keck Wide-Field Imager","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"(10) University of California, (11) Instituto Nazionale di Astrofisica (INAF), (12) Space Telescope Institute, 13), (13) Jet Propulsion Laboratory, (14) University of California, (15) IRFU, (16) University of Hawaii, (17) W. M. Keck Observatory, (18) NASA Goddard Space Flight Center), (2) Niels Bohr Institute, (3) University of Melbourne, (4) University of Colorado at Boulder, (5) California Institute of Technology, (6) University of New South Wales, (7) New Mexico State University, 8), (8) University of California, (9) Monash University, A. Moller (1), A. Rest (12), B. Bolin (5), Berkeley, C. Angus (2), CEA Paris-Saclay, C. Martinez-Lombilla (6), DARK, D. Forbes (1), F. Schussler (15), G. Foran (1), G. G. Kacprzak (1), I. Wold (18), J. Bally (4), J. Cooke (1), J. Gannon (1), J. N. Burchett (7), J. Rhodes (5, J. Walawender (17), J. Zhang (1) ((1) Swinburne University of Technology, K. Auchettl (3, Los Angeles, R. Foley (8), R. Hirai (9), R. Margutti (10), R. M. Rich (14), R. Wainscoat (16), Santa Cruz, S. Brough (6), Sydney, U. Mestric (11)","submitted_at":"2022-07-24T09:37:26Z","abstract_excerpt":"The Keck Wide-Field Imager (KWFI) is a proposed 1-degree diameter field of view UV-sensitive optical camera for Keck prime focus. KWFI will be the most powerful optical wide-field camera in the world and the only such 8m-class camera sensitive down to ~3000 A for the foreseeable future. Twenty science cases are described for KWFI compiled largely during 2019-2021, preceded by a brief discussion of the instrument, components, and capabilities for context."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.11698","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/2207.11698/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":"2026-07-05T04:43:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9IouVU3oB1E1Tfeybjotj0b8JcGmhEW4sFhuy5gFVANoAv2E5gzgBgAOuTLwzMewkVEDg+FJ5i/NuyHrW0/kBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T01:45:10.775461Z"},"content_sha256":"1ba25e4d8455da50ce7e67e368d07eb4aecb8de7dd336eb60cefe1d5d77c09ea","schema_version":"1.0","event_id":"sha256:1ba25e4d8455da50ce7e67e368d07eb4aecb8de7dd336eb60cefe1d5d77c09ea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7334U4GTE7VR2S2F7BXUW7FD7K/bundle.json","state_url":"https://pith.science/pith/7334U4GTE7VR2S2F7BXUW7FD7K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7334U4GTE7VR2S2F7BXUW7FD7K/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":"2026-08-05T01:45:10Z","links":{"resolver":"https://pith.science/pith/7334U4GTE7VR2S2F7BXUW7FD7K","bundle":"https://pith.science/pith/7334U4GTE7VR2S2F7BXUW7FD7K/bundle.json","state":"https://pith.science/pith/7334U4GTE7VR2S2F7BXUW7FD7K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7334U4GTE7VR2S2F7BXUW7FD7K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:7334U4GTE7VR2S2F7BXUW7FD7K","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":"9c317693d8601ad56c1dd9baaaeea35610d4d78137d8dda9dce9a882a38b0536","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-07-24T09:37:26Z","title_canon_sha256":"f01481437cad121cb06b619b2827fa619a37ca8704370d065b72911eff383cd8"},"schema_version":"1.0","source":{"id":"2207.11698","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.11698","created_at":"2026-07-05T04:43:08Z"},{"alias_kind":"arxiv_version","alias_value":"2207.11698v1","created_at":"2026-07-05T04:43:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.11698","created_at":"2026-07-05T04:43:08Z"},{"alias_kind":"pith_short_12","alias_value":"7334U4GTE7VR","created_at":"2026-07-05T04:43:08Z"},{"alias_kind":"pith_short_16","alias_value":"7334U4GTE7VR2S2F","created_at":"2026-07-05T04:43:08Z"},{"alias_kind":"pith_short_8","alias_value":"7334U4GT","created_at":"2026-07-05T04:43:08Z"}],"graph_snapshots":[{"event_id":"sha256:1ba25e4d8455da50ce7e67e368d07eb4aecb8de7dd336eb60cefe1d5d77c09ea","target":"graph","created_at":"2026-07-05T04:43:08Z","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/2207.11698/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Keck Wide-Field Imager (KWFI) is a proposed 1-degree diameter field of view UV-sensitive optical camera for Keck prime focus. KWFI will be the most powerful optical wide-field camera in the world and the only such 8m-class camera sensitive down to ~3000 A for the foreseeable future. Twenty science cases are described for KWFI compiled largely during 2019-2021, preceded by a brief discussion of the instrument, components, and capabilities for context.","authors_text":"(10) University of California, (11) Instituto Nazionale di Astrofisica (INAF), (12) Space Telescope Institute, 13), (13) Jet Propulsion Laboratory, (14) University of California, (15) IRFU, (16) University of Hawaii, (17) W. M. Keck Observatory, (18) NASA Goddard Space Flight Center), (2) Niels Bohr Institute, (3) University of Melbourne, (4) University of Colorado at Boulder, (5) California Institute of Technology, (6) University of New South Wales, (7) New Mexico State University, 8), (8) University of California, (9) Monash University, A. Moller (1), A. Rest (12), B. Bolin (5), Berkeley, C. Angus (2), CEA Paris-Saclay, C. Martinez-Lombilla (6), DARK, D. Forbes (1), F. Schussler (15), G. Foran (1), G. G. Kacprzak (1), I. Wold (18), J. Bally (4), J. Cooke (1), J. Gannon (1), J. N. Burchett (7), J. Rhodes (5, J. Walawender (17), J. Zhang (1) ((1) Swinburne University of Technology, K. Auchettl (3, Los Angeles, R. Foley (8), R. Hirai (9), R. Margutti (10), R. M. Rich (14), R. Wainscoat (16), Santa Cruz, S. Brough (6), Sydney, U. Mestric (11)","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-07-24T09:37:26Z","title":"Science Cases for the Keck Wide-Field Imager"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.11698","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":"sha256:05fcbbdbde9bc86b13329548c553cc3e931437c5bd6ce3572421864aedaf24ca","target":"record","created_at":"2026-07-05T04:43:08Z","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":"9c317693d8601ad56c1dd9baaaeea35610d4d78137d8dda9dce9a882a38b0536","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-07-24T09:37:26Z","title_canon_sha256":"f01481437cad121cb06b619b2827fa619a37ca8704370d065b72911eff383cd8"},"schema_version":"1.0","source":{"id":"2207.11698","kind":"arxiv","version":1}},"canonical_sha256":"fef7ca70d327eb1d4b45f86f4b7ca3fa9880268cb3243ac095a330e2eff036bb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fef7ca70d327eb1d4b45f86f4b7ca3fa9880268cb3243ac095a330e2eff036bb","first_computed_at":"2026-07-05T04:43:08.473772Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:43:08.473772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KJyGKJiMJXoWrDrT9WB/R6BDV42pHbf66JnKtz3TP/tHQgB7K8SMp3yq1/4HXxRooH6rpu8UC5P8a7hh7KHACQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:43:08.474159Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.11698","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:05fcbbdbde9bc86b13329548c553cc3e931437c5bd6ce3572421864aedaf24ca","sha256:1ba25e4d8455da50ce7e67e368d07eb4aecb8de7dd336eb60cefe1d5d77c09ea"],"state_sha256":"c2eb6a9645dcdede4f634292cca77b4072ad21a6a631fab01a3f4a2bde5991bc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uxDt9tyDj4ruk+hfQ6atBwg9y+hhNyUJxOfA/wKJ3mLHL95NgBCuYgiGUbpk0l5W6x0ZdE0Li0c0O0zoUr3tCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T01:45:10.780336Z","bundle_sha256":"70b61277b025709463956bacc0c081e9ef9ceedae2f490fe56e887fafe8a4a22"}}