{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:OSMHMBAD43W4X73NB7AUM2N2QT","short_pith_number":"pith:OSMHMBAD","canonical_record":{"source":{"id":"1207.5053","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-07-20T20:03:00Z","cross_cats_sorted":[],"title_canon_sha256":"6280c08a74e5f0b22ef0e66f060d949594fe9ee588059219e1c25e627e11b06b","abstract_canon_sha256":"f8ea8d37fd199972a42c6bc378ee3a4128e276fe14c0c80e6cd4a04e3893f89c"},"schema_version":"1.0"},"canonical_sha256":"7498760403e6edcbff6d0fc14669ba84c52494ba5feb66934cb0fd50bae02ad0","source":{"kind":"arxiv","id":"1207.5053","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.5053","created_at":"2026-05-18T01:56:15Z"},{"alias_kind":"arxiv_version","alias_value":"1207.5053v1","created_at":"2026-05-18T01:56:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.5053","created_at":"2026-05-18T01:56:15Z"},{"alias_kind":"pith_short_12","alias_value":"OSMHMBAD43W4","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OSMHMBAD43W4X73N","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OSMHMBAD","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:OSMHMBAD43W4X73NB7AUM2N2QT","target":"record","payload":{"canonical_record":{"source":{"id":"1207.5053","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-07-20T20:03:00Z","cross_cats_sorted":[],"title_canon_sha256":"6280c08a74e5f0b22ef0e66f060d949594fe9ee588059219e1c25e627e11b06b","abstract_canon_sha256":"f8ea8d37fd199972a42c6bc378ee3a4128e276fe14c0c80e6cd4a04e3893f89c"},"schema_version":"1.0"},"canonical_sha256":"7498760403e6edcbff6d0fc14669ba84c52494ba5feb66934cb0fd50bae02ad0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:15.509470Z","signature_b64":"AnI/AHCUUCXMKJwsF0s5RNrnu0WO8+tddlRq3zFj7N85Vzeg/mmg9BILxM/6mAXn68hPNI2SrHxbfoNwu3PrAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7498760403e6edcbff6d0fc14669ba84c52494ba5feb66934cb0fd50bae02ad0","last_reissued_at":"2026-05-18T01:56:15.508965Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:15.508965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.5053","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":"2026-05-18T01:56:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VnUgeF/v0eROc294IQOh7O7krghv0bAkDyKq2dcAvmnfFSfXhCSvWLJ3PzW/oBQjtcpQA+au/PwboREcXACABA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T17:39:42.184845Z"},"content_sha256":"0dbacc668625b79b0e7d1c9f620586e285f691dbfec8bdf9cb4704cce73dd482","schema_version":"1.0","event_id":"sha256:0dbacc668625b79b0e7d1c9f620586e285f691dbfec8bdf9cb4704cce73dd482"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:OSMHMBAD43W4X73NB7AUM2N2QT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Development of WIFIS: a Wide Integral Field Infrared Spectrograph","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Dae-Sik Moon, Joshua Eisner, Ke Ma, Maxwell Millar-Blanchaer, Moo-Young Chun, Richard C. Y. Chou, Sang Chul Kim, Stephen S. Eikenberry, Steven N. Raines, Suresh Sivanandam","submitted_at":"2012-07-20T20:03:00Z","abstract_excerpt":"We present the current results from the development of a wide integral field infrared spectrograph (WIFIS). WIFIS offers an unprecedented combination of etendue and spectral resolving power for seeing-limited, integral field observations in the 0.9-1.8 um range and is most sensitive in the 0.9-1.35 um range. Its optical design consists of front-end re-imaging optics, an all-reflective image slicer-type, integral field unit (IFU) called FISICA, and a long-slit grating spectrograph back-end that is coupled with a HAWAII 2RG focal plane array. The full wavelength range is achieved by selecting be"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.5053","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":"2026-05-18T01:56:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/cedZA2PrSdGtGeBb2/RFBQ81Qzb8QX6HP6sD3ExchsSrNaN9DpqRm6LyenNPVKTwKYIhlj7em27NgBGXtj9Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T17:39:42.185188Z"},"content_sha256":"50c45b990d140300fdd183a96c88b2eedd7570ef3a31654ae719507250191467","schema_version":"1.0","event_id":"sha256:50c45b990d140300fdd183a96c88b2eedd7570ef3a31654ae719507250191467"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OSMHMBAD43W4X73NB7AUM2N2QT/bundle.json","state_url":"https://pith.science/pith/OSMHMBAD43W4X73NB7AUM2N2QT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OSMHMBAD43W4X73NB7AUM2N2QT/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":"2026-06-05T17:39:42Z","links":{"resolver":"https://pith.science/pith/OSMHMBAD43W4X73NB7AUM2N2QT","bundle":"https://pith.science/pith/OSMHMBAD43W4X73NB7AUM2N2QT/bundle.json","state":"https://pith.science/pith/OSMHMBAD43W4X73NB7AUM2N2QT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OSMHMBAD43W4X73NB7AUM2N2QT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:OSMHMBAD43W4X73NB7AUM2N2QT","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":"f8ea8d37fd199972a42c6bc378ee3a4128e276fe14c0c80e6cd4a04e3893f89c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-07-20T20:03:00Z","title_canon_sha256":"6280c08a74e5f0b22ef0e66f060d949594fe9ee588059219e1c25e627e11b06b"},"schema_version":"1.0","source":{"id":"1207.5053","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.5053","created_at":"2026-05-18T01:56:15Z"},{"alias_kind":"arxiv_version","alias_value":"1207.5053v1","created_at":"2026-05-18T01:56:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.5053","created_at":"2026-05-18T01:56:15Z"},{"alias_kind":"pith_short_12","alias_value":"OSMHMBAD43W4","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OSMHMBAD43W4X73N","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OSMHMBAD","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:50c45b990d140300fdd183a96c88b2eedd7570ef3a31654ae719507250191467","target":"graph","created_at":"2026-05-18T01:56:15Z","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":"We present the current results from the development of a wide integral field infrared spectrograph (WIFIS). WIFIS offers an unprecedented combination of etendue and spectral resolving power for seeing-limited, integral field observations in the 0.9-1.8 um range and is most sensitive in the 0.9-1.35 um range. Its optical design consists of front-end re-imaging optics, an all-reflective image slicer-type, integral field unit (IFU) called FISICA, and a long-slit grating spectrograph back-end that is coupled with a HAWAII 2RG focal plane array. The full wavelength range is achieved by selecting be","authors_text":"Dae-Sik Moon, Joshua Eisner, Ke Ma, Maxwell Millar-Blanchaer, Moo-Young Chun, Richard C. Y. Chou, Sang Chul Kim, Stephen S. Eikenberry, Steven N. Raines, Suresh Sivanandam","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-07-20T20:03:00Z","title":"The Development of WIFIS: a Wide Integral Field Infrared Spectrograph"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.5053","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":"sha256:0dbacc668625b79b0e7d1c9f620586e285f691dbfec8bdf9cb4704cce73dd482","target":"record","created_at":"2026-05-18T01:56:15Z","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":"f8ea8d37fd199972a42c6bc378ee3a4128e276fe14c0c80e6cd4a04e3893f89c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-07-20T20:03:00Z","title_canon_sha256":"6280c08a74e5f0b22ef0e66f060d949594fe9ee588059219e1c25e627e11b06b"},"schema_version":"1.0","source":{"id":"1207.5053","kind":"arxiv","version":1}},"canonical_sha256":"7498760403e6edcbff6d0fc14669ba84c52494ba5feb66934cb0fd50bae02ad0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7498760403e6edcbff6d0fc14669ba84c52494ba5feb66934cb0fd50bae02ad0","first_computed_at":"2026-05-18T01:56:15.508965Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:56:15.508965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AnI/AHCUUCXMKJwsF0s5RNrnu0WO8+tddlRq3zFj7N85Vzeg/mmg9BILxM/6mAXn68hPNI2SrHxbfoNwu3PrAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:56:15.509470Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.5053","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0dbacc668625b79b0e7d1c9f620586e285f691dbfec8bdf9cb4704cce73dd482","sha256:50c45b990d140300fdd183a96c88b2eedd7570ef3a31654ae719507250191467"],"state_sha256":"ea6c6abaabe848fe8601b7ba3dda5353a3ff4711157711d8afd71a8c85f93975"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ChSyNBe0ssku+zxZGVQ68HPHMlbPHKTI9HbZcXfnmI4+o6JD8XHBCNocMFz+yR8NMAqa2Nq/y9CMmF1luXrXCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T17:39:42.187126Z","bundle_sha256":"b85cb8e8b94fbe3e76aeec19c9f28ce35aa0434362bb060a4e3f39c6961ef062"}}