{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:IXPMDLSCGVL3VH2N4QPV5GL367","short_pith_number":"pith:IXPMDLSC","canonical_record":{"source":{"id":"1601.00033","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-01-01T00:03:45Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"1208eb49b09e98fdd70c38910e67cc69c57936aa2b250bbc8860e01f7991e20f","abstract_canon_sha256":"ee3117aee480b8e54be1e5349edc6a5e28598e98bb5f5cdfab683e8ba18ed59c"},"schema_version":"1.0"},"canonical_sha256":"45dec1ae423557ba9f4de41f5e997bf7c4b8e4180336d01cc278eafb81ab1166","source":{"kind":"arxiv","id":"1601.00033","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.00033","created_at":"2026-05-18T01:23:31Z"},{"alias_kind":"arxiv_version","alias_value":"1601.00033v1","created_at":"2026-05-18T01:23:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.00033","created_at":"2026-05-18T01:23:31Z"},{"alias_kind":"pith_short_12","alias_value":"IXPMDLSCGVL3","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IXPMDLSCGVL3VH2N","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IXPMDLSC","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:IXPMDLSCGVL3VH2N4QPV5GL367","target":"record","payload":{"canonical_record":{"source":{"id":"1601.00033","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-01-01T00:03:45Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"1208eb49b09e98fdd70c38910e67cc69c57936aa2b250bbc8860e01f7991e20f","abstract_canon_sha256":"ee3117aee480b8e54be1e5349edc6a5e28598e98bb5f5cdfab683e8ba18ed59c"},"schema_version":"1.0"},"canonical_sha256":"45dec1ae423557ba9f4de41f5e997bf7c4b8e4180336d01cc278eafb81ab1166","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:31.988832Z","signature_b64":"AhViaqncDzgLSi5OxjNTKgeZWVYInuPNeS9EUuC3S77HTBdw1Gk7S8hOgRfshjd76GHX9bdJdjBGiCMK/IjxDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45dec1ae423557ba9f4de41f5e997bf7c4b8e4180336d01cc278eafb81ab1166","last_reissued_at":"2026-05-18T01:23:31.988245Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:31.988245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.00033","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":"2026-05-18T01:23:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y4MNv4rUZ3NAtOtad8rRUG+84THe/etJPS6o9NeW7CHnRnxGqQXrGs2EJsVsx4mySvJgoVc9p7xNQYKJo6aHCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T06:02:55.534722Z"},"content_sha256":"322f1cba016c87052830ee605067696e6c3531d8413ac90f13df0526c6c4cf2d","schema_version":"1.0","event_id":"sha256:322f1cba016c87052830ee605067696e6c3531d8413ac90f13df0526c6c4cf2d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:IXPMDLSCGVL3VH2N4QPV5GL367","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Randomized Aperture Imaging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"astro-ph.IM","authors_text":"Garreth J. Ruane, Grover A. Swartzlander Jr, Xiaopeng Peng","submitted_at":"2016-01-01T00:03:45Z","abstract_excerpt":"Speckled images of a binary broad band light source (600-670 nm), generated by randomized reflections or transmissions, were used to reconstruct a binary image by use of multi-frame blind deconvolution algorithms. Craft store glitter was used as reflective elements. Another experiment used perforated foil. Also reported here are numerical models that afforded controlled tip-tilt and piston aberrations. These results suggest the potential importance of a poorly figured, randomly varying segmented imaging system."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.00033","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":"2026-05-18T01:23:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JAZGq+BfNMe/fN8Ce2dfwkDyfjMwpRxnrinoED3D2ognsXim9XVDTezBz44DOZxtBGIXgzBz5CzuKrLcjNmFDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T06:02:55.535084Z"},"content_sha256":"81c2e60cae261100ef440eca929197cfe1b2b8e2c57abe6721b071d8ba7862c1","schema_version":"1.0","event_id":"sha256:81c2e60cae261100ef440eca929197cfe1b2b8e2c57abe6721b071d8ba7862c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IXPMDLSCGVL3VH2N4QPV5GL367/bundle.json","state_url":"https://pith.science/pith/IXPMDLSCGVL3VH2N4QPV5GL367/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IXPMDLSCGVL3VH2N4QPV5GL367/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":"2026-07-08T06:02:55Z","links":{"resolver":"https://pith.science/pith/IXPMDLSCGVL3VH2N4QPV5GL367","bundle":"https://pith.science/pith/IXPMDLSCGVL3VH2N4QPV5GL367/bundle.json","state":"https://pith.science/pith/IXPMDLSCGVL3VH2N4QPV5GL367/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IXPMDLSCGVL3VH2N4QPV5GL367/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:IXPMDLSCGVL3VH2N4QPV5GL367","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":"ee3117aee480b8e54be1e5349edc6a5e28598e98bb5f5cdfab683e8ba18ed59c","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-01-01T00:03:45Z","title_canon_sha256":"1208eb49b09e98fdd70c38910e67cc69c57936aa2b250bbc8860e01f7991e20f"},"schema_version":"1.0","source":{"id":"1601.00033","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.00033","created_at":"2026-05-18T01:23:31Z"},{"alias_kind":"arxiv_version","alias_value":"1601.00033v1","created_at":"2026-05-18T01:23:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.00033","created_at":"2026-05-18T01:23:31Z"},{"alias_kind":"pith_short_12","alias_value":"IXPMDLSCGVL3","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IXPMDLSCGVL3VH2N","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IXPMDLSC","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:81c2e60cae261100ef440eca929197cfe1b2b8e2c57abe6721b071d8ba7862c1","target":"graph","created_at":"2026-05-18T01:23:31Z","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":"Speckled images of a binary broad band light source (600-670 nm), generated by randomized reflections or transmissions, were used to reconstruct a binary image by use of multi-frame blind deconvolution algorithms. Craft store glitter was used as reflective elements. Another experiment used perforated foil. Also reported here are numerical models that afforded controlled tip-tilt and piston aberrations. These results suggest the potential importance of a poorly figured, randomly varying segmented imaging system.","authors_text":"Garreth J. Ruane, Grover A. Swartzlander Jr, Xiaopeng Peng","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-01-01T00:03:45Z","title":"Randomized Aperture Imaging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.00033","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":"sha256:322f1cba016c87052830ee605067696e6c3531d8413ac90f13df0526c6c4cf2d","target":"record","created_at":"2026-05-18T01:23:31Z","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":"ee3117aee480b8e54be1e5349edc6a5e28598e98bb5f5cdfab683e8ba18ed59c","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-01-01T00:03:45Z","title_canon_sha256":"1208eb49b09e98fdd70c38910e67cc69c57936aa2b250bbc8860e01f7991e20f"},"schema_version":"1.0","source":{"id":"1601.00033","kind":"arxiv","version":1}},"canonical_sha256":"45dec1ae423557ba9f4de41f5e997bf7c4b8e4180336d01cc278eafb81ab1166","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"45dec1ae423557ba9f4de41f5e997bf7c4b8e4180336d01cc278eafb81ab1166","first_computed_at":"2026-05-18T01:23:31.988245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:31.988245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AhViaqncDzgLSi5OxjNTKgeZWVYInuPNeS9EUuC3S77HTBdw1Gk7S8hOgRfshjd76GHX9bdJdjBGiCMK/IjxDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:31.988832Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.00033","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:322f1cba016c87052830ee605067696e6c3531d8413ac90f13df0526c6c4cf2d","sha256:81c2e60cae261100ef440eca929197cfe1b2b8e2c57abe6721b071d8ba7862c1"],"state_sha256":"acf5a5b8c81f20087d666f7c6915bfeacaf80c09a7930790a82907f93f205711"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t/t0XixZ2Wr54I9zYhnAvmU1Dgb8+YBKQskv0HFdXRkzdX6uT8thDCaFgNrQUW30YODn1BYfAq0BgKhKOTkaDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T06:02:55.538482Z","bundle_sha256":"4ed66dbf80e904d3ffbde7a6abd73bbaf80d9a4d41bf737ad3541ec200d14798"}}