{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:B45J7FRORWR5TUE6I53UYCEPNF","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":"038e9ddeedc4476eb5e82f4831a79a8a8f7f589774f9e61317e3da5e0234f974","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-09-15T22:32:34Z","title_canon_sha256":"2de18414f718b45bdc8e402dfd2d21fee1345cf5d457ee5138c8c29ee64e0022"},"schema_version":"1.0","source":{"id":"1509.04761","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.04761","created_at":"2026-05-18T01:32:51Z"},{"alias_kind":"arxiv_version","alias_value":"1509.04761v1","created_at":"2026-05-18T01:32:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.04761","created_at":"2026-05-18T01:32:51Z"},{"alias_kind":"pith_short_12","alias_value":"B45J7FRORWR5","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"B45J7FRORWR5TUE6","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"B45J7FRO","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:ca934f6288cce1401721c9de136c6dad075b00d3f7fdfae9595036385a4846e1","target":"graph","created_at":"2026-05-18T01:32:51Z","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":"When plane waves diffract through fractal-patterned apertures, the resulting far-field profiles or diffractals also exhibit iterated, self-similar features. Here we show that this specific architecture enables robust signal processing and spatial multiplexing: arbitrary parts of a diffractal contain sufficient information to recreate the entire original sparse signal.","authors_text":"Luat T. Vuong, Matthew Moocarme","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-09-15T22:32:34Z","title":"Robustness via Diffractal Architectures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.04761","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:d818034c0919496d49bddcbfc64e398fbc3468cbe80f3b83f187d52d1196dc55","target":"record","created_at":"2026-05-18T01:32:51Z","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":"038e9ddeedc4476eb5e82f4831a79a8a8f7f589774f9e61317e3da5e0234f974","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-09-15T22:32:34Z","title_canon_sha256":"2de18414f718b45bdc8e402dfd2d21fee1345cf5d457ee5138c8c29ee64e0022"},"schema_version":"1.0","source":{"id":"1509.04761","kind":"arxiv","version":1}},"canonical_sha256":"0f3a9f962e8da3d9d09e47774c088f69487809e4e98260fb0514a982441d0429","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f3a9f962e8da3d9d09e47774c088f69487809e4e98260fb0514a982441d0429","first_computed_at":"2026-05-18T01:32:51.795536Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:51.795536Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nZ9f+uXh2HAkDYj9xdIsAlf3rtZeTE+fDg+gQYznC72jH/TjqTsovsiZW12RImG1ob7U2jNn9yK4hJ9yQnKEBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:51.796190Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.04761","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d818034c0919496d49bddcbfc64e398fbc3468cbe80f3b83f187d52d1196dc55","sha256:ca934f6288cce1401721c9de136c6dad075b00d3f7fdfae9595036385a4846e1"],"state_sha256":"fc11cc2574c01172e56627857459206238756f100c8c7acdc09aa9b5a086a72d"}