{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:PZWKIVXMNG75IJPUMC5KPDDIVB","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":"a7649d347a73c5356479d4ec73c2dc44e287a69aa0df1a276f7ac0d5c8f14e43","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-04-11T02:16:51Z","title_canon_sha256":"69db9df8af324082763fbba977d04f6e8eb5922117ff2339a3345d3b05de5f19"},"schema_version":"1.0","source":{"id":"1204.2319","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.2319","created_at":"2026-05-18T01:57:53Z"},{"alias_kind":"arxiv_version","alias_value":"1204.2319v1","created_at":"2026-05-18T01:57:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.2319","created_at":"2026-05-18T01:57:53Z"},{"alias_kind":"pith_short_12","alias_value":"PZWKIVXMNG75","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"PZWKIVXMNG75IJPU","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"PZWKIVXM","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:6bbba28dca117cf4c4eabe164d0488375083df12400eb77cbc281cf5211ffeba","target":"graph","created_at":"2026-05-18T01:57:53Z","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":"Very recently Farhat et al. [1] have suggested that arrays of invisibility cloaks may find important applications in low-interference communication, noninvasive probing, sensing and communication networks, etc. We report on the first experimental realization of such an array of broadband invisibility cloaks, which operates in the visible frequency range. Wavelength and angular dependencies of the cloak array performance have been studied.","authors_text":"H. K. Ermer, I. I. Smolyaninov, V. N. Smolyaninova","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-04-11T02:16:51Z","title":"Experimental demonstration of a broadband array of invisibility cloaks in the visible frequency range"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.2319","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":"sha256:1906bc8d2de2fc91fc419c9c37dfd10c276182eebe09d3010d092b1a430540a6","target":"record","created_at":"2026-05-18T01:57:53Z","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":"a7649d347a73c5356479d4ec73c2dc44e287a69aa0df1a276f7ac0d5c8f14e43","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-04-11T02:16:51Z","title_canon_sha256":"69db9df8af324082763fbba977d04f6e8eb5922117ff2339a3345d3b05de5f19"},"schema_version":"1.0","source":{"id":"1204.2319","kind":"arxiv","version":1}},"canonical_sha256":"7e6ca456ec69bfd425f460baa78c68a848af1edb603a755d9b3126c7ad2028f4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e6ca456ec69bfd425f460baa78c68a848af1edb603a755d9b3126c7ad2028f4","first_computed_at":"2026-05-18T01:57:53.758356Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:53.758356Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HqkN81zpqUPNMAb/zN3/Uhzddh3Rsomq/PAbEygrDMOhU5La53beUTkrP2t/wrUniwtf21kqAZSeUAhGGhi1Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:53.758843Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.2319","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1906bc8d2de2fc91fc419c9c37dfd10c276182eebe09d3010d092b1a430540a6","sha256:6bbba28dca117cf4c4eabe164d0488375083df12400eb77cbc281cf5211ffeba"],"state_sha256":"68f089c791dc65ef696f55f6298cac9e8a87f91c3eb6386e8ba3a2f60d1031f0"}