{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:PLLIZ6HNDNLPI3ATQYAI65CELQ","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":"b9e6eb7e80298c9b0d845e9116b6e495b26eac463615a2c1abff1dc5d0461bbb","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-04-05T16:58:06Z","title_canon_sha256":"d678b94bda992e7fdf80c064feeb1f6497083570ff8a386be04b1c171e5c978a"},"schema_version":"1.0","source":{"id":"1604.01330","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.01330","created_at":"2026-05-18T01:09:57Z"},{"alias_kind":"arxiv_version","alias_value":"1604.01330v2","created_at":"2026-05-18T01:09:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.01330","created_at":"2026-05-18T01:09:57Z"},{"alias_kind":"pith_short_12","alias_value":"PLLIZ6HNDNLP","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"PLLIZ6HNDNLPI3AT","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"PLLIZ6HN","created_at":"2026-05-18T12:30:39Z"}],"graph_snapshots":[{"event_id":"sha256:c0db17c4112fd58f0072ef5260879c3a18a823e63b3e06cf06a6638a8ddf22ea","target":"graph","created_at":"2026-05-18T01:09:57Z","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 harness non-volatile, amorphous-crystalline transitions in the chalcogenide phase-change medium germanium antimony telluride (GST) to realize optically-switchable, all-dielectric metamaterials. Nanostructured, subwavelength-thickness films of GST present high-quality resonances that are spectrally shifted by laser-induced structural transitions, providing reflectivity and transmission switching contrast ratios of up to 5:1 (7 dB) at visible/near-infrared wavelengths selected by design.","authors_text":"Artemios Karvounis, Behrad Gholipour, Kevin F. MacDonald, Nikolay I. Zheludev","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-04-05T16:58:06Z","title":"All-dielectric phase-change reconfigurable metasurface"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.01330","kind":"arxiv","version":2},"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:de4704833cea3451fd56409c823a0e744f10a9b0c1c304fc33d5e53a2b6c9ea8","target":"record","created_at":"2026-05-18T01:09:57Z","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":"b9e6eb7e80298c9b0d845e9116b6e495b26eac463615a2c1abff1dc5d0461bbb","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-04-05T16:58:06Z","title_canon_sha256":"d678b94bda992e7fdf80c064feeb1f6497083570ff8a386be04b1c171e5c978a"},"schema_version":"1.0","source":{"id":"1604.01330","kind":"arxiv","version":2}},"canonical_sha256":"7ad68cf8ed1b56f46c1386008f74445c2e119fcf012e4ac9faa6d2a7256c0e2c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ad68cf8ed1b56f46c1386008f74445c2e119fcf012e4ac9faa6d2a7256c0e2c","first_computed_at":"2026-05-18T01:09:57.502292Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:57.502292Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mI3M7K8LkFQ+e2P94IOYONA0FNS8IyFgNZkEY7C3tS/BuGIfhf9ifHJFSlAYWdmIERmRmjtBF/RfLXJyDaXlBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:57.503013Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.01330","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:de4704833cea3451fd56409c823a0e744f10a9b0c1c304fc33d5e53a2b6c9ea8","sha256:c0db17c4112fd58f0072ef5260879c3a18a823e63b3e06cf06a6638a8ddf22ea"],"state_sha256":"6520ae6095ec8f957e5c37e13fb9cd32be3ef988ca29d54f01c24ca9087110eb"}