{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:C6SI3X32SHQU3RHQVO74XKQQX7","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":"985dbfacf2a647a0ae386143e545eea781c7f56684063f5983d81522824094d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2016-02-16T13:55:06Z","title_canon_sha256":"6f5fea2b57ba32dd797f48b36bd63ce1edfe5b9d6d01f32ed8ae0e3796223588"},"schema_version":"1.0","source":{"id":"1602.05019","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.05019","created_at":"2026-05-18T01:20:37Z"},{"alias_kind":"arxiv_version","alias_value":"1602.05019v1","created_at":"2026-05-18T01:20:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.05019","created_at":"2026-05-18T01:20:37Z"},{"alias_kind":"pith_short_12","alias_value":"C6SI3X32SHQU","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"C6SI3X32SHQU3RHQ","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"C6SI3X32","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:4b5e2f5cb48ec17c42bde3ea877fecbbb3638b4078eb135d3a95bb9ef84c73eb","target":"graph","created_at":"2026-05-18T01:20:37Z","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":"In this paper we derive an impedance boundary condition to approximate the optical scattering effect of an array of plasmonic nanoparticles mounted on a perfectly conducting plate. We show that at some resonant frequencies the impedance blows up, allowing for a significant reduction of the scattering from the plate. Using the spectral properties of a Neumann-Poincare type operator, we investigate the dependency of the impedance with respect to changes in the nanoparticle geometry and configuration.","authors_text":"Habib Ammari, Hai Zhang, Matias Ruiz, Sanghyeon Yu, Wei Wu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2016-02-16T13:55:06Z","title":"Theory of plasmonic metasurfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.05019","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:e9121fd3eb0f337ebb80013d72dbeecabb2093cccca503f3ddb71de5799e24d8","target":"record","created_at":"2026-05-18T01:20:37Z","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":"985dbfacf2a647a0ae386143e545eea781c7f56684063f5983d81522824094d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2016-02-16T13:55:06Z","title_canon_sha256":"6f5fea2b57ba32dd797f48b36bd63ce1edfe5b9d6d01f32ed8ae0e3796223588"},"schema_version":"1.0","source":{"id":"1602.05019","kind":"arxiv","version":1}},"canonical_sha256":"17a48ddf7a91e14dc4f0abbfcbaa10bfd26f04f4b3469c4ad799af54b5e4bcf4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"17a48ddf7a91e14dc4f0abbfcbaa10bfd26f04f4b3469c4ad799af54b5e4bcf4","first_computed_at":"2026-05-18T01:20:37.672457Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:37.672457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sya8Oqr5+hN0ufMvfQFAm/akAyDLhp7FOpVAoYry7J8AMJad/53bNKs1q/Tcw+p4eGsFaODq2xYzLrb2zXqdCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:37.672876Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.05019","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9121fd3eb0f337ebb80013d72dbeecabb2093cccca503f3ddb71de5799e24d8","sha256:4b5e2f5cb48ec17c42bde3ea877fecbbb3638b4078eb135d3a95bb9ef84c73eb"],"state_sha256":"c8980315ae79762769f123e112389fe14ae59f20c04aeda369f22ddac0c99b80"}