{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:7IIAWPCE23M5RHG2ZUDZCGCMGC","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":"7662cf3a543c3f1362450a01f5153f242c107446bf0443fa0e59149e9e8fa006","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-04T12:01:00Z","title_canon_sha256":"877e8cd70e3044c42ca92edc11f24d08a3f19d8429999e527e73783f26bdc2d5"},"schema_version":"1.0","source":{"id":"1502.01168","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.01168","created_at":"2026-05-18T02:26:38Z"},{"alias_kind":"arxiv_version","alias_value":"1502.01168v1","created_at":"2026-05-18T02:26:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.01168","created_at":"2026-05-18T02:26:38Z"},{"alias_kind":"pith_short_12","alias_value":"7IIAWPCE23M5","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7IIAWPCE23M5RHG2","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7IIAWPCE","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:c8dadf1adb841cc825d2dddbfe4d89cd3d2abafe95690f42cff3e3430691eb05","target":"graph","created_at":"2026-05-18T02:26:38Z","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":"Localized plasmons in metallic nanostructures have been widely used to enhance nonlinear optical effects due to their ability to concentrate and enhance light down to extreme-subwavelength scales. As alternatives to noble metal nanoparticles, graphene nanostructures can host long-lived plasmons that efficiently couple to light and are actively tunable via electrical doping. Here we show that doped graphene nanoislands present unique opportunities for enhancing nonlinear optical wave-mixing processes between two externally applied optical fields at the nanoscale. These small islands can support","authors_text":"F. Javier Garcia de Abajo, Joel D. Cox","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-04T12:01:00Z","title":"Plasmon-enhanced nonlinear wave mixing in nanostructured graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.01168","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":"sha256:693a4023122f8f2a4a96b442ba4fe354f33a1035c2195208cdb9f0310520f196","target":"record","created_at":"2026-05-18T02:26:38Z","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":"7662cf3a543c3f1362450a01f5153f242c107446bf0443fa0e59149e9e8fa006","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-04T12:01:00Z","title_canon_sha256":"877e8cd70e3044c42ca92edc11f24d08a3f19d8429999e527e73783f26bdc2d5"},"schema_version":"1.0","source":{"id":"1502.01168","kind":"arxiv","version":1}},"canonical_sha256":"fa100b3c44d6d9d89cdacd0791184c309e7e6c261c08ef6b8215fa42d38b590e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fa100b3c44d6d9d89cdacd0791184c309e7e6c261c08ef6b8215fa42d38b590e","first_computed_at":"2026-05-18T02:26:38.354123Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:26:38.354123Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ieT1RoPbwteseKszqxTpJTE3iLyilSlhlVYSVwOgSifnYH9kw7FLCJ/mvk8y0c9lZvltBnc+k7sLJrEpmcRrDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:26:38.354588Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.01168","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:693a4023122f8f2a4a96b442ba4fe354f33a1035c2195208cdb9f0310520f196","sha256:c8dadf1adb841cc825d2dddbfe4d89cd3d2abafe95690f42cff3e3430691eb05"],"state_sha256":"69319e2e04df134fa9bb43bf865295d16b70ee09a3b0d2fad06a987f57c73cf4"}