{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:CQJJNPMRWH2AWYMMJKMCPOWNJQ","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":"fe053ab200910ac66a5ce3ad6a241c2f708e0fbe914fd7176730be397ba5aa6a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2026-03-05T09:01:09Z","title_canon_sha256":"d5d392cce9c3096fd9349cd1e4b62a83dbe450b55a6c1046f45065a57450cfa0"},"schema_version":"1.0","source":{"id":"2603.04965","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.04965","created_at":"2026-05-28T02:04:46Z"},{"alias_kind":"arxiv_version","alias_value":"2603.04965v2","created_at":"2026-05-28T02:04:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.04965","created_at":"2026-05-28T02:04:46Z"},{"alias_kind":"pith_short_12","alias_value":"CQJJNPMRWH2A","created_at":"2026-05-28T02:04:46Z"},{"alias_kind":"pith_short_16","alias_value":"CQJJNPMRWH2AWYMM","created_at":"2026-05-28T02:04:46Z"},{"alias_kind":"pith_short_8","alias_value":"CQJJNPMR","created_at":"2026-05-28T02:04:46Z"}],"graph_snapshots":[{"event_id":"sha256:e7bd327eba24feff18aa8280b91a38713b0e1b6d6d40d5bf822a1574348692aa","target":"graph","created_at":"2026-05-28T02:04:46Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2603.04965/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A multiband hybrid metasurface supporting multiple gap-surface plasmon (GSP) and localized surface plasmon (LSP) modes is presented. The structure adopts a metal-dielectric-metal configuration consisting of an aluminum bottom layer, a silicon dioxide spacer, and a bar-disc hybrid resonator patterned in the top aluminum layer. Optimized geometrical parameters yield four distinct resonances across the near-infrared and telecommunication bands, arising from the interplay between GSP modes and LSP excitations. The reflectance spectra are systematically analyzed as functions of geometric parameters","authors_text":"Boon S. Ooi, Hakan Bagci, Omar Alkhazragi, Partha Mondal","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2026-03-05T09:01:09Z","title":"Multiband Hybrid Metasurface for Enhanced Second-Harmonic Generation via Coupled Gap Surface Plasmon Modes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.04965","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":"sha256:18c5a404216cb74f7c38ff430aee1e1475f206ecaa4ed980007d3dee9fa279af","target":"record","created_at":"2026-05-28T02:04:46Z","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":"fe053ab200910ac66a5ce3ad6a241c2f708e0fbe914fd7176730be397ba5aa6a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2026-03-05T09:01:09Z","title_canon_sha256":"d5d392cce9c3096fd9349cd1e4b62a83dbe450b55a6c1046f45065a57450cfa0"},"schema_version":"1.0","source":{"id":"2603.04965","kind":"arxiv","version":2}},"canonical_sha256":"141296bd91b1f40b618c4a9827bacd4c0c83d42c5df6b5ecfc4a845945b6b04f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"141296bd91b1f40b618c4a9827bacd4c0c83d42c5df6b5ecfc4a845945b6b04f","first_computed_at":"2026-05-28T02:04:46.716665Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-28T02:04:46.716665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hw8/OUMErxliSAuhuHQOCT+KnBXh7dYh3r4+qc/2q6Jd57XTCaStIGts244M/eJUs/8i5LCJNY82/y3A9DpnDA==","signature_status":"signed_v1","signed_at":"2026-05-28T02:04:46.717209Z","signed_message":"canonical_sha256_bytes"},"source_id":"2603.04965","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:18c5a404216cb74f7c38ff430aee1e1475f206ecaa4ed980007d3dee9fa279af","sha256:e7bd327eba24feff18aa8280b91a38713b0e1b6d6d40d5bf822a1574348692aa"],"state_sha256":"c952281fa2e8ef549ee8eb4448ed50c919119f7a56e7fef3b9c8573366d7f598"}