{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:LXBRJKQIB247ZDDIU2PG6JMREL","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":"dd9b2a71e059169ada54e9a9cca1fdaef3a29925696447ac9290459a3f632abd","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-07-04T06:21:07Z","title_canon_sha256":"1e6697c5fcc99c56a1fa6f9571d854245bbe387456d8e6120f4540f4a99b44cb"},"schema_version":"1.0","source":{"id":"1407.1129","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.1129","created_at":"2026-05-18T01:42:42Z"},{"alias_kind":"arxiv_version","alias_value":"1407.1129v1","created_at":"2026-05-18T01:42:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.1129","created_at":"2026-05-18T01:42:42Z"},{"alias_kind":"pith_short_12","alias_value":"LXBRJKQIB247","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LXBRJKQIB247ZDDI","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LXBRJKQI","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:7f029e4a68b86c991dc6c2db903d484898d1c6122213642bb28184c1f85a0506","target":"graph","created_at":"2026-05-18T01:42:42Z","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":"Raman intensity of Rhodamine B (RhB) is enhanced by inserting a thin high \\k{appa} dielectric layer which reduces the surface plasmon damping at the gold-graphene interface. The results indicate that the Raman intensity increases sharply by plasmonic resonance enhancement while maintaining efficient fluorescence quenching with optimized dielectric layer thickness.","authors_text":"Guozhen Liang, Jin Tao, Qi Jie Wang, Tao Liu, Xuechao Yu, Yongzhe Zhang, Youde Shen","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-07-04T06:21:07Z","title":"Metal-Dielectric-Graphene Sandwich for Surface Enhanced Raman Spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.1129","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":"sha256:81709e6776a373490515cdc8df224b183b823f980c8ea0098fb6b170a1704912","target":"record","created_at":"2026-05-18T01:42:42Z","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":"dd9b2a71e059169ada54e9a9cca1fdaef3a29925696447ac9290459a3f632abd","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-07-04T06:21:07Z","title_canon_sha256":"1e6697c5fcc99c56a1fa6f9571d854245bbe387456d8e6120f4540f4a99b44cb"},"schema_version":"1.0","source":{"id":"1407.1129","kind":"arxiv","version":1}},"canonical_sha256":"5dc314aa080eb9fc8c68a69e6f259122c603fc58ae5ebc369a762a10d09dda0e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5dc314aa080eb9fc8c68a69e6f259122c603fc58ae5ebc369a762a10d09dda0e","first_computed_at":"2026-05-18T01:42:42.023259Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:42.023259Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yfd8Ui2uzhm3heHC4E3nfkFFObO5+HniAZMXec/nClS7sKs2gJeiNprfCeiDH/k6bcgD2hrAr7jaqqk+4d6FBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:42.023804Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.1129","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81709e6776a373490515cdc8df224b183b823f980c8ea0098fb6b170a1704912","sha256:7f029e4a68b86c991dc6c2db903d484898d1c6122213642bb28184c1f85a0506"],"state_sha256":"b0aeafe3fb5f9f84b2982c2d99c4aad81e63d72bc84cc1abcb5db89134c23115"}