{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:M6WRNGYSIDDR5JGBGBYPXDAHSE","short_pith_number":"pith:M6WRNGYS","canonical_record":{"source":{"id":"1806.02522","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-06-07T05:57:07Z","cross_cats_sorted":[],"title_canon_sha256":"52a87f113321d768aed438d3fb4165d566d00187e853b82d5770994c5fc6f925","abstract_canon_sha256":"179418492897e4d46abfb92055299e2f3d350bc0166e29fc206e10d9944dafeb"},"schema_version":"1.0"},"canonical_sha256":"67ad169b1240c71ea4c13070fb8c07910241ed39dc404b5728dace8e72f25109","source":{"kind":"arxiv","id":"1806.02522","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.02522","created_at":"2026-05-18T00:13:56Z"},{"alias_kind":"arxiv_version","alias_value":"1806.02522v1","created_at":"2026-05-18T00:13:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.02522","created_at":"2026-05-18T00:13:56Z"},{"alias_kind":"pith_short_12","alias_value":"M6WRNGYSIDDR","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"M6WRNGYSIDDR5JGB","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"M6WRNGYS","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:M6WRNGYSIDDR5JGBGBYPXDAHSE","target":"record","payload":{"canonical_record":{"source":{"id":"1806.02522","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-06-07T05:57:07Z","cross_cats_sorted":[],"title_canon_sha256":"52a87f113321d768aed438d3fb4165d566d00187e853b82d5770994c5fc6f925","abstract_canon_sha256":"179418492897e4d46abfb92055299e2f3d350bc0166e29fc206e10d9944dafeb"},"schema_version":"1.0"},"canonical_sha256":"67ad169b1240c71ea4c13070fb8c07910241ed39dc404b5728dace8e72f25109","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:56.526546Z","signature_b64":"WVxQpbS3e7Ny0NtTFDLt8dqcLIRyRhA1paHIlnvG04E1VOo4vrV+p31WfMwGRFgALEWhbsEm9Xk3c8oqn4ilBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"67ad169b1240c71ea4c13070fb8c07910241ed39dc404b5728dace8e72f25109","last_reissued_at":"2026-05-18T00:13:56.525729Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:56.525729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.02522","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:13:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nxeEEDnt6QTd8xUC1Mrim4mnRrQO4amZKqq1WjPfkIlgoIlzK/FHz/FMifqkiHDeHEN4/dg4XYdjj0aXNweFAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T20:12:06.047993Z"},"content_sha256":"97312c9551053b77c823d9444df6579a529ba50fc5d405f727f5864961234bfc","schema_version":"1.0","event_id":"sha256:97312c9551053b77c823d9444df6579a529ba50fc5d405f727f5864961234bfc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:M6WRNGYSIDDR5JGBGBYPXDAHSE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Design of Novel 3D SERS Probes with Drastically Improved Detection Limit by Maximizing SPP - Based Multiple Coupling Effects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Attia Falak, Fengliang Dong, Hanfu Wang, Lanqin Yan, Lianfeng Sun, Peipei Chen, Weiguo Chu, Xianfeng Zhang, Yanjun Guo, Yi Tian","submitted_at":"2018-06-07T05:57:07Z","abstract_excerpt":"Quantifying formidable multiple coupling effects involved in Surface-enhanced Raman scattering (SERS) is a prerequisite for accurate design of SERS probes with superior detection limit and uniformity which are the targets for trace substance detection. Here, combining theory and experiments on novel 3D periodic Au/SiO2 hybrid nanogrids, we successfully develop a generalized methodology of accurately designing high performance SERS probes. Structural parameters and symmetry, Au roughness, and polarization are quantitatively correlated to intrinsic electromagnetic field (EMF) enhancements from s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.02522","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:13:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DUGpc09IBqBYHOJajQkstsMmgN8FoKa4BKEP74SwUdeYJrkWKwDEP/Tt6TJuuREajg9vyUQnOyETx6sBhuG0Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T20:12:06.048739Z"},"content_sha256":"f350ba6b691840332242998768c386d75ad143575ef9b92fd11dacca3bbfe34b","schema_version":"1.0","event_id":"sha256:f350ba6b691840332242998768c386d75ad143575ef9b92fd11dacca3bbfe34b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M6WRNGYSIDDR5JGBGBYPXDAHSE/bundle.json","state_url":"https://pith.science/pith/M6WRNGYSIDDR5JGBGBYPXDAHSE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M6WRNGYSIDDR5JGBGBYPXDAHSE/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-05T20:12:06Z","links":{"resolver":"https://pith.science/pith/M6WRNGYSIDDR5JGBGBYPXDAHSE","bundle":"https://pith.science/pith/M6WRNGYSIDDR5JGBGBYPXDAHSE/bundle.json","state":"https://pith.science/pith/M6WRNGYSIDDR5JGBGBYPXDAHSE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M6WRNGYSIDDR5JGBGBYPXDAHSE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:M6WRNGYSIDDR5JGBGBYPXDAHSE","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":"179418492897e4d46abfb92055299e2f3d350bc0166e29fc206e10d9944dafeb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-06-07T05:57:07Z","title_canon_sha256":"52a87f113321d768aed438d3fb4165d566d00187e853b82d5770994c5fc6f925"},"schema_version":"1.0","source":{"id":"1806.02522","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.02522","created_at":"2026-05-18T00:13:56Z"},{"alias_kind":"arxiv_version","alias_value":"1806.02522v1","created_at":"2026-05-18T00:13:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.02522","created_at":"2026-05-18T00:13:56Z"},{"alias_kind":"pith_short_12","alias_value":"M6WRNGYSIDDR","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"M6WRNGYSIDDR5JGB","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"M6WRNGYS","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:f350ba6b691840332242998768c386d75ad143575ef9b92fd11dacca3bbfe34b","target":"graph","created_at":"2026-05-18T00:13:56Z","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":"Quantifying formidable multiple coupling effects involved in Surface-enhanced Raman scattering (SERS) is a prerequisite for accurate design of SERS probes with superior detection limit and uniformity which are the targets for trace substance detection. Here, combining theory and experiments on novel 3D periodic Au/SiO2 hybrid nanogrids, we successfully develop a generalized methodology of accurately designing high performance SERS probes. Structural parameters and symmetry, Au roughness, and polarization are quantitatively correlated to intrinsic electromagnetic field (EMF) enhancements from s","authors_text":"Attia Falak, Fengliang Dong, Hanfu Wang, Lanqin Yan, Lianfeng Sun, Peipei Chen, Weiguo Chu, Xianfeng Zhang, Yanjun Guo, Yi Tian","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-06-07T05:57:07Z","title":"Design of Novel 3D SERS Probes with Drastically Improved Detection Limit by Maximizing SPP - Based Multiple Coupling Effects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.02522","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":"sha256:97312c9551053b77c823d9444df6579a529ba50fc5d405f727f5864961234bfc","target":"record","created_at":"2026-05-18T00:13:56Z","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":"179418492897e4d46abfb92055299e2f3d350bc0166e29fc206e10d9944dafeb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-06-07T05:57:07Z","title_canon_sha256":"52a87f113321d768aed438d3fb4165d566d00187e853b82d5770994c5fc6f925"},"schema_version":"1.0","source":{"id":"1806.02522","kind":"arxiv","version":1}},"canonical_sha256":"67ad169b1240c71ea4c13070fb8c07910241ed39dc404b5728dace8e72f25109","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"67ad169b1240c71ea4c13070fb8c07910241ed39dc404b5728dace8e72f25109","first_computed_at":"2026-05-18T00:13:56.525729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:13:56.525729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WVxQpbS3e7Ny0NtTFDLt8dqcLIRyRhA1paHIlnvG04E1VOo4vrV+p31WfMwGRFgALEWhbsEm9Xk3c8oqn4ilBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:13:56.526546Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.02522","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:97312c9551053b77c823d9444df6579a529ba50fc5d405f727f5864961234bfc","sha256:f350ba6b691840332242998768c386d75ad143575ef9b92fd11dacca3bbfe34b"],"state_sha256":"b868115c763d16472fdf0adb2606131053ab205e49efdbf071cb1286873f05bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4HVSZP8KfbB+Y93SzHenT6uSxIHVIpyN7PwcEL6WzKFlEkpXteXBxU0RUHMXIQj3e5abSFGPttP1M/ebid/qBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T20:12:06.053796Z","bundle_sha256":"98b5d77c52b118502f64e9b7fecd0d609ab6104e4ad42d8f697aebd5f21e8c80"}}