{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:OTLV2QWWYMHZKUMB44F3EU4KMU","short_pith_number":"pith:OTLV2QWW","canonical_record":{"source":{"id":"1008.3424","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-08-20T01:37:26Z","cross_cats_sorted":[],"title_canon_sha256":"0f34c8502b4884a406b7567044cd070a72c7b8064c129e3dce484c07b837f892","abstract_canon_sha256":"f2b1bcd63ed15b7c7480bc40bd84fed9b7293dd4869e052d9911cb4987884ff1"},"schema_version":"1.0"},"canonical_sha256":"74d75d42d6c30f955181e70bb2538a65303a3cc173777e99f5386df4e772138d","source":{"kind":"arxiv","id":"1008.3424","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.3424","created_at":"2026-05-18T04:42:02Z"},{"alias_kind":"arxiv_version","alias_value":"1008.3424v1","created_at":"2026-05-18T04:42:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.3424","created_at":"2026-05-18T04:42:02Z"},{"alias_kind":"pith_short_12","alias_value":"OTLV2QWWYMHZ","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"OTLV2QWWYMHZKUMB","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"OTLV2QWW","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:OTLV2QWWYMHZKUMB44F3EU4KMU","target":"record","payload":{"canonical_record":{"source":{"id":"1008.3424","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-08-20T01:37:26Z","cross_cats_sorted":[],"title_canon_sha256":"0f34c8502b4884a406b7567044cd070a72c7b8064c129e3dce484c07b837f892","abstract_canon_sha256":"f2b1bcd63ed15b7c7480bc40bd84fed9b7293dd4869e052d9911cb4987884ff1"},"schema_version":"1.0"},"canonical_sha256":"74d75d42d6c30f955181e70bb2538a65303a3cc173777e99f5386df4e772138d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:42:02.409267Z","signature_b64":"Efpu1IDa9VAoBxLhOyoBgoVLVXl4K88qzUB59a+Hc67VfC8JThDbG3ynvzraLbEmmvL5uXEczI+Vqx1vV2p8CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"74d75d42d6c30f955181e70bb2538a65303a3cc173777e99f5386df4e772138d","last_reissued_at":"2026-05-18T04:42:02.408880Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:42:02.408880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.3424","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":"2026-05-18T04:42:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bMT1QbUiCHeBSEz/B0YonYE3m/DdrgBxfk6FdRxFM3hf38qnKxeav2QzVhkMgOsbCQY6OvHO7rw+7JxI62kGDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T20:12:32.576609Z"},"content_sha256":"d392c4bd91f9192391cf91bc834e3f3226e707495da2401a3068c55fade46ee3","schema_version":"1.0","event_id":"sha256:d392c4bd91f9192391cf91bc834e3f3226e707495da2401a3068c55fade46ee3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:OTLV2QWWYMHZKUMB44F3EU4KMU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Plasmonic Demultiplexer and Guiding","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Chenglong Zhao, Jiasen Zhang","submitted_at":"2010-08-20T01:37:26Z","abstract_excerpt":"Two-dimensional plasmonic demultiplexers for surface plasmon polaritons (SPPs), which consist of concentric grooves on a gold film, are proposed and experimentally demonstrated to realize light-SPP coupling, effective dispersion and multiple-channel SPP guiding. A resolution as high as 10 nm is obtained. The leakage radiation microscopy imaging shows that the SPPs of different wavelengths are focused and routed into different SPP strip waveguides. The plasmonic demultiplexer can thus serve as a wavelength division multiplexing element for integrated plasmonic circuit and also as a plasmonic sp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.3424","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":"2026-05-18T04:42:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ftCm/Pe50qy5RLoUx1n3jtyV+JbTMA0f6Ayg6vIVHZp7L/KMDCLgWhZkW/wNg0NNKSpLjLQytfj6Uf1BCku/Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T20:12:32.577285Z"},"content_sha256":"6ec77a6d3ee043422aec47b3df3dd2b9f2f7dd245d7a6de5ad73553ea9dcbdf9","schema_version":"1.0","event_id":"sha256:6ec77a6d3ee043422aec47b3df3dd2b9f2f7dd245d7a6de5ad73553ea9dcbdf9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OTLV2QWWYMHZKUMB44F3EU4KMU/bundle.json","state_url":"https://pith.science/pith/OTLV2QWWYMHZKUMB44F3EU4KMU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OTLV2QWWYMHZKUMB44F3EU4KMU/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":"2026-07-31T20:12:32Z","links":{"resolver":"https://pith.science/pith/OTLV2QWWYMHZKUMB44F3EU4KMU","bundle":"https://pith.science/pith/OTLV2QWWYMHZKUMB44F3EU4KMU/bundle.json","state":"https://pith.science/pith/OTLV2QWWYMHZKUMB44F3EU4KMU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OTLV2QWWYMHZKUMB44F3EU4KMU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:OTLV2QWWYMHZKUMB44F3EU4KMU","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":"f2b1bcd63ed15b7c7480bc40bd84fed9b7293dd4869e052d9911cb4987884ff1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-08-20T01:37:26Z","title_canon_sha256":"0f34c8502b4884a406b7567044cd070a72c7b8064c129e3dce484c07b837f892"},"schema_version":"1.0","source":{"id":"1008.3424","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.3424","created_at":"2026-05-18T04:42:02Z"},{"alias_kind":"arxiv_version","alias_value":"1008.3424v1","created_at":"2026-05-18T04:42:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.3424","created_at":"2026-05-18T04:42:02Z"},{"alias_kind":"pith_short_12","alias_value":"OTLV2QWWYMHZ","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"OTLV2QWWYMHZKUMB","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"OTLV2QWW","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:6ec77a6d3ee043422aec47b3df3dd2b9f2f7dd245d7a6de5ad73553ea9dcbdf9","target":"graph","created_at":"2026-05-18T04:42:02Z","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":"Two-dimensional plasmonic demultiplexers for surface plasmon polaritons (SPPs), which consist of concentric grooves on a gold film, are proposed and experimentally demonstrated to realize light-SPP coupling, effective dispersion and multiple-channel SPP guiding. A resolution as high as 10 nm is obtained. The leakage radiation microscopy imaging shows that the SPPs of different wavelengths are focused and routed into different SPP strip waveguides. The plasmonic demultiplexer can thus serve as a wavelength division multiplexing element for integrated plasmonic circuit and also as a plasmonic sp","authors_text":"Chenglong Zhao, Jiasen Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-08-20T01:37:26Z","title":"Plasmonic Demultiplexer and Guiding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.3424","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:d392c4bd91f9192391cf91bc834e3f3226e707495da2401a3068c55fade46ee3","target":"record","created_at":"2026-05-18T04:42:02Z","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":"f2b1bcd63ed15b7c7480bc40bd84fed9b7293dd4869e052d9911cb4987884ff1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-08-20T01:37:26Z","title_canon_sha256":"0f34c8502b4884a406b7567044cd070a72c7b8064c129e3dce484c07b837f892"},"schema_version":"1.0","source":{"id":"1008.3424","kind":"arxiv","version":1}},"canonical_sha256":"74d75d42d6c30f955181e70bb2538a65303a3cc173777e99f5386df4e772138d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"74d75d42d6c30f955181e70bb2538a65303a3cc173777e99f5386df4e772138d","first_computed_at":"2026-05-18T04:42:02.408880Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:42:02.408880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Efpu1IDa9VAoBxLhOyoBgoVLVXl4K88qzUB59a+Hc67VfC8JThDbG3ynvzraLbEmmvL5uXEczI+Vqx1vV2p8CA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:42:02.409267Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.3424","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d392c4bd91f9192391cf91bc834e3f3226e707495da2401a3068c55fade46ee3","sha256:6ec77a6d3ee043422aec47b3df3dd2b9f2f7dd245d7a6de5ad73553ea9dcbdf9"],"state_sha256":"7719843ef2ee6bea6ed9cd58bdf433c8d42a81d414a40840aca5f89caaef33b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VTtNHBwlewI5CzNYRTc1dHkZQkeiGSu4rcWwaIC9I2RkBIhXvaVMeU+1dfVUYvFqj3+AbrIXbfH3ef2T9hwnDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T20:12:32.581140Z","bundle_sha256":"e551d42ddd328159c5d3181f1ece0e9b2ee50303853c72b949fad6dda8903df4"}}