{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:LIK7F7COPKUDXBULALR2PY76NR","short_pith_number":"pith:LIK7F7CO","canonical_record":{"source":{"id":"1105.5793","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-05-29T14:20:27Z","cross_cats_sorted":[],"title_canon_sha256":"8c921d3241074bad4fc0bf7e0775f4a8f1338d183e94d35afae98e035cb0a042","abstract_canon_sha256":"a1d212b205f28c5411668a0db86cc773008a261bd37851380fd3e2ed1cf55336"},"schema_version":"1.0"},"canonical_sha256":"5a15f2fc4e7aa83b868b02e3a7e3fe6c53c4a622c7f16da506fe5a55857e9f1b","source":{"kind":"arxiv","id":"1105.5793","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.5793","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"arxiv_version","alias_value":"1105.5793v1","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.5793","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"pith_short_12","alias_value":"LIK7F7COPKUD","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"LIK7F7COPKUDXBUL","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"LIK7F7CO","created_at":"2026-05-18T12:26:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:LIK7F7COPKUDXBULALR2PY76NR","target":"record","payload":{"canonical_record":{"source":{"id":"1105.5793","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-05-29T14:20:27Z","cross_cats_sorted":[],"title_canon_sha256":"8c921d3241074bad4fc0bf7e0775f4a8f1338d183e94d35afae98e035cb0a042","abstract_canon_sha256":"a1d212b205f28c5411668a0db86cc773008a261bd37851380fd3e2ed1cf55336"},"schema_version":"1.0"},"canonical_sha256":"5a15f2fc4e7aa83b868b02e3a7e3fe6c53c4a622c7f16da506fe5a55857e9f1b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:49:20.687654Z","signature_b64":"igKvMPL7bdY5zeMwDgc5gah6Mh2xMrjBNoW0x6+zsggnt7YQrH1CKGWpBZSvK+i5IwLRRtlEz9LFR+HO1NjBAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a15f2fc4e7aa83b868b02e3a7e3fe6c53c4a622c7f16da506fe5a55857e9f1b","last_reissued_at":"2026-05-18T02:49:20.687126Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:49:20.687126Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.5793","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":"2026-05-18T02:49:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/x4ERyToH11LnXZjYzr89GbX7E89GLmgb9vppF1qaoDgSR3v+dUAfTL4JviWl5UWowQJwnPInMfk2/I1Uh/3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T06:13:05.261900Z"},"content_sha256":"fd4a509b0cb750f0b161d0ac443b6913f77e16dd4c94e9e85c1ff8ee6ce0ce70","schema_version":"1.0","event_id":"sha256:fd4a509b0cb750f0b161d0ac443b6913f77e16dd4c94e9e85c1ff8ee6ce0ce70"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:LIK7F7COPKUDXBULALR2PY76NR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Grating-coupled excitation of multiple surface plasmon-polariton waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Akhlesh Lakhtakia, Muhammad Faryad","submitted_at":"2011-05-29T14:20:27Z","abstract_excerpt":"The excitation of multiple surface-plasmon-polariton (SPP) waves of different linear polarization states and phase speeds by a surface-relief grating formed by a metal and a rugate filter, both of finite thickness, was studied theoretically, using rigorous coupled-wave-analysis. The incident plane wave can be either p or s polarized. The excitation of SPP waves is indicated by the presence of those peaks in the plots of absorbance vs. the incidence angle that are independent of the thickness of the rugate filter. The absorbance peaks representing the excitation of s-polarized SPP waves are nar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.5793","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":"2026-05-18T02:49:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8zkjO7dHv//T92mabpSyzU/4VZ389OOSudZwT9gXBhCo6TEQTTnKMHnGeyjVFwCqG9cROmrCrxo2OoJVhwKLBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T06:13:05.262583Z"},"content_sha256":"acc53aa5c3273bea03654b4b5de2e2028aaa526bbdce245f9efedf3814f301f2","schema_version":"1.0","event_id":"sha256:acc53aa5c3273bea03654b4b5de2e2028aaa526bbdce245f9efedf3814f301f2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LIK7F7COPKUDXBULALR2PY76NR/bundle.json","state_url":"https://pith.science/pith/LIK7F7COPKUDXBULALR2PY76NR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LIK7F7COPKUDXBULALR2PY76NR/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":"2026-06-07T06:13:05Z","links":{"resolver":"https://pith.science/pith/LIK7F7COPKUDXBULALR2PY76NR","bundle":"https://pith.science/pith/LIK7F7COPKUDXBULALR2PY76NR/bundle.json","state":"https://pith.science/pith/LIK7F7COPKUDXBULALR2PY76NR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LIK7F7COPKUDXBULALR2PY76NR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:LIK7F7COPKUDXBULALR2PY76NR","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":"a1d212b205f28c5411668a0db86cc773008a261bd37851380fd3e2ed1cf55336","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-05-29T14:20:27Z","title_canon_sha256":"8c921d3241074bad4fc0bf7e0775f4a8f1338d183e94d35afae98e035cb0a042"},"schema_version":"1.0","source":{"id":"1105.5793","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.5793","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"arxiv_version","alias_value":"1105.5793v1","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.5793","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"pith_short_12","alias_value":"LIK7F7COPKUD","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"LIK7F7COPKUDXBUL","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"LIK7F7CO","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:acc53aa5c3273bea03654b4b5de2e2028aaa526bbdce245f9efedf3814f301f2","target":"graph","created_at":"2026-05-18T02:49:20Z","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":"The excitation of multiple surface-plasmon-polariton (SPP) waves of different linear polarization states and phase speeds by a surface-relief grating formed by a metal and a rugate filter, both of finite thickness, was studied theoretically, using rigorous coupled-wave-analysis. The incident plane wave can be either p or s polarized. The excitation of SPP waves is indicated by the presence of those peaks in the plots of absorbance vs. the incidence angle that are independent of the thickness of the rugate filter. The absorbance peaks representing the excitation of s-polarized SPP waves are nar","authors_text":"Akhlesh Lakhtakia, Muhammad Faryad","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-05-29T14:20:27Z","title":"Grating-coupled excitation of multiple surface plasmon-polariton waves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.5793","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:fd4a509b0cb750f0b161d0ac443b6913f77e16dd4c94e9e85c1ff8ee6ce0ce70","target":"record","created_at":"2026-05-18T02:49:20Z","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":"a1d212b205f28c5411668a0db86cc773008a261bd37851380fd3e2ed1cf55336","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-05-29T14:20:27Z","title_canon_sha256":"8c921d3241074bad4fc0bf7e0775f4a8f1338d183e94d35afae98e035cb0a042"},"schema_version":"1.0","source":{"id":"1105.5793","kind":"arxiv","version":1}},"canonical_sha256":"5a15f2fc4e7aa83b868b02e3a7e3fe6c53c4a622c7f16da506fe5a55857e9f1b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a15f2fc4e7aa83b868b02e3a7e3fe6c53c4a622c7f16da506fe5a55857e9f1b","first_computed_at":"2026-05-18T02:49:20.687126Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:49:20.687126Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"igKvMPL7bdY5zeMwDgc5gah6Mh2xMrjBNoW0x6+zsggnt7YQrH1CKGWpBZSvK+i5IwLRRtlEz9LFR+HO1NjBAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:49:20.687654Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.5793","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fd4a509b0cb750f0b161d0ac443b6913f77e16dd4c94e9e85c1ff8ee6ce0ce70","sha256:acc53aa5c3273bea03654b4b5de2e2028aaa526bbdce245f9efedf3814f301f2"],"state_sha256":"a12fce6c6554b887fb7fb09f3dfac83a84c127ed2613454bd2e461da99ac961a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cWx+974+s4vmMKBMQq2hSFd191xnhArsXMdS6T48+k0L9yBSsNR3AB0HDmMcMDtFPordxl5OshiHZ3qRcSnLDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T06:13:05.266366Z","bundle_sha256":"0d2778fb38769f525ccc54e0441c30b71fd715d5cf8c36ca9f32834624291e85"}}