{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:DWSJBWOSGPA7U6P57OXYYU5MF6","short_pith_number":"pith:DWSJBWOS","canonical_record":{"source":{"id":"1406.3149","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.NE","submitted_at":"2014-06-12T08:40:04Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","cs.DC","cs.LG"],"title_canon_sha256":"1e5af508ac7ea5241805f00009acd3ccc0053489a2b4d48bae5f9f7b4ea02eb3","abstract_canon_sha256":"f3d22f9affc74a87935a19dd2cfb1cde22a4d0e19f72ef42e575108efecde0da"},"schema_version":"1.0"},"canonical_sha256":"1da490d9d233c1fa79fdfbaf8c53ac2f8b1de32624cd81d6388d72c9055dcf59","source":{"kind":"arxiv","id":"1406.3149","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.3149","created_at":"2026-05-18T02:49:52Z"},{"alias_kind":"arxiv_version","alias_value":"1406.3149v1","created_at":"2026-05-18T02:49:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.3149","created_at":"2026-05-18T02:49:52Z"},{"alias_kind":"pith_short_12","alias_value":"DWSJBWOSGPA7","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"DWSJBWOSGPA7U6P5","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"DWSJBWOS","created_at":"2026-05-18T12:28:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:DWSJBWOSGPA7U6P57OXYYU5MF6","target":"record","payload":{"canonical_record":{"source":{"id":"1406.3149","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.NE","submitted_at":"2014-06-12T08:40:04Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","cs.DC","cs.LG"],"title_canon_sha256":"1e5af508ac7ea5241805f00009acd3ccc0053489a2b4d48bae5f9f7b4ea02eb3","abstract_canon_sha256":"f3d22f9affc74a87935a19dd2cfb1cde22a4d0e19f72ef42e575108efecde0da"},"schema_version":"1.0"},"canonical_sha256":"1da490d9d233c1fa79fdfbaf8c53ac2f8b1de32624cd81d6388d72c9055dcf59","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:49:52.920015Z","signature_b64":"gX3avOHp5hTG4hUfkcYamTPGuQqauPVtlOyvxVSqBfA35gre4kf7pNQLJWbpoqQWgo6FVOOdami7t7SFcV6PDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1da490d9d233c1fa79fdfbaf8c53ac2f8b1de32624cd81d6388d72c9055dcf59","last_reissued_at":"2026-05-18T02:49:52.919538Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:49:52.919538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.3149","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":"2026-05-18T02:49:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xhxx30Zq9cpufUesH5S5p/niHzaVlsO+fzH+MWbn3Q9vxfrqjLZtR/Mlrm57yv8znb97Csa6X0xRf82PkmjFBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T20:06:09.284680Z"},"content_sha256":"7596de1c5e8a84af19ef70a2fcde80365ec35dfd2bedeb90ea5225800ac762a1","schema_version":"1.0","event_id":"sha256:7596de1c5e8a84af19ef70a2fcde80365ec35dfd2bedeb90ea5225800ac762a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:DWSJBWOSGPA7U6P57OXYYU5MF6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Cascade Neural Network Architecture investigating Surface Plasmon Polaritons propagation for thin metals in OpenMP","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci","cs.DC","cs.LG"],"primary_cat":"cs.NE","authors_text":"Christian Napoli, Emiliano Tramontana, Francesco Bonanno, Giacomo Capizzi, Giuseppe Pappalardo, Grazia Lo Sciuto","submitted_at":"2014-06-12T08:40:04Z","abstract_excerpt":"Surface plasmon polaritons (SPPs) confined along metal-dielectric interface have attracted a relevant interest in the area of ultracompact photonic circuits, photovoltaic devices and other applications due to their strong field confinement and enhancement. This paper investigates a novel cascade neural network (NN) architecture to find the dependance of metal thickness on the SPP propagation. Additionally, a novel training procedure for the proposed cascade NN has been developed using an OpenMP-based framework, thus greatly reducing training time. The performed experiments confirm the effectiv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.3149","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":"2026-05-18T02:49:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q+CLRS1vyVZbCYKPDLGrZOf+t0Vc3xW1dPIzYw3ZfjxtO0TDQkyG9upQu7wIWquQ+eLn7Y04hEnv+elIR5uLCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T20:06:09.285034Z"},"content_sha256":"2f758fc486516e32e6e693c0034302f4dc8258910acd0df53bb099df5a7d3332","schema_version":"1.0","event_id":"sha256:2f758fc486516e32e6e693c0034302f4dc8258910acd0df53bb099df5a7d3332"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DWSJBWOSGPA7U6P57OXYYU5MF6/bundle.json","state_url":"https://pith.science/pith/DWSJBWOSGPA7U6P57OXYYU5MF6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DWSJBWOSGPA7U6P57OXYYU5MF6/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":"2026-06-03T20:06:09Z","links":{"resolver":"https://pith.science/pith/DWSJBWOSGPA7U6P57OXYYU5MF6","bundle":"https://pith.science/pith/DWSJBWOSGPA7U6P57OXYYU5MF6/bundle.json","state":"https://pith.science/pith/DWSJBWOSGPA7U6P57OXYYU5MF6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DWSJBWOSGPA7U6P57OXYYU5MF6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:DWSJBWOSGPA7U6P57OXYYU5MF6","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":"f3d22f9affc74a87935a19dd2cfb1cde22a4d0e19f72ef42e575108efecde0da","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","cs.DC","cs.LG"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.NE","submitted_at":"2014-06-12T08:40:04Z","title_canon_sha256":"1e5af508ac7ea5241805f00009acd3ccc0053489a2b4d48bae5f9f7b4ea02eb3"},"schema_version":"1.0","source":{"id":"1406.3149","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.3149","created_at":"2026-05-18T02:49:52Z"},{"alias_kind":"arxiv_version","alias_value":"1406.3149v1","created_at":"2026-05-18T02:49:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.3149","created_at":"2026-05-18T02:49:52Z"},{"alias_kind":"pith_short_12","alias_value":"DWSJBWOSGPA7","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"DWSJBWOSGPA7U6P5","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"DWSJBWOS","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:2f758fc486516e32e6e693c0034302f4dc8258910acd0df53bb099df5a7d3332","target":"graph","created_at":"2026-05-18T02:49:52Z","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":"Surface plasmon polaritons (SPPs) confined along metal-dielectric interface have attracted a relevant interest in the area of ultracompact photonic circuits, photovoltaic devices and other applications due to their strong field confinement and enhancement. This paper investigates a novel cascade neural network (NN) architecture to find the dependance of metal thickness on the SPP propagation. Additionally, a novel training procedure for the proposed cascade NN has been developed using an OpenMP-based framework, thus greatly reducing training time. The performed experiments confirm the effectiv","authors_text":"Christian Napoli, Emiliano Tramontana, Francesco Bonanno, Giacomo Capizzi, Giuseppe Pappalardo, Grazia Lo Sciuto","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci","cs.DC","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.NE","submitted_at":"2014-06-12T08:40:04Z","title":"A Cascade Neural Network Architecture investigating Surface Plasmon Polaritons propagation for thin metals in OpenMP"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.3149","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":"sha256:7596de1c5e8a84af19ef70a2fcde80365ec35dfd2bedeb90ea5225800ac762a1","target":"record","created_at":"2026-05-18T02:49:52Z","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":"f3d22f9affc74a87935a19dd2cfb1cde22a4d0e19f72ef42e575108efecde0da","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","cs.DC","cs.LG"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.NE","submitted_at":"2014-06-12T08:40:04Z","title_canon_sha256":"1e5af508ac7ea5241805f00009acd3ccc0053489a2b4d48bae5f9f7b4ea02eb3"},"schema_version":"1.0","source":{"id":"1406.3149","kind":"arxiv","version":1}},"canonical_sha256":"1da490d9d233c1fa79fdfbaf8c53ac2f8b1de32624cd81d6388d72c9055dcf59","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1da490d9d233c1fa79fdfbaf8c53ac2f8b1de32624cd81d6388d72c9055dcf59","first_computed_at":"2026-05-18T02:49:52.919538Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:49:52.919538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gX3avOHp5hTG4hUfkcYamTPGuQqauPVtlOyvxVSqBfA35gre4kf7pNQLJWbpoqQWgo6FVOOdami7t7SFcV6PDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:49:52.920015Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.3149","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7596de1c5e8a84af19ef70a2fcde80365ec35dfd2bedeb90ea5225800ac762a1","sha256:2f758fc486516e32e6e693c0034302f4dc8258910acd0df53bb099df5a7d3332"],"state_sha256":"7e0d574016c8b46494b7f050025ae47723e4f72ccc3cbbb1500abbde3347c946"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OKFGsN2Dcge9gZaoaGZuNWuTeOye1sYPyMDiOQUjduHgyik9LTsSXMC7mbPRh/YfyNfPhunU5L7+CeMe5R1bBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T20:06:09.287004Z","bundle_sha256":"9f3a8a281b767cbb8ccf862f9db1936580ae48a48dcaab19e0173aae6047b371"}}