{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:CGYRWSOXAWCIRPNVP67WTQR54J","short_pith_number":"pith:CGYRWSOX","canonical_record":{"source":{"id":"1410.2102","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-10-08T13:27:06Z","cross_cats_sorted":[],"title_canon_sha256":"6a83c0082f1ae9c87fcf6f2489d3f97f8e62a2bf7c1f0f036213195e74b47e9d","abstract_canon_sha256":"3141c0d385f016c2dccac63c96b9e26050a829765d81e12f15680d11aea8a876"},"schema_version":"1.0"},"canonical_sha256":"11b11b49d7058488bdb57fbf69c23de271489f5c45344b6f10efd163bd43d3cb","source":{"kind":"arxiv","id":"1410.2102","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.2102","created_at":"2026-05-18T01:41:50Z"},{"alias_kind":"arxiv_version","alias_value":"1410.2102v1","created_at":"2026-05-18T01:41:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.2102","created_at":"2026-05-18T01:41:50Z"},{"alias_kind":"pith_short_12","alias_value":"CGYRWSOXAWCI","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"CGYRWSOXAWCIRPNV","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"CGYRWSOX","created_at":"2026-05-18T12:28:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:CGYRWSOXAWCIRPNVP67WTQR54J","target":"record","payload":{"canonical_record":{"source":{"id":"1410.2102","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-10-08T13:27:06Z","cross_cats_sorted":[],"title_canon_sha256":"6a83c0082f1ae9c87fcf6f2489d3f97f8e62a2bf7c1f0f036213195e74b47e9d","abstract_canon_sha256":"3141c0d385f016c2dccac63c96b9e26050a829765d81e12f15680d11aea8a876"},"schema_version":"1.0"},"canonical_sha256":"11b11b49d7058488bdb57fbf69c23de271489f5c45344b6f10efd163bd43d3cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:50.027711Z","signature_b64":"LQGz6woRQFeRp5WVgScgnoX/LXdQu3+z5K38cymniU/fpfbDNiVbitgoLkpnsJXsZfRLwdqce/xSXseN7R9rDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"11b11b49d7058488bdb57fbf69c23de271489f5c45344b6f10efd163bd43d3cb","last_reissued_at":"2026-05-18T01:41:50.027103Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:50.027103Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.2102","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":"2026-05-18T01:41:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zTGkqq1FvSL0CWRgYi1J2wDgZInMylfUlXPRwvwe1fjgfCXXUEvAgz5p5FlopJCGB9GVfSyRxro527zpsa0YBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:48:25.016389Z"},"content_sha256":"f4782e036e6e243678252bb93dc8dfabd6d0a7ddae74e029c9b87132fb47b6f6","schema_version":"1.0","event_id":"sha256:f4782e036e6e243678252bb93dc8dfabd6d0a7ddae74e029c9b87132fb47b6f6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:CGYRWSOXAWCIRPNVP67WTQR54J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Graphene-based absorber exploiting guided mode resonances in one-dimensional gratings","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"A. D Orazio, D. de Ceglia, G. Bruno, G. V. Bianco, M. A. Vincenti, M. De Vittorio, M. Grande, M. Scalora, N. Akozbek, T. Stomeo, V. Petruzzelli","submitted_at":"2014-10-08T13:27:06Z","abstract_excerpt":"A one-dimensional dielectric grating, based on a simple geometry, is proposed and investigated to enhance light absorption in a monolayer graphene exploiting guided mode resonances. Numerical findings reveal that the optimized configuration is able to absorb up to 60% of the impinging light at normal incidence for both TE and TM polarizations resulting in a theoretical enhancement factor of about 26 with respect to the monolayer graphene absorption (about 2.3%). Experimental results confirm this behaviour showing CVD graphene absorbance peaks up to about 40% over narrow bands of few nanometers"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.2102","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":"2026-05-18T01:41:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hv/pmLsSD4lwsDSl727skgadhQiefSmstSPjDWIsgkEaBEqehWCvoc6QqMP3pIObto1nYjv20wB7FGyaQGssBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:48:25.016977Z"},"content_sha256":"078621502e5d822756b11bebc6dc21a0dc1c060a39cac35a0f35f94bd4044038","schema_version":"1.0","event_id":"sha256:078621502e5d822756b11bebc6dc21a0dc1c060a39cac35a0f35f94bd4044038"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CGYRWSOXAWCIRPNVP67WTQR54J/bundle.json","state_url":"https://pith.science/pith/CGYRWSOXAWCIRPNVP67WTQR54J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CGYRWSOXAWCIRPNVP67WTQR54J/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":"2026-05-26T15:48:25Z","links":{"resolver":"https://pith.science/pith/CGYRWSOXAWCIRPNVP67WTQR54J","bundle":"https://pith.science/pith/CGYRWSOXAWCIRPNVP67WTQR54J/bundle.json","state":"https://pith.science/pith/CGYRWSOXAWCIRPNVP67WTQR54J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CGYRWSOXAWCIRPNVP67WTQR54J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:CGYRWSOXAWCIRPNVP67WTQR54J","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":"3141c0d385f016c2dccac63c96b9e26050a829765d81e12f15680d11aea8a876","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-10-08T13:27:06Z","title_canon_sha256":"6a83c0082f1ae9c87fcf6f2489d3f97f8e62a2bf7c1f0f036213195e74b47e9d"},"schema_version":"1.0","source":{"id":"1410.2102","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.2102","created_at":"2026-05-18T01:41:50Z"},{"alias_kind":"arxiv_version","alias_value":"1410.2102v1","created_at":"2026-05-18T01:41:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.2102","created_at":"2026-05-18T01:41:50Z"},{"alias_kind":"pith_short_12","alias_value":"CGYRWSOXAWCI","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"CGYRWSOXAWCIRPNV","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"CGYRWSOX","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:078621502e5d822756b11bebc6dc21a0dc1c060a39cac35a0f35f94bd4044038","target":"graph","created_at":"2026-05-18T01:41:50Z","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":"A one-dimensional dielectric grating, based on a simple geometry, is proposed and investigated to enhance light absorption in a monolayer graphene exploiting guided mode resonances. Numerical findings reveal that the optimized configuration is able to absorb up to 60% of the impinging light at normal incidence for both TE and TM polarizations resulting in a theoretical enhancement factor of about 26 with respect to the monolayer graphene absorption (about 2.3%). Experimental results confirm this behaviour showing CVD graphene absorbance peaks up to about 40% over narrow bands of few nanometers","authors_text":"A. D Orazio, D. de Ceglia, G. Bruno, G. V. Bianco, M. A. Vincenti, M. De Vittorio, M. Grande, M. Scalora, N. Akozbek, T. Stomeo, V. Petruzzelli","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-10-08T13:27:06Z","title":"Graphene-based absorber exploiting guided mode resonances in one-dimensional gratings"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.2102","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:f4782e036e6e243678252bb93dc8dfabd6d0a7ddae74e029c9b87132fb47b6f6","target":"record","created_at":"2026-05-18T01:41:50Z","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":"3141c0d385f016c2dccac63c96b9e26050a829765d81e12f15680d11aea8a876","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-10-08T13:27:06Z","title_canon_sha256":"6a83c0082f1ae9c87fcf6f2489d3f97f8e62a2bf7c1f0f036213195e74b47e9d"},"schema_version":"1.0","source":{"id":"1410.2102","kind":"arxiv","version":1}},"canonical_sha256":"11b11b49d7058488bdb57fbf69c23de271489f5c45344b6f10efd163bd43d3cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"11b11b49d7058488bdb57fbf69c23de271489f5c45344b6f10efd163bd43d3cb","first_computed_at":"2026-05-18T01:41:50.027103Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:50.027103Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LQGz6woRQFeRp5WVgScgnoX/LXdQu3+z5K38cymniU/fpfbDNiVbitgoLkpnsJXsZfRLwdqce/xSXseN7R9rDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:50.027711Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.2102","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f4782e036e6e243678252bb93dc8dfabd6d0a7ddae74e029c9b87132fb47b6f6","sha256:078621502e5d822756b11bebc6dc21a0dc1c060a39cac35a0f35f94bd4044038"],"state_sha256":"828e1f70d3f5fa8b729e0975a062980d37063355e777df5f649ef4f0be6fbc55"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KVBWtY8pEBY1aK2Jd2EGZgzhk4RVt9jtGSf4dIZGYMtMFzvIeGGBudVGuXutVXDGkksUHpx5kYLmAx1x+S/lCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T15:48:25.019293Z","bundle_sha256":"6688502e3741de99159c1dcaeb041a029c6ff0107bcfee0903cb5ddab71c46c5"}}