{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:TODBAQ4DDUMSUI6YIMVXMW673L","short_pith_number":"pith:TODBAQ4D","canonical_record":{"source":{"id":"1304.3291","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-11T13:30:48Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"8334e77f962d4b682f432a5a54105d1545f9602ca5e296f52fe897f9bd6d1d4b","abstract_canon_sha256":"218a4cce86ec8d7f4f3afe6ada84913668c731fabb5d30fd853db1ff6cab6044"},"schema_version":"1.0"},"canonical_sha256":"9b861043831d192a23d8432b765bdfdaf19188ebb0faaaf3c055a0bcb22230ee","source":{"kind":"arxiv","id":"1304.3291","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.3291","created_at":"2026-05-18T03:22:16Z"},{"alias_kind":"arxiv_version","alias_value":"1304.3291v2","created_at":"2026-05-18T03:22:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.3291","created_at":"2026-05-18T03:22:16Z"},{"alias_kind":"pith_short_12","alias_value":"TODBAQ4DDUMS","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"TODBAQ4DDUMSUI6Y","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"TODBAQ4D","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:TODBAQ4DDUMSUI6YIMVXMW673L","target":"record","payload":{"canonical_record":{"source":{"id":"1304.3291","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-11T13:30:48Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"8334e77f962d4b682f432a5a54105d1545f9602ca5e296f52fe897f9bd6d1d4b","abstract_canon_sha256":"218a4cce86ec8d7f4f3afe6ada84913668c731fabb5d30fd853db1ff6cab6044"},"schema_version":"1.0"},"canonical_sha256":"9b861043831d192a23d8432b765bdfdaf19188ebb0faaaf3c055a0bcb22230ee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:22:16.909269Z","signature_b64":"4AzeDVw04iwlsEpAT6qcqorv6oDUYHA8sf60LOi0ztXWpvkAyE2GHHfxpm2TYy3FMthywtDUDyoiLlTxu27pCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b861043831d192a23d8432b765bdfdaf19188ebb0faaaf3c055a0bcb22230ee","last_reissued_at":"2026-05-18T03:22:16.908338Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:22:16.908338Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.3291","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:22:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/60wCyUG5/CLP4UXR/K34F0QMltAOR4ZXKq2R2bsUhWZPdT6UgNa12HF/s55PxA/Wd8IJMqZriXRdHSCgnizBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T15:45:01.464363Z"},"content_sha256":"176870616b46d61cf9610297769b817f9fcda48cea836f061333d468e72d04da","schema_version":"1.0","event_id":"sha256:176870616b46d61cf9610297769b817f9fcda48cea836f061333d468e72d04da"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:TODBAQ4DDUMSUI6YIMVXMW673L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Graphene-coated holey metal films: tunable molecular sensing by surface plasmon resonance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"Alexandru Vlad, Jean-Francois Colomer, Michael Sarrazin, Nicolas Reckinger, Sorin Melinte","submitted_at":"2013-04-11T13:30:48Z","abstract_excerpt":"We report on the enhancement of surface plasmon resonances in a holey bidimensional grating of subwavelength size, drilled in a gold thin film coated by a graphene sheet. The enhancement originates from the coupling between charge carriers in graphene and gold surface plasmons. The main plasmon resonance peak is located around 1.5 microns. A lower constraint on the gold-induced doping concentration of graphene is specified and the interest of this architecture for molecular sensing is also highlighted."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.3291","kind":"arxiv","version":2},"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":"2026-05-18T03:22:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PoDsV60ICgFW+qwOSwipib3czkYQc7wdCbkrd00YfV1BhJNTUx8bjRtLinu5jsSNQNYpgYs9CgmBQrrZQCCDDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T15:45:01.464774Z"},"content_sha256":"c7f3a66f01fb8a6b015fdacf2782b0275bbf05e5f9fe8f8fa71cd5137ff95f60","schema_version":"1.0","event_id":"sha256:c7f3a66f01fb8a6b015fdacf2782b0275bbf05e5f9fe8f8fa71cd5137ff95f60"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TODBAQ4DDUMSUI6YIMVXMW673L/bundle.json","state_url":"https://pith.science/pith/TODBAQ4DDUMSUI6YIMVXMW673L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TODBAQ4DDUMSUI6YIMVXMW673L/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":"2026-05-24T15:45:01Z","links":{"resolver":"https://pith.science/pith/TODBAQ4DDUMSUI6YIMVXMW673L","bundle":"https://pith.science/pith/TODBAQ4DDUMSUI6YIMVXMW673L/bundle.json","state":"https://pith.science/pith/TODBAQ4DDUMSUI6YIMVXMW673L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TODBAQ4DDUMSUI6YIMVXMW673L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:TODBAQ4DDUMSUI6YIMVXMW673L","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":"218a4cce86ec8d7f4f3afe6ada84913668c731fabb5d30fd853db1ff6cab6044","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-11T13:30:48Z","title_canon_sha256":"8334e77f962d4b682f432a5a54105d1545f9602ca5e296f52fe897f9bd6d1d4b"},"schema_version":"1.0","source":{"id":"1304.3291","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.3291","created_at":"2026-05-18T03:22:16Z"},{"alias_kind":"arxiv_version","alias_value":"1304.3291v2","created_at":"2026-05-18T03:22:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.3291","created_at":"2026-05-18T03:22:16Z"},{"alias_kind":"pith_short_12","alias_value":"TODBAQ4DDUMS","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"TODBAQ4DDUMSUI6Y","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"TODBAQ4D","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:c7f3a66f01fb8a6b015fdacf2782b0275bbf05e5f9fe8f8fa71cd5137ff95f60","target":"graph","created_at":"2026-05-18T03:22:16Z","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":"We report on the enhancement of surface plasmon resonances in a holey bidimensional grating of subwavelength size, drilled in a gold thin film coated by a graphene sheet. The enhancement originates from the coupling between charge carriers in graphene and gold surface plasmons. The main plasmon resonance peak is located around 1.5 microns. A lower constraint on the gold-induced doping concentration of graphene is specified and the interest of this architecture for molecular sensing is also highlighted.","authors_text":"Alexandru Vlad, Jean-Francois Colomer, Michael Sarrazin, Nicolas Reckinger, Sorin Melinte","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-11T13:30:48Z","title":"Graphene-coated holey metal films: tunable molecular sensing by surface plasmon resonance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.3291","kind":"arxiv","version":2},"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":"sha256:176870616b46d61cf9610297769b817f9fcda48cea836f061333d468e72d04da","target":"record","created_at":"2026-05-18T03:22:16Z","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":"218a4cce86ec8d7f4f3afe6ada84913668c731fabb5d30fd853db1ff6cab6044","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-11T13:30:48Z","title_canon_sha256":"8334e77f962d4b682f432a5a54105d1545f9602ca5e296f52fe897f9bd6d1d4b"},"schema_version":"1.0","source":{"id":"1304.3291","kind":"arxiv","version":2}},"canonical_sha256":"9b861043831d192a23d8432b765bdfdaf19188ebb0faaaf3c055a0bcb22230ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b861043831d192a23d8432b765bdfdaf19188ebb0faaaf3c055a0bcb22230ee","first_computed_at":"2026-05-18T03:22:16.908338Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:22:16.908338Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4AzeDVw04iwlsEpAT6qcqorv6oDUYHA8sf60LOi0ztXWpvkAyE2GHHfxpm2TYy3FMthywtDUDyoiLlTxu27pCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:22:16.909269Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.3291","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:176870616b46d61cf9610297769b817f9fcda48cea836f061333d468e72d04da","sha256:c7f3a66f01fb8a6b015fdacf2782b0275bbf05e5f9fe8f8fa71cd5137ff95f60"],"state_sha256":"79ad860e27cb0f32ffc8372965bb5db2cccf62a26d4323db29a30b83fcfcec59"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IpEy6+4LXjjNKn0h646Eup/amhpKJfAUSk3bYtv8pia1q4AcTDy3J9M3J2HtzCIGA8aup3Js+keecIsZ9ypdDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T15:45:01.468708Z","bundle_sha256":"bc55494a8f8a9a5d71f63b2dc03cf1409058cb6d219ee16db3422233aa06cac9"}}