{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:CGTFGJRBCF2RYIKNGW47NYIDQF","short_pith_number":"pith:CGTFGJRB","schema_version":"1.0","canonical_sha256":"11a653262111751c214d35b9f6e1038152a10befe1bc09aa435cb62c690ab8b2","source":{"kind":"arxiv","id":"1112.4471","version":1},"attestation_state":"computed","paper":{"title":"Sub-diffraction thin-film sensing with planar terahertz metamaterials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Charan M. Shah, Christophe Fumeaux, Derek Abbott, Hungyen Lin, Kazunori Serita, Madhu Bhaskaran, Masayoshi Tonouchi, Sharath Sriram, Withawat Withayachumnankul","submitted_at":"2011-12-18T00:22:46Z","abstract_excerpt":"Planar metamaterials have been recently proposed for thin dielectric film sensing in the terahertz frequency range. Although the thickness of the dielectric film can be very small compared with the wavelength, the required area of sensed material is still determined by the diffraction-limited spot size of the terahertz beam excitation. In this article, terahertz near-field sensing is utilized to reduce the spot size. By positioning the metamaterial sensing platform close to the sub-diffraction terahertz source, the number of excited resonators, and hence minimal film area, are significantly re"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1112.4471","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-12-18T00:22:46Z","cross_cats_sorted":[],"title_canon_sha256":"b44b317b7fcc7bdd4ebe3062aabadb72cf2136e65f4f13a9d1082e4e6c82df70","abstract_canon_sha256":"9c82401e821b0237f81c91d31515d86dbb440a1faac937237bf5a13ed1e1e4c4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:34:59.558108Z","signature_b64":"HzNggtz9hGKCsBl/SYOY/m0BWupTH9IbfZvr94TZ/ScPKrqHb2EqQ1wv6R6BSl0kYnJ/YFKg/ds2+c6QgIXVCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"11a653262111751c214d35b9f6e1038152a10befe1bc09aa435cb62c690ab8b2","last_reissued_at":"2026-05-18T03:34:59.557229Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:34:59.557229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sub-diffraction thin-film sensing with planar terahertz metamaterials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Charan M. Shah, Christophe Fumeaux, Derek Abbott, Hungyen Lin, Kazunori Serita, Madhu Bhaskaran, Masayoshi Tonouchi, Sharath Sriram, Withawat Withayachumnankul","submitted_at":"2011-12-18T00:22:46Z","abstract_excerpt":"Planar metamaterials have been recently proposed for thin dielectric film sensing in the terahertz frequency range. Although the thickness of the dielectric film can be very small compared with the wavelength, the required area of sensed material is still determined by the diffraction-limited spot size of the terahertz beam excitation. In this article, terahertz near-field sensing is utilized to reduce the spot size. By positioning the metamaterial sensing platform close to the sub-diffraction terahertz source, the number of excited resonators, and hence minimal film area, are significantly re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.4471","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1112.4471","created_at":"2026-05-18T03:34:59.557360+00:00"},{"alias_kind":"arxiv_version","alias_value":"1112.4471v1","created_at":"2026-05-18T03:34:59.557360+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.4471","created_at":"2026-05-18T03:34:59.557360+00:00"},{"alias_kind":"pith_short_12","alias_value":"CGTFGJRBCF2R","created_at":"2026-05-18T12:26:26.731475+00:00"},{"alias_kind":"pith_short_16","alias_value":"CGTFGJRBCF2RYIKN","created_at":"2026-05-18T12:26:26.731475+00:00"},{"alias_kind":"pith_short_8","alias_value":"CGTFGJRB","created_at":"2026-05-18T12:26:26.731475+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CGTFGJRBCF2RYIKNGW47NYIDQF","json":"https://pith.science/pith/CGTFGJRBCF2RYIKNGW47NYIDQF.json","graph_json":"https://pith.science/api/pith-number/CGTFGJRBCF2RYIKNGW47NYIDQF/graph.json","events_json":"https://pith.science/api/pith-number/CGTFGJRBCF2RYIKNGW47NYIDQF/events.json","paper":"https://pith.science/paper/CGTFGJRB"},"agent_actions":{"view_html":"https://pith.science/pith/CGTFGJRBCF2RYIKNGW47NYIDQF","download_json":"https://pith.science/pith/CGTFGJRBCF2RYIKNGW47NYIDQF.json","view_paper":"https://pith.science/paper/CGTFGJRB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1112.4471&json=true","fetch_graph":"https://pith.science/api/pith-number/CGTFGJRBCF2RYIKNGW47NYIDQF/graph.json","fetch_events":"https://pith.science/api/pith-number/CGTFGJRBCF2RYIKNGW47NYIDQF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CGTFGJRBCF2RYIKNGW47NYIDQF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CGTFGJRBCF2RYIKNGW47NYIDQF/action/storage_attestation","attest_author":"https://pith.science/pith/CGTFGJRBCF2RYIKNGW47NYIDQF/action/author_attestation","sign_citation":"https://pith.science/pith/CGTFGJRBCF2RYIKNGW47NYIDQF/action/citation_signature","submit_replication":"https://pith.science/pith/CGTFGJRBCF2RYIKNGW47NYIDQF/action/replication_record"}},"created_at":"2026-05-18T03:34:59.557360+00:00","updated_at":"2026-05-18T03:34:59.557360+00:00"}