{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:VRF5WZTWMLCXZM44LM4MOOVHIA","short_pith_number":"pith:VRF5WZTW","schema_version":"1.0","canonical_sha256":"ac4bdb667662c57cb39c5b38c73aa7403d4ac95b8e151a73d213500209e9d20c","source":{"kind":"arxiv","id":"1908.03662","version":1},"attestation_state":"computed","paper":{"title":"Terahertz sensing of 7nm dielectric film with bound states in the continuum metasurfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Madhu Bhaskaran, Manoj Gupta, Rajour Tanyi Ako, Ranjan Singh, Sharath Sriram, Yogesh Kumar Srivastava","submitted_at":"2019-08-10T01:38:09Z","abstract_excerpt":"Fingerprint spectral response of several materials with terahertz electromagnetic radiation indicates that terahertz technology is an effective tool for sensing applications. However, sensing few nanometer thin-film of dielectrics with much longer terahertz waves (1 THz = 0.3 mm) is challenging. Here, we demonstrate a quasi-bound state in the continuum (BIC) resonance for sensing of nanometer scale thin analyte deposited on a flexible metasurface. The large sensitivity originates from strong local field confinement of the quasi-BIC Fano resonance state and extremely low absorption loss of a lo"},"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":"1908.03662","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2019-08-10T01:38:09Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"bced403663f8dee036bef47eb49c55d80404efc404f57725e0b4ac7ecde79f58","abstract_canon_sha256":"ffa5e792fdb0682be0c514a2cd6da26b6e87451acf0424ddef376c3d1bb995eb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:31:55.063543Z","signature_b64":"jiJFuwcU1p3l5jVtkphcJd4pu7OxtXS5HlACs5Gt9dI6zTuTxmg27c+6Dxg8/7CrnvA09cuCFhrzEage8gmODQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac4bdb667662c57cb39c5b38c73aa7403d4ac95b8e151a73d213500209e9d20c","last_reissued_at":"2026-07-05T00:31:55.063140Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:31:55.063140Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Terahertz sensing of 7nm dielectric film with bound states in the continuum metasurfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Madhu Bhaskaran, Manoj Gupta, Rajour Tanyi Ako, Ranjan Singh, Sharath Sriram, Yogesh Kumar Srivastava","submitted_at":"2019-08-10T01:38:09Z","abstract_excerpt":"Fingerprint spectral response of several materials with terahertz electromagnetic radiation indicates that terahertz technology is an effective tool for sensing applications. However, sensing few nanometer thin-film of dielectrics with much longer terahertz waves (1 THz = 0.3 mm) is challenging. Here, we demonstrate a quasi-bound state in the continuum (BIC) resonance for sensing of nanometer scale thin analyte deposited on a flexible metasurface. The large sensitivity originates from strong local field confinement of the quasi-BIC Fano resonance state and extremely low absorption loss of a lo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.03662","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.03662/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"1908.03662","created_at":"2026-07-05T00:31:55.063197+00:00"},{"alias_kind":"arxiv_version","alias_value":"1908.03662v1","created_at":"2026-07-05T00:31:55.063197+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.03662","created_at":"2026-07-05T00:31:55.063197+00:00"},{"alias_kind":"pith_short_12","alias_value":"VRF5WZTWMLCX","created_at":"2026-07-05T00:31:55.063197+00:00"},{"alias_kind":"pith_short_16","alias_value":"VRF5WZTWMLCXZM44","created_at":"2026-07-05T00:31:55.063197+00:00"},{"alias_kind":"pith_short_8","alias_value":"VRF5WZTW","created_at":"2026-07-05T00:31:55.063197+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/VRF5WZTWMLCXZM44LM4MOOVHIA","json":"https://pith.science/pith/VRF5WZTWMLCXZM44LM4MOOVHIA.json","graph_json":"https://pith.science/api/pith-number/VRF5WZTWMLCXZM44LM4MOOVHIA/graph.json","events_json":"https://pith.science/api/pith-number/VRF5WZTWMLCXZM44LM4MOOVHIA/events.json","paper":"https://pith.science/paper/VRF5WZTW"},"agent_actions":{"view_html":"https://pith.science/pith/VRF5WZTWMLCXZM44LM4MOOVHIA","download_json":"https://pith.science/pith/VRF5WZTWMLCXZM44LM4MOOVHIA.json","view_paper":"https://pith.science/paper/VRF5WZTW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1908.03662&json=true","fetch_graph":"https://pith.science/api/pith-number/VRF5WZTWMLCXZM44LM4MOOVHIA/graph.json","fetch_events":"https://pith.science/api/pith-number/VRF5WZTWMLCXZM44LM4MOOVHIA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VRF5WZTWMLCXZM44LM4MOOVHIA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VRF5WZTWMLCXZM44LM4MOOVHIA/action/storage_attestation","attest_author":"https://pith.science/pith/VRF5WZTWMLCXZM44LM4MOOVHIA/action/author_attestation","sign_citation":"https://pith.science/pith/VRF5WZTWMLCXZM44LM4MOOVHIA/action/citation_signature","submit_replication":"https://pith.science/pith/VRF5WZTWMLCXZM44LM4MOOVHIA/action/replication_record"}},"created_at":"2026-07-05T00:31:55.063197+00:00","updated_at":"2026-07-05T00:31:55.063197+00:00"}