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Optically resonant dielectric nanostructures.Science, 354(6314):aag2472, 2016","work_id":"fac2d756-89f4-4743-b5f9-7a139d0476e6","year":2016}],"snapshot_sha256":"2960f02538613d5521bb88c9baa3fe9b93af43ac1baeebeb921e2d10847d7f28"},"source":{"id":"2605.17549","kind":"arxiv","version":1},"verdict":{"created_at":"2026-05-19T22:32:36.535743Z","id":"3edfd7f7-a73a-4f31-8d02-92f6ec9799b2","model_set":{"reader":"grok-4.3"},"one_line_summary":"A TiO2-BeS metasurface uses dielectric symmetry breaking to produce polarization-selective quasi-BIC and magnetic dipole resonances with reported sensitivities of 243 and 179 nm/RIU in the near-infrared.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"A TiO2 nanobar metasurface with a 20 nm BeS gap supports polarization-selective quasi-BIC and magnetic dipole resonances for refractive index sensing.","strongest_claim":"Under TE illumination the structure supports a quasi-BIC resonance at 879.2 nm with Q=128, whereas TM excitation produces a magnetic dipole resonance at 910.8 nm with Q=36; for background refractive indices from 1.00 to 1.05 the TE and TM resonances exhibit sensitivities of 243.1 and 178.8 nm/RIU respectively.","weakest_assumption":"The numerical FDTD simulations accurately capture the electromagnetic behavior and material properties of the TiO2-BeS structure in a real fabricated device, including the precise effect of the 20 nm BeS gap on dielectric symmetry without unmodeled losses or fabrication imperfections."}},"verdict_id":"3edfd7f7-a73a-4f31-8d02-92f6ec9799b2"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:79dd844330d53bc4de0f659e418de6cffc7e36c4a3c12201674390e20cd92692","target":"record","created_at":"2026-05-20T00:04:45Z","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":"2b58eab40d228e18d121ee3c9aa0a61f9d3c6cc3bfae44c70214604590e28511","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2026-05-17T17:15:03Z","title_canon_sha256":"22436edb35701fdaeac5d142547f4221dc3fa06c0b05eb017a83ada186707088"},"schema_version":"1.0","source":{"id":"2605.17549","kind":"arxiv","version":1}},"canonical_sha256":"e908429732fcc985099eedca0091dd5ba50544bf79616578e50dc841f38776a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e908429732fcc985099eedca0091dd5ba50544bf79616578e50dc841f38776a6","first_computed_at":"2026-05-20T00:04:45.265124Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:04:45.265124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+8moyz141A/wcP/0knvUYFVFDh4qroewTE8WQeOagOv3agJ0uYIMDVWhUcyjgjI3lDMZ+X3CUGBJk8NwxgdMAw==","signature_status":"signed_v1","signed_at":"2026-05-20T00:04:45.265769Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.17549","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:79dd844330d53bc4de0f659e418de6cffc7e36c4a3c12201674390e20cd92692","sha256:28095fdfeb1d689079e862cfede503b5d83e655317d9f189eb3d614ce89b8123"],"state_sha256":"ced79503913a5120c50c884e094cdb214dda1494d95e3107bedf568360de1eda"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CWNIwVsVw8BMIc1KSa3r8hhBYa3w8rvk4pFkFHyNDqxT1rqj8kGeWsxiLewKvjGHSUo2/8R3RnN4GTHEyceWAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T16:30:07.078021Z","bundle_sha256":"ec78822b0b5cd05009f894d94c96c03d9f01658b1940a83493e910f4568f3d66"}}