{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:R2T3NIKJMAZFDNQZRZNETQB7F5","short_pith_number":"pith:R2T3NIKJ","schema_version":"1.0","canonical_sha256":"8ea7b6a149603251b6198e5a49c03f2f696fd9b2f701f15fa15c279b02cc36db","source":{"kind":"arxiv","id":"1811.08796","version":1},"attestation_state":"computed","paper":{"title":"Extraordinarily transparent compact metallic metamaterials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Miguel A. Correa-Duarte, Nicolas Pazos-Perez, Ramon A. Alvarez-Puebla, Richard V. Craster, Samuel J. Palmer, Stefan A. Maier, Vincenzo Giannini, Xiaofei Xiao","submitted_at":"2018-11-21T15:48:52Z","abstract_excerpt":"Metals are highly opaque, yet we show that densely packed arrays of metallic nanoparticles can be more transparent to infrared radiation than dielectrics such as germanium, even for arrays that are over 75% metal by volume. Despite strong interactions between the metallic particles, these arrays form effective dielectrics that are virtually dispersion-free, making possible the design of optical components that are achromatic over ultra-broadband ranges of wavelengths from a few microns up to millimetres or more. Furthermore, the local refractive indices may be tuned by altering the size, shape"},"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":"1811.08796","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-11-21T15:48:52Z","cross_cats_sorted":[],"title_canon_sha256":"0200fced055c5a7314faa63db489b02f9f08c111ffb3beb2868262934cd394bb","abstract_canon_sha256":"ef179f499e59467a1cc09c74311c9dbbf256e4c040037b6891cbe54ea1a131cf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:04.270478Z","signature_b64":"nx0qH9N1Bn6REQOcfxuFLDvERfXjaeHT1jQt7JEykCDo1HfnOKYWaYQvPbX0oVUmjVVSRUumVJetfukC7yEDBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8ea7b6a149603251b6198e5a49c03f2f696fd9b2f701f15fa15c279b02cc36db","last_reissued_at":"2026-05-17T23:43:04.270024Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:04.270024Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Extraordinarily transparent compact metallic metamaterials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Miguel A. Correa-Duarte, Nicolas Pazos-Perez, Ramon A. Alvarez-Puebla, Richard V. Craster, Samuel J. Palmer, Stefan A. Maier, Vincenzo Giannini, Xiaofei Xiao","submitted_at":"2018-11-21T15:48:52Z","abstract_excerpt":"Metals are highly opaque, yet we show that densely packed arrays of metallic nanoparticles can be more transparent to infrared radiation than dielectrics such as germanium, even for arrays that are over 75% metal by volume. Despite strong interactions between the metallic particles, these arrays form effective dielectrics that are virtually dispersion-free, making possible the design of optical components that are achromatic over ultra-broadband ranges of wavelengths from a few microns up to millimetres or more. Furthermore, the local refractive indices may be tuned by altering the size, shape"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.08796","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":"1811.08796","created_at":"2026-05-17T23:43:04.270085+00:00"},{"alias_kind":"arxiv_version","alias_value":"1811.08796v1","created_at":"2026-05-17T23:43:04.270085+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.08796","created_at":"2026-05-17T23:43:04.270085+00:00"},{"alias_kind":"pith_short_12","alias_value":"R2T3NIKJMAZF","created_at":"2026-05-18T12:32:50.500415+00:00"},{"alias_kind":"pith_short_16","alias_value":"R2T3NIKJMAZFDNQZ","created_at":"2026-05-18T12:32:50.500415+00:00"},{"alias_kind":"pith_short_8","alias_value":"R2T3NIKJ","created_at":"2026-05-18T12:32:50.500415+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/R2T3NIKJMAZFDNQZRZNETQB7F5","json":"https://pith.science/pith/R2T3NIKJMAZFDNQZRZNETQB7F5.json","graph_json":"https://pith.science/api/pith-number/R2T3NIKJMAZFDNQZRZNETQB7F5/graph.json","events_json":"https://pith.science/api/pith-number/R2T3NIKJMAZFDNQZRZNETQB7F5/events.json","paper":"https://pith.science/paper/R2T3NIKJ"},"agent_actions":{"view_html":"https://pith.science/pith/R2T3NIKJMAZFDNQZRZNETQB7F5","download_json":"https://pith.science/pith/R2T3NIKJMAZFDNQZRZNETQB7F5.json","view_paper":"https://pith.science/paper/R2T3NIKJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1811.08796&json=true","fetch_graph":"https://pith.science/api/pith-number/R2T3NIKJMAZFDNQZRZNETQB7F5/graph.json","fetch_events":"https://pith.science/api/pith-number/R2T3NIKJMAZFDNQZRZNETQB7F5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/R2T3NIKJMAZFDNQZRZNETQB7F5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/R2T3NIKJMAZFDNQZRZNETQB7F5/action/storage_attestation","attest_author":"https://pith.science/pith/R2T3NIKJMAZFDNQZRZNETQB7F5/action/author_attestation","sign_citation":"https://pith.science/pith/R2T3NIKJMAZFDNQZRZNETQB7F5/action/citation_signature","submit_replication":"https://pith.science/pith/R2T3NIKJMAZFDNQZRZNETQB7F5/action/replication_record"}},"created_at":"2026-05-17T23:43:04.270085+00:00","updated_at":"2026-05-17T23:43:04.270085+00:00"}