{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:HUGAYX4TGHSXB62SWZFMEG4W6T","short_pith_number":"pith:HUGAYX4T","schema_version":"1.0","canonical_sha256":"3d0c0c5f9331e570fb52b64ac21b96f4c31316ccf9c42a28d0127cb5985f6f3e","source":{"kind":"arxiv","id":"1110.3231","version":1},"attestation_state":"computed","paper":{"title":"Negative refraction in Al:ZnO/ZnO metamaterial in the near-infrared","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.optics","authors_text":"Alexander V. Kildishev, Alexandra Boltasseva, Gururaj V. Naik, Jingjing Liu, Vladimir M. Shalaev","submitted_at":"2011-10-14T15:00:27Z","abstract_excerpt":"Noble metals such as gold and silver are the primary metallic building blocks of metamaterial devices. Making subwavelength-sized structural elements from these metals seriously limits the optical performance of a device, however, and complicates the manufacturing process of nearly all metamaterial devices in the optical wavelength range. As an alternative to noble metals, we propose to use heavily-doped oxide semiconductors that offer both functional and fabrication advantages in the near-infrared. In this letter, we report an experimental demonstration of negative refraction in a near-infrar"},"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":"1110.3231","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-10-14T15:00:27Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"c84366a70caab969045ebcc41d5308d81e764fe4e502cfddc0e1e4d2a382e725","abstract_canon_sha256":"9e43890087859a92f110185d8e5718b6b79712a22fe949bc76796da95bc7b9e0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:54:16.676932Z","signature_b64":"3Ri3LnTPX27qlzOSwv+v0qORHDDUzec+fe33VGDeSlHGqYwb2PIPXo7d5tmrrkc4TiEccPgReAp23gYA6Gd+Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3d0c0c5f9331e570fb52b64ac21b96f4c31316ccf9c42a28d0127cb5985f6f3e","last_reissued_at":"2026-05-18T03:54:16.676330Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:54:16.676330Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Negative refraction in Al:ZnO/ZnO metamaterial in the near-infrared","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.optics","authors_text":"Alexander V. Kildishev, Alexandra Boltasseva, Gururaj V. Naik, Jingjing Liu, Vladimir M. Shalaev","submitted_at":"2011-10-14T15:00:27Z","abstract_excerpt":"Noble metals such as gold and silver are the primary metallic building blocks of metamaterial devices. Making subwavelength-sized structural elements from these metals seriously limits the optical performance of a device, however, and complicates the manufacturing process of nearly all metamaterial devices in the optical wavelength range. As an alternative to noble metals, we propose to use heavily-doped oxide semiconductors that offer both functional and fabrication advantages in the near-infrared. In this letter, we report an experimental demonstration of negative refraction in a near-infrar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.3231","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":"1110.3231","created_at":"2026-05-18T03:54:16.676429+00:00"},{"alias_kind":"arxiv_version","alias_value":"1110.3231v1","created_at":"2026-05-18T03:54:16.676429+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.3231","created_at":"2026-05-18T03:54:16.676429+00:00"},{"alias_kind":"pith_short_12","alias_value":"HUGAYX4TGHSX","created_at":"2026-05-18T12:26:30.835961+00:00"},{"alias_kind":"pith_short_16","alias_value":"HUGAYX4TGHSXB62S","created_at":"2026-05-18T12:26:30.835961+00:00"},{"alias_kind":"pith_short_8","alias_value":"HUGAYX4T","created_at":"2026-05-18T12:26:30.835961+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/HUGAYX4TGHSXB62SWZFMEG4W6T","json":"https://pith.science/pith/HUGAYX4TGHSXB62SWZFMEG4W6T.json","graph_json":"https://pith.science/api/pith-number/HUGAYX4TGHSXB62SWZFMEG4W6T/graph.json","events_json":"https://pith.science/api/pith-number/HUGAYX4TGHSXB62SWZFMEG4W6T/events.json","paper":"https://pith.science/paper/HUGAYX4T"},"agent_actions":{"view_html":"https://pith.science/pith/HUGAYX4TGHSXB62SWZFMEG4W6T","download_json":"https://pith.science/pith/HUGAYX4TGHSXB62SWZFMEG4W6T.json","view_paper":"https://pith.science/paper/HUGAYX4T","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1110.3231&json=true","fetch_graph":"https://pith.science/api/pith-number/HUGAYX4TGHSXB62SWZFMEG4W6T/graph.json","fetch_events":"https://pith.science/api/pith-number/HUGAYX4TGHSXB62SWZFMEG4W6T/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HUGAYX4TGHSXB62SWZFMEG4W6T/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HUGAYX4TGHSXB62SWZFMEG4W6T/action/storage_attestation","attest_author":"https://pith.science/pith/HUGAYX4TGHSXB62SWZFMEG4W6T/action/author_attestation","sign_citation":"https://pith.science/pith/HUGAYX4TGHSXB62SWZFMEG4W6T/action/citation_signature","submit_replication":"https://pith.science/pith/HUGAYX4TGHSXB62SWZFMEG4W6T/action/replication_record"}},"created_at":"2026-05-18T03:54:16.676429+00:00","updated_at":"2026-05-18T03:54:16.676429+00:00"}