{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:3ITAVIO7CLNM2NVXBSDKXHQVGU","short_pith_number":"pith:3ITAVIO7","schema_version":"1.0","canonical_sha256":"da260aa1df12dacd36b70c86ab9e15350296d9166ee1115ca642a4c92f932339","source":{"kind":"arxiv","id":"1812.10164","version":2},"attestation_state":"computed","paper":{"title":"Designing Metagratings Via Local Periodic Approximation: From Microwaves to Infrared","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.app-ph","authors_text":"Fabrice Boust, Fabrice Pardo, Jean-Luc Pelouard, Marina Yakovleva, Shah Nawaz Burokur, Vladislav Popov","submitted_at":"2018-12-25T20:20:29Z","abstract_excerpt":"Recently, metamaterials-inspired diffraction gratings (or metagratings) have demonstrated unprecedented efficiency in wavefront manipulation by means of relatively simple structures. Conventional one-dimensional (1D) gratings have a profile modulation in one direction and a translation symmetry in the other. In 1D metagratings, the translation invariant direction is engineered at a subwavelength scale, which allows one to accurately control polarization line currents and, consequently, the scattering pattern. In bright contrast to metasurfaces, metagratings cannot be described by means of surf"},"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":"1812.10164","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-12-25T20:20:29Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"769c9a096e76fe884ba1fdb0f1215c4f13f6cd84b03dab73083821e664adaa6a","abstract_canon_sha256":"7e4a3d1787bdf85afdcec5163585de59790c34ff16afbda26bf2c710c12de31d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:58.714650Z","signature_b64":"Z3KqOEZmdJ5aqGiPtQr/p/R7CUa7iZVNE8sTrXGcSJ8g/FtO/YjypTyYBH+yda+SB8r+Q8LnTF2Fx6EPWFaJDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da260aa1df12dacd36b70c86ab9e15350296d9166ee1115ca642a4c92f932339","last_reissued_at":"2026-05-17T23:47:58.714101Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:58.714101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Designing Metagratings Via Local Periodic Approximation: From Microwaves to Infrared","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.app-ph","authors_text":"Fabrice Boust, Fabrice Pardo, Jean-Luc Pelouard, Marina Yakovleva, Shah Nawaz Burokur, Vladislav Popov","submitted_at":"2018-12-25T20:20:29Z","abstract_excerpt":"Recently, metamaterials-inspired diffraction gratings (or metagratings) have demonstrated unprecedented efficiency in wavefront manipulation by means of relatively simple structures. Conventional one-dimensional (1D) gratings have a profile modulation in one direction and a translation symmetry in the other. In 1D metagratings, the translation invariant direction is engineered at a subwavelength scale, which allows one to accurately control polarization line currents and, consequently, the scattering pattern. In bright contrast to metasurfaces, metagratings cannot be described by means of surf"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.10164","kind":"arxiv","version":2},"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":"1812.10164","created_at":"2026-05-17T23:47:58.714167+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.10164v2","created_at":"2026-05-17T23:47:58.714167+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.10164","created_at":"2026-05-17T23:47:58.714167+00:00"},{"alias_kind":"pith_short_12","alias_value":"3ITAVIO7CLNM","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_16","alias_value":"3ITAVIO7CLNM2NVX","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_8","alias_value":"3ITAVIO7","created_at":"2026-05-18T12:32:02.567920+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/3ITAVIO7CLNM2NVXBSDKXHQVGU","json":"https://pith.science/pith/3ITAVIO7CLNM2NVXBSDKXHQVGU.json","graph_json":"https://pith.science/api/pith-number/3ITAVIO7CLNM2NVXBSDKXHQVGU/graph.json","events_json":"https://pith.science/api/pith-number/3ITAVIO7CLNM2NVXBSDKXHQVGU/events.json","paper":"https://pith.science/paper/3ITAVIO7"},"agent_actions":{"view_html":"https://pith.science/pith/3ITAVIO7CLNM2NVXBSDKXHQVGU","download_json":"https://pith.science/pith/3ITAVIO7CLNM2NVXBSDKXHQVGU.json","view_paper":"https://pith.science/paper/3ITAVIO7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.10164&json=true","fetch_graph":"https://pith.science/api/pith-number/3ITAVIO7CLNM2NVXBSDKXHQVGU/graph.json","fetch_events":"https://pith.science/api/pith-number/3ITAVIO7CLNM2NVXBSDKXHQVGU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3ITAVIO7CLNM2NVXBSDKXHQVGU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3ITAVIO7CLNM2NVXBSDKXHQVGU/action/storage_attestation","attest_author":"https://pith.science/pith/3ITAVIO7CLNM2NVXBSDKXHQVGU/action/author_attestation","sign_citation":"https://pith.science/pith/3ITAVIO7CLNM2NVXBSDKXHQVGU/action/citation_signature","submit_replication":"https://pith.science/pith/3ITAVIO7CLNM2NVXBSDKXHQVGU/action/replication_record"}},"created_at":"2026-05-17T23:47:58.714167+00:00","updated_at":"2026-05-17T23:47:58.714167+00:00"}