{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:MQSZW5FDRHD5HE66ZJIS7DFWZN","short_pith_number":"pith:MQSZW5FD","schema_version":"1.0","canonical_sha256":"64259b74a389c7d393deca512f8cb6cb5b0ee0ee399acdf77b4443b79a43adc2","source":{"kind":"arxiv","id":"1001.4123","version":1},"attestation_state":"computed","paper":{"title":"Assessment of FDTD accuracy in the compact hemielliptic dielectric lens antenna analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.class-ph","physics.comp-ph"],"primary_cat":"physics.optics","authors_text":"A. I. Nosich, A. Rolland, A. V. Boriskin, R. Sauleau","submitted_at":"2010-01-23T02:35:53Z","abstract_excerpt":"The objective of the paper is to assess the accuracy of a standard FDTD code in the analysis of the near and far-field characteristics of two-dimensional models of small-size dielectric lens antennas made of low or high-index materials and fed by the line sources. We consider extended hemielliptic lenses and use the Muller boundary integral equations method as a suitable reference solution. Inaccuracies of FDTD near so-called half-bowtie resonances are detected. Denser meshing reduces the error of FDTD only to a certain level determined by the type of absorbing boundary conditions used and oth"},"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":"1001.4123","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-01-23T02:35:53Z","cross_cats_sorted":["physics.class-ph","physics.comp-ph"],"title_canon_sha256":"c05fd73d1b7a8508477bcf3268ff24e9af7aa6b2b8d93fe80663e08ec4401a1d","abstract_canon_sha256":"4134bf6ce3f851980b7299f4a103b1902eb63ac6ec1ec5e6f6fe468d54ce2133"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:09:30.824541Z","signature_b64":"YSxfaAc1M6q8I/J2+QWQt3sFOVpHSlxSUOuvGfDcgmXD9gUm/fj49ak9fzPUkOUiy9K+bTrzU1T8wMbMHa13BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64259b74a389c7d393deca512f8cb6cb5b0ee0ee399acdf77b4443b79a43adc2","last_reissued_at":"2026-05-18T02:09:30.823884Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:09:30.823884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Assessment of FDTD accuracy in the compact hemielliptic dielectric lens antenna analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.class-ph","physics.comp-ph"],"primary_cat":"physics.optics","authors_text":"A. I. Nosich, A. Rolland, A. V. Boriskin, R. Sauleau","submitted_at":"2010-01-23T02:35:53Z","abstract_excerpt":"The objective of the paper is to assess the accuracy of a standard FDTD code in the analysis of the near and far-field characteristics of two-dimensional models of small-size dielectric lens antennas made of low or high-index materials and fed by the line sources. We consider extended hemielliptic lenses and use the Muller boundary integral equations method as a suitable reference solution. Inaccuracies of FDTD near so-called half-bowtie resonances are detected. Denser meshing reduces the error of FDTD only to a certain level determined by the type of absorbing boundary conditions used and oth"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.4123","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":"1001.4123","created_at":"2026-05-18T02:09:30.823971+00:00"},{"alias_kind":"arxiv_version","alias_value":"1001.4123v1","created_at":"2026-05-18T02:09:30.823971+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.4123","created_at":"2026-05-18T02:09:30.823971+00:00"},{"alias_kind":"pith_short_12","alias_value":"MQSZW5FDRHD5","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_16","alias_value":"MQSZW5FDRHD5HE66","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_8","alias_value":"MQSZW5FD","created_at":"2026-05-18T12:26:10.704358+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/MQSZW5FDRHD5HE66ZJIS7DFWZN","json":"https://pith.science/pith/MQSZW5FDRHD5HE66ZJIS7DFWZN.json","graph_json":"https://pith.science/api/pith-number/MQSZW5FDRHD5HE66ZJIS7DFWZN/graph.json","events_json":"https://pith.science/api/pith-number/MQSZW5FDRHD5HE66ZJIS7DFWZN/events.json","paper":"https://pith.science/paper/MQSZW5FD"},"agent_actions":{"view_html":"https://pith.science/pith/MQSZW5FDRHD5HE66ZJIS7DFWZN","download_json":"https://pith.science/pith/MQSZW5FDRHD5HE66ZJIS7DFWZN.json","view_paper":"https://pith.science/paper/MQSZW5FD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1001.4123&json=true","fetch_graph":"https://pith.science/api/pith-number/MQSZW5FDRHD5HE66ZJIS7DFWZN/graph.json","fetch_events":"https://pith.science/api/pith-number/MQSZW5FDRHD5HE66ZJIS7DFWZN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MQSZW5FDRHD5HE66ZJIS7DFWZN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MQSZW5FDRHD5HE66ZJIS7DFWZN/action/storage_attestation","attest_author":"https://pith.science/pith/MQSZW5FDRHD5HE66ZJIS7DFWZN/action/author_attestation","sign_citation":"https://pith.science/pith/MQSZW5FDRHD5HE66ZJIS7DFWZN/action/citation_signature","submit_replication":"https://pith.science/pith/MQSZW5FDRHD5HE66ZJIS7DFWZN/action/replication_record"}},"created_at":"2026-05-18T02:09:30.823971+00:00","updated_at":"2026-05-18T02:09:30.823971+00:00"}