{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:ZET2XVFUP5VGJHCVSDZGKDXUDN","short_pith_number":"pith:ZET2XVFU","schema_version":"1.0","canonical_sha256":"c927abd4b47f6a649c5590f2650ef41b6d384c61c69f1baa52f40f93c396fe16","source":{"kind":"arxiv","id":"1802.00225","version":1},"attestation_state":"computed","paper":{"title":"The electromagnetic scattering problem by a cylindrical doubly-connected domain at oblique incidence: the direct problem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.NA"],"primary_cat":"math.AP","authors_text":"Leonidas Mindrinos","submitted_at":"2018-02-01T10:18:00Z","abstract_excerpt":"We consider the direct electromagnetic scattering problem of time-harmonic obliquely incident waves by a infinitely long, homogeneous and doubly-connected cylinder in three dimensions. We apply a hybrid integral equation method (combination of the direct and indirect methods) and we transform the scattering problem to a system of singular and hypersingular integral equations. The well-posedness of the corresponding problem is proven. We use trigonometric polynomial approximations and we solve the system of the discretized integral operators by a collocation method."},"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":"1802.00225","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2018-02-01T10:18:00Z","cross_cats_sorted":["math.NA"],"title_canon_sha256":"febf748ac8174f754703ab058fbc83472acbf6bfc3ac065e04a3f93ca190f699","abstract_canon_sha256":"f71fc5434e8172db44c580c4129fadc6267c10e63bec9109967a60a2459d7eec"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:27.799982Z","signature_b64":"2/bWHu2stCERgLsum1b9/Qk/xezV9UAg50ZXpjm2C+A97BcVoQkdOgw9TZW9+0uZ3hXmCRmzkRaqYK+JbCFlDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c927abd4b47f6a649c5590f2650ef41b6d384c61c69f1baa52f40f93c396fe16","last_reissued_at":"2026-05-17T23:41:27.799248Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:27.799248Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The electromagnetic scattering problem by a cylindrical doubly-connected domain at oblique incidence: the direct problem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.NA"],"primary_cat":"math.AP","authors_text":"Leonidas Mindrinos","submitted_at":"2018-02-01T10:18:00Z","abstract_excerpt":"We consider the direct electromagnetic scattering problem of time-harmonic obliquely incident waves by a infinitely long, homogeneous and doubly-connected cylinder in three dimensions. We apply a hybrid integral equation method (combination of the direct and indirect methods) and we transform the scattering problem to a system of singular and hypersingular integral equations. The well-posedness of the corresponding problem is proven. We use trigonometric polynomial approximations and we solve the system of the discretized integral operators by a collocation method."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.00225","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":"1802.00225","created_at":"2026-05-17T23:41:27.799368+00:00"},{"alias_kind":"arxiv_version","alias_value":"1802.00225v1","created_at":"2026-05-17T23:41:27.799368+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.00225","created_at":"2026-05-17T23:41:27.799368+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZET2XVFUP5VG","created_at":"2026-05-18T12:33:07.085635+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZET2XVFUP5VGJHCV","created_at":"2026-05-18T12:33:07.085635+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZET2XVFU","created_at":"2026-05-18T12:33:07.085635+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/ZET2XVFUP5VGJHCVSDZGKDXUDN","json":"https://pith.science/pith/ZET2XVFUP5VGJHCVSDZGKDXUDN.json","graph_json":"https://pith.science/api/pith-number/ZET2XVFUP5VGJHCVSDZGKDXUDN/graph.json","events_json":"https://pith.science/api/pith-number/ZET2XVFUP5VGJHCVSDZGKDXUDN/events.json","paper":"https://pith.science/paper/ZET2XVFU"},"agent_actions":{"view_html":"https://pith.science/pith/ZET2XVFUP5VGJHCVSDZGKDXUDN","download_json":"https://pith.science/pith/ZET2XVFUP5VGJHCVSDZGKDXUDN.json","view_paper":"https://pith.science/paper/ZET2XVFU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1802.00225&json=true","fetch_graph":"https://pith.science/api/pith-number/ZET2XVFUP5VGJHCVSDZGKDXUDN/graph.json","fetch_events":"https://pith.science/api/pith-number/ZET2XVFUP5VGJHCVSDZGKDXUDN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZET2XVFUP5VGJHCVSDZGKDXUDN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZET2XVFUP5VGJHCVSDZGKDXUDN/action/storage_attestation","attest_author":"https://pith.science/pith/ZET2XVFUP5VGJHCVSDZGKDXUDN/action/author_attestation","sign_citation":"https://pith.science/pith/ZET2XVFUP5VGJHCVSDZGKDXUDN/action/citation_signature","submit_replication":"https://pith.science/pith/ZET2XVFUP5VGJHCVSDZGKDXUDN/action/replication_record"}},"created_at":"2026-05-17T23:41:27.799368+00:00","updated_at":"2026-05-17T23:41:27.799368+00:00"}