{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:PIATWZV7R6DXP3RBJIFKFR3PVK","short_pith_number":"pith:PIATWZV7","schema_version":"1.0","canonical_sha256":"7a013b66bf8f8777ee214a0aa2c76faaae00d7239c7a73fe80fe94af13461473","source":{"kind":"arxiv","id":"2305.13295","version":2},"attestation_state":"computed","paper":{"title":"Optimal Design of Dallenbach Absorbers Under Broadband Broad-Angle Illumination","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Amir Shlivinski, Chen Firestein, Yakir Hadad","submitted_at":"2023-05-22T17:52:36Z","abstract_excerpt":"The classical scenario where a \\emph{single plane-wave} field impinge a Dallenbach absorber is well studied both theoretically and experimentally. However, occasionally a \\emph{spectrum of plane-waves} impinges the absorber. Such a scenario occurs for example if an antenna is located adjacent to the absorbing layer. In this paper, for this scenario we obtain the absorbing performance bound and design an \\emph{optimized layered absorber} that approaches the bound. In a numerical demonstration, we explore a realistic case where a dipole antenna is placed in the vicinity of a finite, electrically"},"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":"2305.13295","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2023-05-22T17:52:36Z","cross_cats_sorted":[],"title_canon_sha256":"72ac43a67d3c39f924564dd62661d298bceb0c9e2fe24dbf4a6efac3e7989c8e","abstract_canon_sha256":"87f54113752e7e04d649cb8ce1dd3584901a9f41f7aa18d92d4125d7399c4c75"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:07:43.522899Z","signature_b64":"qCmoYm8yY6ZqqqTYOpT6dk2FFfut+MSoZ96vUn2d79kvkZfRrz1UyVzFoBJW+30T4s/hWEKRQFS/fvryO/vrCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a013b66bf8f8777ee214a0aa2c76faaae00d7239c7a73fe80fe94af13461473","last_reissued_at":"2026-07-05T09:07:43.522417Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:07:43.522417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optimal Design of Dallenbach Absorbers Under Broadband Broad-Angle Illumination","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Amir Shlivinski, Chen Firestein, Yakir Hadad","submitted_at":"2023-05-22T17:52:36Z","abstract_excerpt":"The classical scenario where a \\emph{single plane-wave} field impinge a Dallenbach absorber is well studied both theoretically and experimentally. However, occasionally a \\emph{spectrum of plane-waves} impinges the absorber. Such a scenario occurs for example if an antenna is located adjacent to the absorbing layer. In this paper, for this scenario we obtain the absorbing performance bound and design an \\emph{optimized layered absorber} that approaches the bound. In a numerical demonstration, we explore a realistic case where a dipole antenna is placed in the vicinity of a finite, electrically"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.13295","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2305.13295/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2305.13295","created_at":"2026-07-05T09:07:43.522475+00:00"},{"alias_kind":"arxiv_version","alias_value":"2305.13295v2","created_at":"2026-07-05T09:07:43.522475+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.13295","created_at":"2026-07-05T09:07:43.522475+00:00"},{"alias_kind":"pith_short_12","alias_value":"PIATWZV7R6DX","created_at":"2026-07-05T09:07:43.522475+00:00"},{"alias_kind":"pith_short_16","alias_value":"PIATWZV7R6DXP3RB","created_at":"2026-07-05T09:07:43.522475+00:00"},{"alias_kind":"pith_short_8","alias_value":"PIATWZV7","created_at":"2026-07-05T09:07:43.522475+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/PIATWZV7R6DXP3RBJIFKFR3PVK","json":"https://pith.science/pith/PIATWZV7R6DXP3RBJIFKFR3PVK.json","graph_json":"https://pith.science/api/pith-number/PIATWZV7R6DXP3RBJIFKFR3PVK/graph.json","events_json":"https://pith.science/api/pith-number/PIATWZV7R6DXP3RBJIFKFR3PVK/events.json","paper":"https://pith.science/paper/PIATWZV7"},"agent_actions":{"view_html":"https://pith.science/pith/PIATWZV7R6DXP3RBJIFKFR3PVK","download_json":"https://pith.science/pith/PIATWZV7R6DXP3RBJIFKFR3PVK.json","view_paper":"https://pith.science/paper/PIATWZV7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2305.13295&json=true","fetch_graph":"https://pith.science/api/pith-number/PIATWZV7R6DXP3RBJIFKFR3PVK/graph.json","fetch_events":"https://pith.science/api/pith-number/PIATWZV7R6DXP3RBJIFKFR3PVK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PIATWZV7R6DXP3RBJIFKFR3PVK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PIATWZV7R6DXP3RBJIFKFR3PVK/action/storage_attestation","attest_author":"https://pith.science/pith/PIATWZV7R6DXP3RBJIFKFR3PVK/action/author_attestation","sign_citation":"https://pith.science/pith/PIATWZV7R6DXP3RBJIFKFR3PVK/action/citation_signature","submit_replication":"https://pith.science/pith/PIATWZV7R6DXP3RBJIFKFR3PVK/action/replication_record"}},"created_at":"2026-07-05T09:07:43.522475+00:00","updated_at":"2026-07-05T09:07:43.522475+00:00"}