{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:WEVLV6AR7REVVZ2STLQ7NPIJKH","short_pith_number":"pith:WEVLV6AR","schema_version":"1.0","canonical_sha256":"b12abaf811fc495ae7529ae1f6bd0951e696d680c68281f3df0cea4b45ddab4d","source":{"kind":"arxiv","id":"0809.1823","version":1},"attestation_state":"computed","paper":{"title":"Conceal an entrance by means of superscatterer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.class-ph"],"primary_cat":"physics.optics","authors_text":"Hongru Ma, Tao Yang, Xudong Luo, Yongwei Gu","submitted_at":"2008-09-10T15:39:07Z","abstract_excerpt":"By using the novel property of the rectangular superscatterer, we propose a design which can conceal an entrance from electromagnetic wave detection. Such a superscatterer is realized by coating a negative index material shell on a perfect electrical conductor rectangle cylinder. The results are numerically confirmed by full-wave simulations both in the far-field and near-field."},"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":"0809.1823","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2008-09-10T15:39:07Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.class-ph"],"title_canon_sha256":"4493782a44e0c7a8f03ae55d343e8d896a0c5e6cbae05c7f26af9d45e8cb8908","abstract_canon_sha256":"ce57435ee245d49c05aa9263590f51e6720037de8f2c4d72035d6b87fa58ea04"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:34.968382Z","signature_b64":"XBRkaew+TNWzwUEk5vJ6/U4+oFgcuwmrx+1RXwLwI+IAyOat7RNbMuVSAKMoBNqPyiki1DXHq8z6so2SogIeDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b12abaf811fc495ae7529ae1f6bd0951e696d680c68281f3df0cea4b45ddab4d","last_reissued_at":"2026-05-18T02:15:34.967754Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:34.967754Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Conceal an entrance by means of superscatterer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.class-ph"],"primary_cat":"physics.optics","authors_text":"Hongru Ma, Tao Yang, Xudong Luo, Yongwei Gu","submitted_at":"2008-09-10T15:39:07Z","abstract_excerpt":"By using the novel property of the rectangular superscatterer, we propose a design which can conceal an entrance from electromagnetic wave detection. Such a superscatterer is realized by coating a negative index material shell on a perfect electrical conductor rectangle cylinder. The results are numerically confirmed by full-wave simulations both in the far-field and near-field."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.1823","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":"0809.1823","created_at":"2026-05-18T02:15:34.967857+00:00"},{"alias_kind":"arxiv_version","alias_value":"0809.1823v1","created_at":"2026-05-18T02:15:34.967857+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.1823","created_at":"2026-05-18T02:15:34.967857+00:00"},{"alias_kind":"pith_short_12","alias_value":"WEVLV6AR7REV","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_16","alias_value":"WEVLV6AR7REVVZ2S","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_8","alias_value":"WEVLV6AR","created_at":"2026-05-18T12:25:58.018023+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/WEVLV6AR7REVVZ2STLQ7NPIJKH","json":"https://pith.science/pith/WEVLV6AR7REVVZ2STLQ7NPIJKH.json","graph_json":"https://pith.science/api/pith-number/WEVLV6AR7REVVZ2STLQ7NPIJKH/graph.json","events_json":"https://pith.science/api/pith-number/WEVLV6AR7REVVZ2STLQ7NPIJKH/events.json","paper":"https://pith.science/paper/WEVLV6AR"},"agent_actions":{"view_html":"https://pith.science/pith/WEVLV6AR7REVVZ2STLQ7NPIJKH","download_json":"https://pith.science/pith/WEVLV6AR7REVVZ2STLQ7NPIJKH.json","view_paper":"https://pith.science/paper/WEVLV6AR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0809.1823&json=true","fetch_graph":"https://pith.science/api/pith-number/WEVLV6AR7REVVZ2STLQ7NPIJKH/graph.json","fetch_events":"https://pith.science/api/pith-number/WEVLV6AR7REVVZ2STLQ7NPIJKH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WEVLV6AR7REVVZ2STLQ7NPIJKH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WEVLV6AR7REVVZ2STLQ7NPIJKH/action/storage_attestation","attest_author":"https://pith.science/pith/WEVLV6AR7REVVZ2STLQ7NPIJKH/action/author_attestation","sign_citation":"https://pith.science/pith/WEVLV6AR7REVVZ2STLQ7NPIJKH/action/citation_signature","submit_replication":"https://pith.science/pith/WEVLV6AR7REVVZ2STLQ7NPIJKH/action/replication_record"}},"created_at":"2026-05-18T02:15:34.967857+00:00","updated_at":"2026-05-18T02:15:34.967857+00:00"}