{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:KWW2KK5BYIJYOPURPJMVFCFM23","short_pith_number":"pith:KWW2KK5B","schema_version":"1.0","canonical_sha256":"55ada52ba1c213873e917a595288acd6c6265f0ddc266b6c2f951c3723d0062f","source":{"kind":"arxiv","id":"2406.02975","version":1},"attestation_state":"computed","paper":{"title":"A Shared-Aperture Dual-Band sub-6 GHz and mmWave Reconfigurable Intelligent Surface With Independent Operation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Chi Yuk Chiu, Jichen Zhang, Junhui Rao, Ross Murch, Shiwen Tang, Yujie Zhang, Zan Li, Zhaoyang Ming","submitted_at":"2024-06-05T06:16:04Z","abstract_excerpt":"A novel dual-band reconfigurable intelligent surface (DBI-RIS) design that combines the functionalities of millimeter-wave (mmWave) and sub-6 GHz bands within a single aperture is proposed. This design aims to bridge the gap between current single-band reconfigurable intelligent surfaces (RISs) and wireless systems utilizing sub-6 GHz and mmWave bands that require RIS with independently reconfigurable dual-band operation. The mmWave element is realized by a double-layer patch antenna loaded with 1-bit phase shifters, providing two reconfigurable states. An 8x8 mmWave element array is selective"},"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":"2406.02975","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-06-05T06:16:04Z","cross_cats_sorted":[],"title_canon_sha256":"4c0ec1177ea8f959f349d12f5c97562fe84977fc2424174f50af53e9527fa296","abstract_canon_sha256":"1d6a9278a407a6d4ae1568522037d7ac4e4f61ee04ee4c68612197e36bb7fc78"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:27:33.613635Z","signature_b64":"k5eYCsOMc9Cxp8EV8U+o57Yalcbb63F2FN3uSWRiaVpJDgD6ysAd6UqoP7XXKa8rvVzat31H86J7dmdNHz3bDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"55ada52ba1c213873e917a595288acd6c6265f0ddc266b6c2f951c3723d0062f","last_reissued_at":"2026-07-05T08:27:33.613130Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:27:33.613130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Shared-Aperture Dual-Band sub-6 GHz and mmWave Reconfigurable Intelligent Surface With Independent Operation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Chi Yuk Chiu, Jichen Zhang, Junhui Rao, Ross Murch, Shiwen Tang, Yujie Zhang, Zan Li, Zhaoyang Ming","submitted_at":"2024-06-05T06:16:04Z","abstract_excerpt":"A novel dual-band reconfigurable intelligent surface (DBI-RIS) design that combines the functionalities of millimeter-wave (mmWave) and sub-6 GHz bands within a single aperture is proposed. This design aims to bridge the gap between current single-band reconfigurable intelligent surfaces (RISs) and wireless systems utilizing sub-6 GHz and mmWave bands that require RIS with independently reconfigurable dual-band operation. The mmWave element is realized by a double-layer patch antenna loaded with 1-bit phase shifters, providing two reconfigurable states. An 8x8 mmWave element array is selective"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.02975","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2406.02975/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":"2406.02975","created_at":"2026-07-05T08:27:33.613193+00:00"},{"alias_kind":"arxiv_version","alias_value":"2406.02975v1","created_at":"2026-07-05T08:27:33.613193+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.02975","created_at":"2026-07-05T08:27:33.613193+00:00"},{"alias_kind":"pith_short_12","alias_value":"KWW2KK5BYIJY","created_at":"2026-07-05T08:27:33.613193+00:00"},{"alias_kind":"pith_short_16","alias_value":"KWW2KK5BYIJYOPUR","created_at":"2026-07-05T08:27:33.613193+00:00"},{"alias_kind":"pith_short_8","alias_value":"KWW2KK5B","created_at":"2026-07-05T08:27:33.613193+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/KWW2KK5BYIJYOPURPJMVFCFM23","json":"https://pith.science/pith/KWW2KK5BYIJYOPURPJMVFCFM23.json","graph_json":"https://pith.science/api/pith-number/KWW2KK5BYIJYOPURPJMVFCFM23/graph.json","events_json":"https://pith.science/api/pith-number/KWW2KK5BYIJYOPURPJMVFCFM23/events.json","paper":"https://pith.science/paper/KWW2KK5B"},"agent_actions":{"view_html":"https://pith.science/pith/KWW2KK5BYIJYOPURPJMVFCFM23","download_json":"https://pith.science/pith/KWW2KK5BYIJYOPURPJMVFCFM23.json","view_paper":"https://pith.science/paper/KWW2KK5B","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2406.02975&json=true","fetch_graph":"https://pith.science/api/pith-number/KWW2KK5BYIJYOPURPJMVFCFM23/graph.json","fetch_events":"https://pith.science/api/pith-number/KWW2KK5BYIJYOPURPJMVFCFM23/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KWW2KK5BYIJYOPURPJMVFCFM23/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KWW2KK5BYIJYOPURPJMVFCFM23/action/storage_attestation","attest_author":"https://pith.science/pith/KWW2KK5BYIJYOPURPJMVFCFM23/action/author_attestation","sign_citation":"https://pith.science/pith/KWW2KK5BYIJYOPURPJMVFCFM23/action/citation_signature","submit_replication":"https://pith.science/pith/KWW2KK5BYIJYOPURPJMVFCFM23/action/replication_record"}},"created_at":"2026-07-05T08:27:33.613193+00:00","updated_at":"2026-07-05T08:27:33.613193+00:00"}