{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:CGJTLLKMQIIU7A6SZJPNM5WBCJ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"5bd60d24b1830b44f5f6a90638c31282e90d4d3f0c30d1b9f55d893254b8d06c","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-11-27T16:23:03Z","title_canon_sha256":"fb5611ade77e30ab4db1ddbb61ed50131a1068539c3304f76479ee48645df1b8"},"schema_version":"1.0","source":{"id":"2411.18480","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.18480","created_at":"2026-07-05T09:41:16Z"},{"alias_kind":"arxiv_version","alias_value":"2411.18480v1","created_at":"2026-07-05T09:41:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.18480","created_at":"2026-07-05T09:41:16Z"},{"alias_kind":"pith_short_12","alias_value":"CGJTLLKMQIIU","created_at":"2026-07-05T09:41:16Z"},{"alias_kind":"pith_short_16","alias_value":"CGJTLLKMQIIU7A6S","created_at":"2026-07-05T09:41:16Z"},{"alias_kind":"pith_short_8","alias_value":"CGJTLLKM","created_at":"2026-07-05T09:41:16Z"}],"graph_snapshots":[{"event_id":"sha256:0bbad88277443b356a16fad73cc47593c3d0bd6d21e3562392c42f36bf4295b9","target":"graph","created_at":"2026-07-05T09:41:16Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2411.18480/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Beyond-diagonal reconfigurable intelligent surface (BD-RIS) has garnered significant research interest recently due to its ability to generalize existing reconfigurable intelligent surface (RIS) architectures and provide enhanced performance through flexible inter-connection among RIS elements. However, current BD-RIS designs often face challenges related to high circuit complexity and computational complexity, and there is limited study on the trade-off between system performance and circuit complexity. To address these issues, in this work, we propose a novel BD-RIS architecture named Q-stem","authors_text":"Tianyu Fang, Xiaohua Zhou, Yijie Mao","cross_cats":["eess.SP","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-11-27T16:23:03Z","title":"A Novel Q-stem Connected Architecture for Beyond-Diagonal Reconfigurable Intelligent Surfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.18480","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:65b3341f137c0ec2371171edc9374dd835d172606ba5334dec8a58d96f9e79bc","target":"record","created_at":"2026-07-05T09:41:16Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"5bd60d24b1830b44f5f6a90638c31282e90d4d3f0c30d1b9f55d893254b8d06c","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-11-27T16:23:03Z","title_canon_sha256":"fb5611ade77e30ab4db1ddbb61ed50131a1068539c3304f76479ee48645df1b8"},"schema_version":"1.0","source":{"id":"2411.18480","kind":"arxiv","version":1}},"canonical_sha256":"119335ad4c82114f83d2ca5ed676c1125b6c3f1134bd6de467228b59963a6cf0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"119335ad4c82114f83d2ca5ed676c1125b6c3f1134bd6de467228b59963a6cf0","first_computed_at":"2026-07-05T09:41:16.992590Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:41:16.992590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mm49IEry71BuZlbQb62J5lubyGfzck4nfxaXRKnY+FCwrua6VcFqgKSXrimYqncN+Llf9nkiwdwaEJXNQBlAAA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:41:16.993009Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.18480","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:65b3341f137c0ec2371171edc9374dd835d172606ba5334dec8a58d96f9e79bc","sha256:0bbad88277443b356a16fad73cc47593c3d0bd6d21e3562392c42f36bf4295b9"],"state_sha256":"d10aca98479a12c6f9bdf6aa3161fe593145d00a1c107293ec9ad9cfae9c46f8"}