{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:7JOUDTOMRFKH7NEZOE4YVT7WOM","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":"ace6b68f509122635cf851846085f58d91d61d18c7cc892a08c13811fb7d7e3b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-08-10T10:08:05Z","title_canon_sha256":"5119769cce20d445a9d3892637c1978090ea5f24fa9367cc5940393f98ba3028"},"schema_version":"1.0","source":{"id":"2408.05505","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.05505","created_at":"2026-07-05T08:54:21Z"},{"alias_kind":"arxiv_version","alias_value":"2408.05505v1","created_at":"2026-07-05T08:54:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.05505","created_at":"2026-07-05T08:54:21Z"},{"alias_kind":"pith_short_12","alias_value":"7JOUDTOMRFKH","created_at":"2026-07-05T08:54:21Z"},{"alias_kind":"pith_short_16","alias_value":"7JOUDTOMRFKH7NEZ","created_at":"2026-07-05T08:54:21Z"},{"alias_kind":"pith_short_8","alias_value":"7JOUDTOM","created_at":"2026-07-05T08:54:21Z"}],"graph_snapshots":[{"event_id":"sha256:e2e85e65640dc4877209057d1f8542e3c9f7ccecc39fbe8b3a38a24d6e66971e","target":"graph","created_at":"2026-07-05T08:54:21Z","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/2408.05505/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose reflection pattern modulation-aided reconfigurable intelligent surface (RPM-RIS)-assisted cell-free massive multiple-input-multiple-output (CF-mMIMO) schemes for green uplink transmission. In our RPM-RIS-assisted CF-mMIMO system, extra information is conveyed by the indices of the active RIS blocks, exploiting the joint benefits of both RIS-assisted CF-mMIMO transmission and RPM. Since only part of the RIS blocks are active, our proposed architecture strikes a flexible energy \\emph{vs.} spectral efficiency (SE) trade-off. We commence with introducing the system model by considering ","authors_text":"Hien Quoc Ngo, Lajos Hanzo, Michail Matthaiou, Trinh Van Chien, Zeping Sui","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-08-10T10:08:05Z","title":"RIS-Assisted Cell-Free Massive MIMO Relying on Reflection Pattern Modulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.05505","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":"sha256:06ddbbe445fbe48ea85d59d4df5298d17c16b5006e28a49f329bdba4905ebb47","target":"record","created_at":"2026-07-05T08:54:21Z","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":"ace6b68f509122635cf851846085f58d91d61d18c7cc892a08c13811fb7d7e3b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2024-08-10T10:08:05Z","title_canon_sha256":"5119769cce20d445a9d3892637c1978090ea5f24fa9367cc5940393f98ba3028"},"schema_version":"1.0","source":{"id":"2408.05505","kind":"arxiv","version":1}},"canonical_sha256":"fa5d41cdcc89547fb49971398acff673345b01519c1f640f21f35a9179255ec7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fa5d41cdcc89547fb49971398acff673345b01519c1f640f21f35a9179255ec7","first_computed_at":"2026-07-05T08:54:21.197472Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:54:21.197472Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Kven2ajqYAPkHY+2rp4k0Orb1erePJjrt8PB2ktmI+S4ivLg03zDJg7qbabRfxbq5vaD82vkHYkNhPQI6YZ/Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:54:21.197884Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.05505","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:06ddbbe445fbe48ea85d59d4df5298d17c16b5006e28a49f329bdba4905ebb47","sha256:e2e85e65640dc4877209057d1f8542e3c9f7ccecc39fbe8b3a38a24d6e66971e"],"state_sha256":"0aabeaaa739e48e441ca977f7e1682ebb9e1bd95881991fabe89538d2ca76fac"}