{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:E5KUC6SWGYPJK7PTXJDDEOHKEO","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":"2b0eb824db4965778d41bd63301b906481425880c2c22d08f82873ceabf1cb53","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2020-01-09T20:06:24Z","title_canon_sha256":"69ba4cbbe48415a4f89dc30651555592b0c81d00d3a9801c5ad7e1dd16e7249b"},"schema_version":"1.0","source":{"id":"2001.03206","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.03206","created_at":"2026-07-05T02:10:05Z"},{"alias_kind":"arxiv_version","alias_value":"2001.03206v2","created_at":"2026-07-05T02:10:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.03206","created_at":"2026-07-05T02:10:05Z"},{"alias_kind":"pith_short_12","alias_value":"E5KUC6SWGYPJ","created_at":"2026-07-05T02:10:05Z"},{"alias_kind":"pith_short_16","alias_value":"E5KUC6SWGYPJK7PT","created_at":"2026-07-05T02:10:05Z"},{"alias_kind":"pith_short_8","alias_value":"E5KUC6SW","created_at":"2026-07-05T02:10:05Z"}],"graph_snapshots":[{"event_id":"sha256:e0ff026d413fa1c9cec9998610d11acdd9ed75bf66ed9ed170cd133c03457349","target":"graph","created_at":"2026-07-05T02:10:05Z","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/2001.03206/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Rate-splitting (RS) has recently been recognized as a promising physical-layer technique for multi-antenna broadcast channels (BC). Due to its ability to partially decode the interference and partially treat the remaining interference as noise, RS is an enabler for a powerful multiple access, namely rate-splitting multiple access (RSMA), that has been shown to achieve higher spectral efficiency (SE) and energy efficiency (EE) than both space division multiple access (SDMA) and non-orthogonal multiple access (NOMA) in a wide range of user deployments and network loads. As SE maximization and EE","authors_text":"Bruno Clerckx, Gui 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":"2020-01-09T20:06:24Z","title":"Rate-Splitting Multiple Access for Multi-antenna Downlink Communication Systems: Spectral and Energy Efficiency Tradeoff"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.03206","kind":"arxiv","version":2},"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":"sha256:8072d4897bf2c036d8c680544deb4831b3bdb18524bde9a52a5c3a670fbf3937","target":"record","created_at":"2026-07-05T02:10:05Z","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":"2b0eb824db4965778d41bd63301b906481425880c2c22d08f82873ceabf1cb53","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2020-01-09T20:06:24Z","title_canon_sha256":"69ba4cbbe48415a4f89dc30651555592b0c81d00d3a9801c5ad7e1dd16e7249b"},"schema_version":"1.0","source":{"id":"2001.03206","kind":"arxiv","version":2}},"canonical_sha256":"2755417a56361e957df3ba463238ea2380bd5e7f33b79e347f56f142693697ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2755417a56361e957df3ba463238ea2380bd5e7f33b79e347f56f142693697ef","first_computed_at":"2026-07-05T02:10:05.783305Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:10:05.783305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O7XG6vOuCDFU4RiKxdMX5P7TJlBJ+c9EmL9//A1QZl0YHkeOUI9b4SPZKJmWpmWofMiFSwXx6pBACWXsV66rAw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:10:05.783689Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.03206","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8072d4897bf2c036d8c680544deb4831b3bdb18524bde9a52a5c3a670fbf3937","sha256:e0ff026d413fa1c9cec9998610d11acdd9ed75bf66ed9ed170cd133c03457349"],"state_sha256":"0c8a9f60b483508b0912e54610d21c84465f9cdfac42f3a3d6d1172317751a9e"}