{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:TCMQ64S2SDYKOBW6TLSG5IPWDZ","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":"1934b5d9e2f3877313db7fb0eea3c7ad35793f8c583eeccdf6fe52e23fb12387","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2025-01-20T18:24:54Z","title_canon_sha256":"05175081a9951604c2626097c58987badfcd683aaa8f2bb2bb0a70ca38764215"},"schema_version":"1.0","source":{"id":"2501.11646","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.11646","created_at":"2026-07-05T10:13:07Z"},{"alias_kind":"arxiv_version","alias_value":"2501.11646v1","created_at":"2026-07-05T10:13:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.11646","created_at":"2026-07-05T10:13:07Z"},{"alias_kind":"pith_short_12","alias_value":"TCMQ64S2SDYK","created_at":"2026-07-05T10:13:07Z"},{"alias_kind":"pith_short_16","alias_value":"TCMQ64S2SDYKOBW6","created_at":"2026-07-05T10:13:07Z"},{"alias_kind":"pith_short_8","alias_value":"TCMQ64S2","created_at":"2026-07-05T10:13:07Z"}],"graph_snapshots":[{"event_id":"sha256:8b0c3de92103ab93d6e2427a802792c5951c94327e6966c5fb9c6695d863a76e","target":"graph","created_at":"2026-07-05T10:13:07Z","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/2501.11646/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"There is a dearth of publications on the subject of spreading-aided Orthogonal Time Frequency Space (OTFS) solutions, especially for Integrated Sensing and Communication (ISAC), even though Code Division Multiple Access (CDMA) assisted multi-user OTFS (CDMA/OTFS) exhibits tangible benefits. Hence, this work characterises both the communication Bit Error Rate (BER) and sensing Root Mean Square Error (RMSE) performance of CDMA/OTFS, and contrasts them to pure OTFS. Three CDMA/OTFS configurations are considered: Delay Code Division Multiple Access OTFS (Dl-CDMA/OTFS), Doppler Code Division Multip","authors_text":"Chao Xu, Hugo Hawkins, Lajos Hanzo, Lie-Liang Yang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2025-01-20T18:24:54Z","title":"CDMA/OTFS Sensing Outperforms Pure OTFS at the Same Communication Throughput"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.11646","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:efabadcbc78f196a3af8c6035f7eb431b9b04a95d34e3d32bb6e6c84a70be685","target":"record","created_at":"2026-07-05T10:13:07Z","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":"1934b5d9e2f3877313db7fb0eea3c7ad35793f8c583eeccdf6fe52e23fb12387","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2025-01-20T18:24:54Z","title_canon_sha256":"05175081a9951604c2626097c58987badfcd683aaa8f2bb2bb0a70ca38764215"},"schema_version":"1.0","source":{"id":"2501.11646","kind":"arxiv","version":1}},"canonical_sha256":"98990f725a90f0a706de9ae46ea1f61e54d96e1e238471dec64f5ae530b9f8ca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"98990f725a90f0a706de9ae46ea1f61e54d96e1e238471dec64f5ae530b9f8ca","first_computed_at":"2026-07-05T10:13:07.480095Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:13:07.480095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wbqzYLHoVG0RxUTaHvJ87o+Mu5tEvs1heT03f+MQ2bNxC60Straedfd2nNjJF+6wYJf4UF9ltcQ7ytpvX/AQBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:13:07.480515Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.11646","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:efabadcbc78f196a3af8c6035f7eb431b9b04a95d34e3d32bb6e6c84a70be685","sha256:8b0c3de92103ab93d6e2427a802792c5951c94327e6966c5fb9c6695d863a76e"],"state_sha256":"7094841b137994a00b39c714090df01fd80bda54758c1293819281711c32459b"}