{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:NJDXILXCDE6XDBFJN5THVVHQDD","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":"fb46cdb7253d943e70e1799082ba585ca6f255bc36415d864ef7a9dd5202893c","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2026-06-02T08:24:18Z","title_canon_sha256":"a656cfb9bed0b5b35e04938b8ed56cf00a575adb4cad5e0c7be21cefb89570a5"},"schema_version":"1.0","source":{"id":"2606.03311","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.03311","created_at":"2026-06-03T01:05:54Z"},{"alias_kind":"arxiv_version","alias_value":"2606.03311v1","created_at":"2026-06-03T01:05:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.03311","created_at":"2026-06-03T01:05:54Z"},{"alias_kind":"pith_short_12","alias_value":"NJDXILXCDE6X","created_at":"2026-06-03T01:05:54Z"},{"alias_kind":"pith_short_16","alias_value":"NJDXILXCDE6XDBFJ","created_at":"2026-06-03T01:05:54Z"},{"alias_kind":"pith_short_8","alias_value":"NJDXILXC","created_at":"2026-06-03T01:05:54Z"}],"graph_snapshots":[{"event_id":"sha256:b5e3f9bd2a950a22e5d4f2e7162e1fe9aed31e8082786fa36c83f79ac12eaf95","target":"graph","created_at":"2026-06-03T01:05:54Z","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/2606.03311/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A novel detection method based on maximum-likelihood (ML) detection leveraging Mahalanobis distance is proposed for single-radio-frequency (RF) multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems. It can enhance bit error rate (BER) performance and is based on the observation that when using reconfigurable antennas (such as electronically steerable parasitic array radiators (ESPARs) to create a single-RF MIMO system, an additional model error arising from the reconfigurable antennas is introduced. These modeling errors produce an irreducible BER (err","authors_text":"Jun Qian, Ross Murch, Tianrui Qiao","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2026-06-02T08:24:18Z","title":"A Novel Detection Method for Single-RF MIMO-OFDM Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.03311","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:c527af9f8d97066b4627c2f64e29c0d934168a02ac84b00324a337017f6ecd6c","target":"record","created_at":"2026-06-03T01:05:54Z","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":"fb46cdb7253d943e70e1799082ba585ca6f255bc36415d864ef7a9dd5202893c","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2026-06-02T08:24:18Z","title_canon_sha256":"a656cfb9bed0b5b35e04938b8ed56cf00a575adb4cad5e0c7be21cefb89570a5"},"schema_version":"1.0","source":{"id":"2606.03311","kind":"arxiv","version":1}},"canonical_sha256":"6a47742ee2193d7184a96f667ad4f018dceabcdac49eb4216464412ed12b78f9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a47742ee2193d7184a96f667ad4f018dceabcdac49eb4216464412ed12b78f9","first_computed_at":"2026-06-03T01:05:54.684984Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-03T01:05:54.684984Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QSCChYAiUYbrlQnfSrFwYRajH9KKhysHJNzErSNZGJEQYW9BlRLbl6ljT9NGTw7JzTpEKfJjWynQe+w4NcaODg==","signature_status":"signed_v1","signed_at":"2026-06-03T01:05:54.685371Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.03311","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c527af9f8d97066b4627c2f64e29c0d934168a02ac84b00324a337017f6ecd6c","sha256:b5e3f9bd2a950a22e5d4f2e7162e1fe9aed31e8082786fa36c83f79ac12eaf95"],"state_sha256":"e44ee44cf91db57c05f125aa44810f68325c606b55efcb328eb1f28cc9216318"}