{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:HW2YWSXTHRR26QFTNEPMKXOU4Q","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":"1a4ea33725d9f32ef8901527063472365783667c852ad8090a6193edac899723","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-08-01T21:07:39Z","title_canon_sha256":"057528ce9fdc35be5b4b5775435f278b46fd9427ab2eadf7339c8d78aa5c9fb4"},"schema_version":"1.0","source":{"id":"1908.00631","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.00631","created_at":"2026-07-04T23:51:07Z"},{"alias_kind":"arxiv_version","alias_value":"1908.00631v1","created_at":"2026-07-04T23:51:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.00631","created_at":"2026-07-04T23:51:07Z"},{"alias_kind":"pith_short_12","alias_value":"HW2YWSXTHRR2","created_at":"2026-07-04T23:51:07Z"},{"alias_kind":"pith_short_16","alias_value":"HW2YWSXTHRR26QFT","created_at":"2026-07-04T23:51:07Z"},{"alias_kind":"pith_short_8","alias_value":"HW2YWSXT","created_at":"2026-07-04T23:51:07Z"}],"graph_snapshots":[{"event_id":"sha256:78c26c02634f49061a321e3ce715f439d3484c554aae7bc83bc706e6f3680f7e","target":"graph","created_at":"2026-07-04T23:51:07Z","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/1908.00631/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Next-generation communication systems with wide bandwidths need to operate in interference-limited networks. A discrete-time delay (TD) technique in a baseband receiver array is proposed for canceling wide modulated bandwidth spatial interference and reducing the ADC dynamic range requirements. The proposed discrete TD technique first aligns the interference using non-uniform sampled phases followed by uniform cancellation using a Truncated Hadamard Transform implemented with antipodal binary coefficients. A digital timeinterleaver with 5 ps resolution spanning 15 ns implements a scalable disc","authors_text":"Ajith Ramani, Arya Rahimi, Erfan Ghaderi, Subhanshu Gupta, Sudip Shekhar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-08-01T21:07:39Z","title":"A 4-Element MIMO Baseband Receiver with >35dB 80MHz Spatial Interference Cancellation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.00631","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":"sha256:41bca36c95c850938a1e372c2ca1acfd0a1d1b7e566cb078b1fe01173b89540d","target":"record","created_at":"2026-07-04T23:51:07Z","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":"1a4ea33725d9f32ef8901527063472365783667c852ad8090a6193edac899723","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-08-01T21:07:39Z","title_canon_sha256":"057528ce9fdc35be5b4b5775435f278b46fd9427ab2eadf7339c8d78aa5c9fb4"},"schema_version":"1.0","source":{"id":"1908.00631","kind":"arxiv","version":1}},"canonical_sha256":"3db58b4af33c63af40b3691ec55dd4e410954438ae9f15332fc3868a850c1c54","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3db58b4af33c63af40b3691ec55dd4e410954438ae9f15332fc3868a850c1c54","first_computed_at":"2026-07-04T23:51:07.638618Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:51:07.638618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vUocg6YMpRQb7iMNvYCiz8I275vkY/Yjo1wLnQhq8HDWdffF4PAbc1VmZC6c/3f98hHsXod/4ZKsjxpiJUxHDw==","signature_status":"signed_v1","signed_at":"2026-07-04T23:51:07.639123Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.00631","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:41bca36c95c850938a1e372c2ca1acfd0a1d1b7e566cb078b1fe01173b89540d","sha256:78c26c02634f49061a321e3ce715f439d3484c554aae7bc83bc706e6f3680f7e"],"state_sha256":"341dddd2cb59ae336056db81a297c2fd4f4c88ccc5b19898fee78d1c47b143c3"}