{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PQLSQR5IG4HQIPUXQW4CXQJQJA","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":"15ea63cd16dab9c6ee0f025a102c33b3a70aa5e6f3792b501578c487e0f783a5","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-03-15T09:42:17Z","title_canon_sha256":"0d0ac9f0a8aff11170f3bd3396adbab47468e11de7e0a3bc4aa5898c959da00c"},"schema_version":"1.0","source":{"id":"1803.05661","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.05661","created_at":"2026-05-18T00:20:54Z"},{"alias_kind":"arxiv_version","alias_value":"1803.05661v1","created_at":"2026-05-18T00:20:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.05661","created_at":"2026-05-18T00:20:54Z"},{"alias_kind":"pith_short_12","alias_value":"PQLSQR5IG4HQ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PQLSQR5IG4HQIPUX","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PQLSQR5I","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:58355107b4099a0e3fc35c8508467e3a9d91b883926f3b7a00bf8c99440243bc","target":"graph","created_at":"2026-05-18T00:20:54Z","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"},"paper":{"abstract_excerpt":"The mm-wave spectrum will be of significant importance to 5G mobile systems. There are multiple challenges in designing transceiver architectures and air interfaces in this spectrum. This paper is an attempt to explain some of these challenges and their interactions as means of enabling robust system design in near future.","authors_text":"Ali A. Zaidi, Domenico Giustiniano, Jaakko Vihriala, Jian Luo, Mario Castaneda, Mythri Hunukumbure, Per Zetterberg, Raffaele DErrico","cross_cats":["eess.SP","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-03-15T09:42:17Z","title":"Mm-wave specific challenges in designing 5G transceiver architectures and air-interfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.05661","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":"sha256:2756eea558e6c80b1727c5b58d658ac3d9a79034ddb695c89a66c8a0ce863dff","target":"record","created_at":"2026-05-18T00:20:54Z","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":"15ea63cd16dab9c6ee0f025a102c33b3a70aa5e6f3792b501578c487e0f783a5","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-03-15T09:42:17Z","title_canon_sha256":"0d0ac9f0a8aff11170f3bd3396adbab47468e11de7e0a3bc4aa5898c959da00c"},"schema_version":"1.0","source":{"id":"1803.05661","kind":"arxiv","version":1}},"canonical_sha256":"7c172847a8370f043e9785b82bc13048277831b5f7d5a3d052bed2645239743e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7c172847a8370f043e9785b82bc13048277831b5f7d5a3d052bed2645239743e","first_computed_at":"2026-05-18T00:20:54.956436Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:54.956436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MhZ6o9cLoQv0AjxC1JjPEHe9cBXES6KTanvXg9PR4gRCNum8nchoFneHIawzmlZd+3jbyiTjo7RppPPfMJNkAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:54.956962Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.05661","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2756eea558e6c80b1727c5b58d658ac3d9a79034ddb695c89a66c8a0ce863dff","sha256:58355107b4099a0e3fc35c8508467e3a9d91b883926f3b7a00bf8c99440243bc"],"state_sha256":"b4017bd04e2212270c3873f2b62ab6a45ca58cd9d06002ec7a376c652413517e"}