{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:YIKC2YYFKBDRJDLDMJW46TGNAA","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":"21732ea10fd178e46cdf525e2b43ceca668ac66bc57645b5333753c9d95859fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-04-15T01:15:48Z","title_canon_sha256":"5aa8d032c03a1009be206b7459c09e31bdc7b71972a48336e0cf592ff6215f46"},"schema_version":"1.0","source":{"id":"1304.3963","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.3963","created_at":"2026-05-18T02:53:15Z"},{"alias_kind":"arxiv_version","alias_value":"1304.3963v2","created_at":"2026-05-18T02:53:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.3963","created_at":"2026-05-18T02:53:15Z"},{"alias_kind":"pith_short_12","alias_value":"YIKC2YYFKBDR","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"YIKC2YYFKBDRJDLD","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"YIKC2YYF","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:03ba37b99c605d99e5edb9f5d5244c2c4f4c7460f7d15227b6b17c3e96af70d0","target":"graph","created_at":"2026-05-18T02:53:15Z","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":"With the severe spectrum shortage in conventional cellular bands, millimeter wave (mmW) frequencies between 30 and 300 GHz have been attracting growing attention as a possible candidate for next-generation micro- and picocellular wireless networks. The mmW bands offer orders of magnitude greater spectrum than current cellular allocations and enable very high-dimensional antenna arrays for further gains via spatial multiplexing. However, the propagation of mmW signals in outdoor non line-of-sight (NLOS) links remains challenging and the feasibility of wide-area mmW cellular networks is far from","authors_text":"Elza Erkip, Mustafa Riza Akdeniz, Sundeep Rangan, Yuanpeng Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-04-15T01:15:48Z","title":"Millimeter Wave Picocellular System Evaluation for Urban Deployments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.3963","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":"sha256:1bfd2447857bbaf309763b71e2293860aa539b78c99f11479c0fd378873e3b39","target":"record","created_at":"2026-05-18T02:53:15Z","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":"21732ea10fd178e46cdf525e2b43ceca668ac66bc57645b5333753c9d95859fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-04-15T01:15:48Z","title_canon_sha256":"5aa8d032c03a1009be206b7459c09e31bdc7b71972a48336e0cf592ff6215f46"},"schema_version":"1.0","source":{"id":"1304.3963","kind":"arxiv","version":2}},"canonical_sha256":"c2142d63055047148d63626dcf4ccd00057e7f91a7b5a2c395ab961e908da136","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2142d63055047148d63626dcf4ccd00057e7f91a7b5a2c395ab961e908da136","first_computed_at":"2026-05-18T02:53:15.281600Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:53:15.281600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"inoTSeXPttMS9hiMzYSqtU2E8/MSMyinb/H+uXPn7qlIqBu5zwE2TTmJpoNKjNxstFOFyQCqHX2qvvucHk6OCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:53:15.282337Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.3963","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1bfd2447857bbaf309763b71e2293860aa539b78c99f11479c0fd378873e3b39","sha256:03ba37b99c605d99e5edb9f5d5244c2c4f4c7460f7d15227b6b17c3e96af70d0"],"state_sha256":"2e62b8acbc47d94a7a8ced4ea58aff7fa4b2dd5eae72154a40b30a130ac12d79"}