{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:K4MNXRKNVB25NZR26PPRQVSKJL","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":"ede57bc421c2e57e53876b1a069be4349442ca0d5714fe622ded13ab9a2f9b41","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-10-05T15:19:16Z","title_canon_sha256":"edc33d609fb35aee0eb85d302262eceda8ad396e3620099b4f833f5c97d5a85e"},"schema_version":"1.0","source":{"id":"1810.02744","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.02744","created_at":"2026-05-18T00:04:00Z"},{"alias_kind":"arxiv_version","alias_value":"1810.02744v1","created_at":"2026-05-18T00:04:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.02744","created_at":"2026-05-18T00:04:00Z"},{"alias_kind":"pith_short_12","alias_value":"K4MNXRKNVB25","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"K4MNXRKNVB25NZR2","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"K4MNXRKN","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:1f288384b596fb4893059f4f92b46e22fcaa273ccc46744a9b7331b1c33e8011","target":"graph","created_at":"2026-05-18T00:04:00Z","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":"This work proposes a fully distributed improved weighted average consensus (IWAC and WAC-AE) technique applied to cooperative spectrum sensing problem in cognitive radio systems. This method allows the secondary users cooperate based on only local information exchange without a fusion centre (FC). We have compared four rules of average consensus (AC) algorithms. The first rule is the simple AC without weights. The AC rule presents {performance comparable to the traditional cooperative spectrum sensing} (CSS) techniques, such as the equal gain combining (EGC) rule, which is a soft combining cen","authors_text":"Aislan Gabriel Hernandes, Mario Proenca Lemes Junior, Taufik Abrao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-10-05T15:19:16Z","title":"Improved Weighted Average Consensus in Distributed Cooperative Spectrum Sensing Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.02744","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":"sha256:34f021c9310f374b08ef7e4db9fae87b0694aa1e6fd025cdfb4408cd6ca60ea4","target":"record","created_at":"2026-05-18T00:04:00Z","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":"ede57bc421c2e57e53876b1a069be4349442ca0d5714fe622ded13ab9a2f9b41","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-10-05T15:19:16Z","title_canon_sha256":"edc33d609fb35aee0eb85d302262eceda8ad396e3620099b4f833f5c97d5a85e"},"schema_version":"1.0","source":{"id":"1810.02744","kind":"arxiv","version":1}},"canonical_sha256":"5718dbc54da875d6e63af3df18564a4afdb0ee293579813b6db43b2a3a6d5411","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5718dbc54da875d6e63af3df18564a4afdb0ee293579813b6db43b2a3a6d5411","first_computed_at":"2026-05-18T00:04:00.759299Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:00.759299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Hx7JuAXqN7aKGgsg0UdkMNl4/qcmDuCHVQGaIAIRXknBlTYx7JUHAR/b/2843mAJkbNbP+WkritR5zL4QTJyDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:00.760023Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.02744","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:34f021c9310f374b08ef7e4db9fae87b0694aa1e6fd025cdfb4408cd6ca60ea4","sha256:1f288384b596fb4893059f4f92b46e22fcaa273ccc46744a9b7331b1c33e8011"],"state_sha256":"85dbf070ffe05bcab236d0ddb8ff2de274ab8deaf686ea3c806982a181076de1"}