{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3CAJO4USOOPWDLXNGTPWQCVMDE","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":"4f64aef94a6f80dc4496f7b137da0fc8e30f9d1070f4e7726c8e28e4514a7715","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2017-03-16T00:43:23Z","title_canon_sha256":"b65ef1fcca722289fbfaa853e1dcbf70499902b38bad3b454a064ad5fc59ed47"},"schema_version":"1.0","source":{"id":"1703.05438","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.05438","created_at":"2026-05-18T00:48:34Z"},{"alias_kind":"arxiv_version","alias_value":"1703.05438v1","created_at":"2026-05-18T00:48:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.05438","created_at":"2026-05-18T00:48:34Z"},{"alias_kind":"pith_short_12","alias_value":"3CAJO4USOOPW","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3CAJO4USOOPWDLXN","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3CAJO4US","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:e0c82bc591d8249c95368be52ab4015067d03752db5bd26d54e162f85a4db0f1","target":"graph","created_at":"2026-05-18T00:48:34Z","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":"Fueled by applications in sensor networks, these years have witnessed a surge of interest in distributed estimation and filtering. A new approach is hereby proposed for the Distributed Kalman Filter (DKF) by integrating a local covariance computation scheme. Compared to existing well-established DKF methods, the virtue of the present approach lies in accelerating the convergence of the state estimates to those of the Centralized Kalman Filter (CKF). Meanwhile, an algorithm is proposed that allows each node to compute the averaged measurement noise covariance matrix within a minimal discrete-ti","authors_text":"Hai-Tao Zhang, Jorge Goncalves, Jun Liu, Ling Shi, Ye Yuan, Zhiyong Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2017-03-16T00:43:23Z","title":"Distributed Kalman filtering with minimum-time consensus algorithm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.05438","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":"sha256:1c40646f47876b2e840260a06c3f05d3a005b38f086b312e66e9af90ebbb6494","target":"record","created_at":"2026-05-18T00:48:34Z","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":"4f64aef94a6f80dc4496f7b137da0fc8e30f9d1070f4e7726c8e28e4514a7715","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2017-03-16T00:43:23Z","title_canon_sha256":"b65ef1fcca722289fbfaa853e1dcbf70499902b38bad3b454a064ad5fc59ed47"},"schema_version":"1.0","source":{"id":"1703.05438","kind":"arxiv","version":1}},"canonical_sha256":"d880977292739f61aeed34df680aac1932a7e78b4da09f05e623cf8bb9d0ca52","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d880977292739f61aeed34df680aac1932a7e78b4da09f05e623cf8bb9d0ca52","first_computed_at":"2026-05-18T00:48:34.271882Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:34.271882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fDvJhEs3v/nClECImdcnxu9CEd6OIr9QetgKE4hCpNicf25hSjrDad3k4+78AMhMEOj3Vx5dkk4GTmxsC985BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:34.272344Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.05438","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c40646f47876b2e840260a06c3f05d3a005b38f086b312e66e9af90ebbb6494","sha256:e0c82bc591d8249c95368be52ab4015067d03752db5bd26d54e162f85a4db0f1"],"state_sha256":"4aceb11dc9aa996631b94afd152e0c0a31dbdf0013eadf21648715a7c86ab080"}