{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:RE73CQUPCI22LPIIT6AKLXPDXE","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":"8021055b0ba9a9979fa58ddfdc3aeee0a81df6678a8ec02d727861f1c06d9700","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2018-04-02T16:19:37Z","title_canon_sha256":"d30149228c1c704b196c31383137d27df4d202399dd44624f68cc5f0ab311e8d"},"schema_version":"1.0","source":{"id":"1804.01010","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01010","created_at":"2026-05-18T00:19:31Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01010v1","created_at":"2026-05-18T00:19:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01010","created_at":"2026-05-18T00:19:31Z"},{"alias_kind":"pith_short_12","alias_value":"RE73CQUPCI22","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"RE73CQUPCI22LPII","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"RE73CQUP","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:9e275bd18221396c552340114ebb154f327efbf813ffad66cedb30ffa8816e9a","target":"graph","created_at":"2026-05-18T00:19:31Z","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":"In this paper we provide a set of stability conditions for linear time-varying networked control systems with arbitrary topologies using a piecewise quadratic switching stabilization approach with multiple quadratic Lyapunov functions. We use this set of stability conditions to provide a novel iterative low-complexity algorithm that must be updated and optimized in discrete time for the design of a sparse observer-controller network, for a given plant network with an arbitrary topology. We employ distributed observers by utilizing the output of other subsystems to improve the stability of each","authors_text":"Alireza Seyedi, Azadeh Vosoughi, Mohammad Razeghi-Jahromi, Saeed Manaffam","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2018-04-02T16:19:37Z","title":"Switching Control of Linear Time-Varying Networked Control Systems with Sparse Observer-Controller Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01010","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:fecd0b468b25f0d2540e6b126476762092b4b78eda7cd0269f66215b034b98cd","target":"record","created_at":"2026-05-18T00:19:31Z","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":"8021055b0ba9a9979fa58ddfdc3aeee0a81df6678a8ec02d727861f1c06d9700","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2018-04-02T16:19:37Z","title_canon_sha256":"d30149228c1c704b196c31383137d27df4d202399dd44624f68cc5f0ab311e8d"},"schema_version":"1.0","source":{"id":"1804.01010","kind":"arxiv","version":1}},"canonical_sha256":"893fb1428f1235a5bd089f80a5dde3b914e69511ecd235a8652f88d04f9b5010","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"893fb1428f1235a5bd089f80a5dde3b914e69511ecd235a8652f88d04f9b5010","first_computed_at":"2026-05-18T00:19:31.544096Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:31.544096Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ur74ftdKpey8rivOmIn/nstUSpOXAY+LDtKNNfB9uhSBr+bshamP9U0jAdIjQDFPYM3TGoL2W7XDAKrXlXyAAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:31.544520Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.01010","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fecd0b468b25f0d2540e6b126476762092b4b78eda7cd0269f66215b034b98cd","sha256:9e275bd18221396c552340114ebb154f327efbf813ffad66cedb30ffa8816e9a"],"state_sha256":"9d487ddf52ad210d0542111204a6c07c3b12b847dd2e5ecee1079089ded8db44"}