{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:LCLZDOERDELJTC5GSGN7BPQMVZ","short_pith_number":"pith:LCLZDOER","schema_version":"1.0","canonical_sha256":"589791b8911916998ba6919bf0be0cae5c2e70e23dfe8f8e3c02446ee08d1f72","source":{"kind":"arxiv","id":"2601.17464","version":2},"attestation_state":"computed","paper":{"title":"Robust Output Regulation of Uncertain Linear Time-Varying Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Jinmeng Zha, Zhen Zhang","submitted_at":"2026-01-24T13:34:37Z","abstract_excerpt":"Robust output regulation for linear time-varying systems has remained an open problem for decades. To address this, we propose the trajectory-matching system immersion framework, by reformulating the regulator equation into a more insightful form. This perspective demonstrates that finding an internal model is equivalent to reproducing the steady-state output trajectories of a given forced system by constructing an unforced one. This reveals the fundamental influence of parametric uncertainties, yielding the precise algebraic boundary for robust regulation, termed finite linear parameterizatio"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2601.17464","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2026-01-24T13:34:37Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"8a41dae91d1d5e2fd8de4e613aa69c5febc2a1ab7be2feb24454acc584be1d8a","abstract_canon_sha256":"1ac5308003032808320fe3341666adb5709f3301c363eb46a0ebb8e5bc4ce16b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-27T01:05:43.012019Z","signature_b64":"AqDTlIb0JxDvJCeoTdVxOXgtsdmHZcZbIyB7YfKwSUS3UCOM0txTddCwTsVucnZDLPt8sG4vqLpnwClqrRCNCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"589791b8911916998ba6919bf0be0cae5c2e70e23dfe8f8e3c02446ee08d1f72","last_reissued_at":"2026-05-27T01:05:43.011280Z","signature_status":"signed_v1","first_computed_at":"2026-05-27T01:05:43.011280Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Robust Output Regulation of Uncertain Linear Time-Varying Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Jinmeng Zha, Zhen Zhang","submitted_at":"2026-01-24T13:34:37Z","abstract_excerpt":"Robust output regulation for linear time-varying systems has remained an open problem for decades. To address this, we propose the trajectory-matching system immersion framework, by reformulating the regulator equation into a more insightful form. This perspective demonstrates that finding an internal model is equivalent to reproducing the steady-state output trajectories of a given forced system by constructing an unforced one. This reveals the fundamental influence of parametric uncertainties, yielding the precise algebraic boundary for robust regulation, termed finite linear parameterizatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.17464","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2601.17464/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2601.17464","created_at":"2026-05-27T01:05:43.011392+00:00"},{"alias_kind":"arxiv_version","alias_value":"2601.17464v2","created_at":"2026-05-27T01:05:43.011392+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.17464","created_at":"2026-05-27T01:05:43.011392+00:00"},{"alias_kind":"pith_short_12","alias_value":"LCLZDOERDELJ","created_at":"2026-05-27T01:05:43.011392+00:00"},{"alias_kind":"pith_short_16","alias_value":"LCLZDOERDELJTC5G","created_at":"2026-05-27T01:05:43.011392+00:00"},{"alias_kind":"pith_short_8","alias_value":"LCLZDOER","created_at":"2026-05-27T01:05:43.011392+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LCLZDOERDELJTC5GSGN7BPQMVZ","json":"https://pith.science/pith/LCLZDOERDELJTC5GSGN7BPQMVZ.json","graph_json":"https://pith.science/api/pith-number/LCLZDOERDELJTC5GSGN7BPQMVZ/graph.json","events_json":"https://pith.science/api/pith-number/LCLZDOERDELJTC5GSGN7BPQMVZ/events.json","paper":"https://pith.science/paper/LCLZDOER"},"agent_actions":{"view_html":"https://pith.science/pith/LCLZDOERDELJTC5GSGN7BPQMVZ","download_json":"https://pith.science/pith/LCLZDOERDELJTC5GSGN7BPQMVZ.json","view_paper":"https://pith.science/paper/LCLZDOER","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2601.17464&json=true","fetch_graph":"https://pith.science/api/pith-number/LCLZDOERDELJTC5GSGN7BPQMVZ/graph.json","fetch_events":"https://pith.science/api/pith-number/LCLZDOERDELJTC5GSGN7BPQMVZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LCLZDOERDELJTC5GSGN7BPQMVZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LCLZDOERDELJTC5GSGN7BPQMVZ/action/storage_attestation","attest_author":"https://pith.science/pith/LCLZDOERDELJTC5GSGN7BPQMVZ/action/author_attestation","sign_citation":"https://pith.science/pith/LCLZDOERDELJTC5GSGN7BPQMVZ/action/citation_signature","submit_replication":"https://pith.science/pith/LCLZDOERDELJTC5GSGN7BPQMVZ/action/replication_record"}},"created_at":"2026-05-27T01:05:43.011392+00:00","updated_at":"2026-05-27T01:05:43.011392+00:00"}