{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:KWBWGVXGRUYMHTCZS4V5XDB6MU","short_pith_number":"pith:KWBWGVXG","schema_version":"1.0","canonical_sha256":"55836356e68d30c3cc59972bdb8c3e65077aeceaba0d57a3d66c111adcca6383","source":{"kind":"arxiv","id":"1803.08449","version":1},"attestation_state":"computed","paper":{"title":"An asymptotically optimal indirect approach to continuous-time system identification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SY","authors_text":"Cristian R. Rojas, James S. Welsh, Rodrigo A. Gonz\\'alez","submitted_at":"2018-03-22T16:46:38Z","abstract_excerpt":"The indirect approach to continuous-time system identification consists in estimating continuous-time models by first determining an appropriate discrete-time model. For a zero-order hold sampling mechanism, this approach usually leads to a transfer function estimate with relative degree 1, independent of the relative degree of the strictly proper real system. In this paper, a refinement of these methods is developed. Inspired by indirect PEM, we propose a method that enforces a fixed relative degree in the continuous-time transfer function estimate, and show that the resulting estimator is co"},"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":"1803.08449","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-03-22T16:46:38Z","cross_cats_sorted":[],"title_canon_sha256":"32123ecf0fbcf0d0d50f19e2887b65efa5a84363e83704deaf9a775c5bb83c1c","abstract_canon_sha256":"48a3714ceb512e96cbb8d99c2fb4a0acd5086ddf0e262ad269f2867c6601f5cb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:22.829127Z","signature_b64":"WghWblqXZUgshC19WLAfOCRvR6+Qf/IUad5GY+h2VDR+KJTBIwlkSQnoUq9/SaJyT4gYZ6s+9TUAibD3/QZ9BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"55836356e68d30c3cc59972bdb8c3e65077aeceaba0d57a3d66c111adcca6383","last_reissued_at":"2026-05-18T00:20:22.828651Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:22.828651Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An asymptotically optimal indirect approach to continuous-time system identification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SY","authors_text":"Cristian R. Rojas, James S. Welsh, Rodrigo A. Gonz\\'alez","submitted_at":"2018-03-22T16:46:38Z","abstract_excerpt":"The indirect approach to continuous-time system identification consists in estimating continuous-time models by first determining an appropriate discrete-time model. For a zero-order hold sampling mechanism, this approach usually leads to a transfer function estimate with relative degree 1, independent of the relative degree of the strictly proper real system. In this paper, a refinement of these methods is developed. Inspired by indirect PEM, we propose a method that enforces a fixed relative degree in the continuous-time transfer function estimate, and show that the resulting estimator is co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.08449","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"1803.08449","created_at":"2026-05-18T00:20:22.828722+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.08449v1","created_at":"2026-05-18T00:20:22.828722+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.08449","created_at":"2026-05-18T00:20:22.828722+00:00"},{"alias_kind":"pith_short_12","alias_value":"KWBWGVXGRUYM","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_16","alias_value":"KWBWGVXGRUYMHTCZ","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_8","alias_value":"KWBWGVXG","created_at":"2026-05-18T12:32:33.847187+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/KWBWGVXGRUYMHTCZS4V5XDB6MU","json":"https://pith.science/pith/KWBWGVXGRUYMHTCZS4V5XDB6MU.json","graph_json":"https://pith.science/api/pith-number/KWBWGVXGRUYMHTCZS4V5XDB6MU/graph.json","events_json":"https://pith.science/api/pith-number/KWBWGVXGRUYMHTCZS4V5XDB6MU/events.json","paper":"https://pith.science/paper/KWBWGVXG"},"agent_actions":{"view_html":"https://pith.science/pith/KWBWGVXGRUYMHTCZS4V5XDB6MU","download_json":"https://pith.science/pith/KWBWGVXGRUYMHTCZS4V5XDB6MU.json","view_paper":"https://pith.science/paper/KWBWGVXG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.08449&json=true","fetch_graph":"https://pith.science/api/pith-number/KWBWGVXGRUYMHTCZS4V5XDB6MU/graph.json","fetch_events":"https://pith.science/api/pith-number/KWBWGVXGRUYMHTCZS4V5XDB6MU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KWBWGVXGRUYMHTCZS4V5XDB6MU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KWBWGVXGRUYMHTCZS4V5XDB6MU/action/storage_attestation","attest_author":"https://pith.science/pith/KWBWGVXGRUYMHTCZS4V5XDB6MU/action/author_attestation","sign_citation":"https://pith.science/pith/KWBWGVXGRUYMHTCZS4V5XDB6MU/action/citation_signature","submit_replication":"https://pith.science/pith/KWBWGVXGRUYMHTCZS4V5XDB6MU/action/replication_record"}},"created_at":"2026-05-18T00:20:22.828722+00:00","updated_at":"2026-05-18T00:20:22.828722+00:00"}