{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:36MM6F75RUSEYVKLN4D7C2JMSB","short_pith_number":"pith:36MM6F75","schema_version":"1.0","canonical_sha256":"df98cf17fd8d244c554b6f07f1692c906d558cae93be0d75fae234960434db3d","source":{"kind":"arxiv","id":"1708.03532","version":1},"attestation_state":"computed","paper":{"title":"An easy and efficient approach for testing identifiability of parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.data-an"],"primary_cat":"stat.ME","authors_text":"Clemens Kreutz","submitted_at":"2017-08-11T13:13:08Z","abstract_excerpt":"The feasibility of uniquely estimating parameters of dynamical systems from observations is a widely discussed aspect of mathematical modelling. Several approaches have been published for analyzing identifiability. However, they are typically computationally demanding, difficult to perform and/or not applicable in many application settings.\n  Here, an intuitive approach is presented which enables quickly testing of parameter identifiability. Numerical optimization with a penalty in radial direction enforcing displacement of the parameters is used to check whether estimated parameters are uniqu"},"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":"1708.03532","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2017-08-11T13:13:08Z","cross_cats_sorted":["physics.data-an"],"title_canon_sha256":"5947cca6b5cb9334ccf91a2aadc2061574f308c1c9491da80e43e3ba77e4920a","abstract_canon_sha256":"219f8bfa968ebdd80faa979d4bb01b37a95bd5923fc93a17e6f3c11717da3414"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:12.407257Z","signature_b64":"OSmh2yuOP6uQcdIth71zQnO4tVS/QeW5L73PHhZCN82OqvhZBLInw8wJ+A9Qw2Q1QW0uMaXLBSHlnmCNo0B3Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"df98cf17fd8d244c554b6f07f1692c906d558cae93be0d75fae234960434db3d","last_reissued_at":"2026-05-18T00:38:12.406561Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:12.406561Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An easy and efficient approach for testing identifiability of parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.data-an"],"primary_cat":"stat.ME","authors_text":"Clemens Kreutz","submitted_at":"2017-08-11T13:13:08Z","abstract_excerpt":"The feasibility of uniquely estimating parameters of dynamical systems from observations is a widely discussed aspect of mathematical modelling. Several approaches have been published for analyzing identifiability. However, they are typically computationally demanding, difficult to perform and/or not applicable in many application settings.\n  Here, an intuitive approach is presented which enables quickly testing of parameter identifiability. Numerical optimization with a penalty in radial direction enforcing displacement of the parameters is used to check whether estimated parameters are uniqu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.03532","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":"1708.03532","created_at":"2026-05-18T00:38:12.406667+00:00"},{"alias_kind":"arxiv_version","alias_value":"1708.03532v1","created_at":"2026-05-18T00:38:12.406667+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.03532","created_at":"2026-05-18T00:38:12.406667+00:00"},{"alias_kind":"pith_short_12","alias_value":"36MM6F75RUSE","created_at":"2026-05-18T12:30:58.224056+00:00"},{"alias_kind":"pith_short_16","alias_value":"36MM6F75RUSEYVKL","created_at":"2026-05-18T12:30:58.224056+00:00"},{"alias_kind":"pith_short_8","alias_value":"36MM6F75","created_at":"2026-05-18T12:30:58.224056+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/36MM6F75RUSEYVKLN4D7C2JMSB","json":"https://pith.science/pith/36MM6F75RUSEYVKLN4D7C2JMSB.json","graph_json":"https://pith.science/api/pith-number/36MM6F75RUSEYVKLN4D7C2JMSB/graph.json","events_json":"https://pith.science/api/pith-number/36MM6F75RUSEYVKLN4D7C2JMSB/events.json","paper":"https://pith.science/paper/36MM6F75"},"agent_actions":{"view_html":"https://pith.science/pith/36MM6F75RUSEYVKLN4D7C2JMSB","download_json":"https://pith.science/pith/36MM6F75RUSEYVKLN4D7C2JMSB.json","view_paper":"https://pith.science/paper/36MM6F75","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1708.03532&json=true","fetch_graph":"https://pith.science/api/pith-number/36MM6F75RUSEYVKLN4D7C2JMSB/graph.json","fetch_events":"https://pith.science/api/pith-number/36MM6F75RUSEYVKLN4D7C2JMSB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/36MM6F75RUSEYVKLN4D7C2JMSB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/36MM6F75RUSEYVKLN4D7C2JMSB/action/storage_attestation","attest_author":"https://pith.science/pith/36MM6F75RUSEYVKLN4D7C2JMSB/action/author_attestation","sign_citation":"https://pith.science/pith/36MM6F75RUSEYVKLN4D7C2JMSB/action/citation_signature","submit_replication":"https://pith.science/pith/36MM6F75RUSEYVKLN4D7C2JMSB/action/replication_record"}},"created_at":"2026-05-18T00:38:12.406667+00:00","updated_at":"2026-05-18T00:38:12.406667+00:00"}