{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:VGIMG2LEGOUJY65WEGZOUQXPZY","short_pith_number":"pith:VGIMG2LE","schema_version":"1.0","canonical_sha256":"a990c3696433a89c7bb621b2ea42efce10ddc1ef9bc659eaa69f183a54f7d364","source":{"kind":"arxiv","id":"1609.00365","version":1},"attestation_state":"computed","paper":{"title":"State Estimation for Piecewise Affine State-Space Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SY","authors_text":"Alexandre Bazanella, Fredrik Gustafsson, Henri Nurminen, Rafael Rui, Tohid Ardeshiri","submitted_at":"2016-09-01T19:51:01Z","abstract_excerpt":"We propose a filter for piecewise affine state-space (PWASS) models. In each filtering recursion, the true filtering posterior distribution is a mixture of truncated normal distributions. The proposed filter approximates the mixture with a single normal distribution via moment matching. The proposed algorithm is compared with the extended Kalman filter (EKF) in a numerical simulation where the proposed method obtains, on average, better root mean square error (RMSE) than the EKF."},"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":"1609.00365","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2016-09-01T19:51:01Z","cross_cats_sorted":[],"title_canon_sha256":"e679ba3bce8b76ca3616348ee86ab706ab26cf779d73ea554e2a3306846f98b9","abstract_canon_sha256":"1014ae7e036c792b15d81c5a969a7b569e90a6e08fbc7970c6fbb28cca4aec92"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:49:15.846367Z","signature_b64":"r2lM3p42+lI1YyAbaYMxfD8efN8a296DB3AuLbrOYCvsBBizOsnoscefYhbn6RP0PzJXrSh2DbTlPCHhCPlIAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a990c3696433a89c7bb621b2ea42efce10ddc1ef9bc659eaa69f183a54f7d364","last_reissued_at":"2026-05-18T00:49:15.845907Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:49:15.845907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"State Estimation for Piecewise Affine State-Space Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SY","authors_text":"Alexandre Bazanella, Fredrik Gustafsson, Henri Nurminen, Rafael Rui, Tohid Ardeshiri","submitted_at":"2016-09-01T19:51:01Z","abstract_excerpt":"We propose a filter for piecewise affine state-space (PWASS) models. In each filtering recursion, the true filtering posterior distribution is a mixture of truncated normal distributions. The proposed filter approximates the mixture with a single normal distribution via moment matching. The proposed algorithm is compared with the extended Kalman filter (EKF) in a numerical simulation where the proposed method obtains, on average, better root mean square error (RMSE) than the EKF."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.00365","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":"1609.00365","created_at":"2026-05-18T00:49:15.845975+00:00"},{"alias_kind":"arxiv_version","alias_value":"1609.00365v1","created_at":"2026-05-18T00:49:15.845975+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.00365","created_at":"2026-05-18T00:49:15.845975+00:00"},{"alias_kind":"pith_short_12","alias_value":"VGIMG2LEGOUJ","created_at":"2026-05-18T12:30:48.956258+00:00"},{"alias_kind":"pith_short_16","alias_value":"VGIMG2LEGOUJY65W","created_at":"2026-05-18T12:30:48.956258+00:00"},{"alias_kind":"pith_short_8","alias_value":"VGIMG2LE","created_at":"2026-05-18T12:30:48.956258+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/VGIMG2LEGOUJY65WEGZOUQXPZY","json":"https://pith.science/pith/VGIMG2LEGOUJY65WEGZOUQXPZY.json","graph_json":"https://pith.science/api/pith-number/VGIMG2LEGOUJY65WEGZOUQXPZY/graph.json","events_json":"https://pith.science/api/pith-number/VGIMG2LEGOUJY65WEGZOUQXPZY/events.json","paper":"https://pith.science/paper/VGIMG2LE"},"agent_actions":{"view_html":"https://pith.science/pith/VGIMG2LEGOUJY65WEGZOUQXPZY","download_json":"https://pith.science/pith/VGIMG2LEGOUJY65WEGZOUQXPZY.json","view_paper":"https://pith.science/paper/VGIMG2LE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1609.00365&json=true","fetch_graph":"https://pith.science/api/pith-number/VGIMG2LEGOUJY65WEGZOUQXPZY/graph.json","fetch_events":"https://pith.science/api/pith-number/VGIMG2LEGOUJY65WEGZOUQXPZY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VGIMG2LEGOUJY65WEGZOUQXPZY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VGIMG2LEGOUJY65WEGZOUQXPZY/action/storage_attestation","attest_author":"https://pith.science/pith/VGIMG2LEGOUJY65WEGZOUQXPZY/action/author_attestation","sign_citation":"https://pith.science/pith/VGIMG2LEGOUJY65WEGZOUQXPZY/action/citation_signature","submit_replication":"https://pith.science/pith/VGIMG2LEGOUJY65WEGZOUQXPZY/action/replication_record"}},"created_at":"2026-05-18T00:49:15.845975+00:00","updated_at":"2026-05-18T00:49:15.845975+00:00"}