{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:GWSOTMNVRKLMFOOLJQQLRXUS43","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":"331898e9ac3c44c22345b99c2b4b52a35900583b6c41deb2ffcd200fadb75b73","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2013-09-26T00:32:50Z","title_canon_sha256":"56211f3354fa737d87ba7a5b7c04383d41bb550be09b35d23f63e1cf7d43e9b9"},"schema_version":"1.0","source":{"id":"1309.6697","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.6697","created_at":"2026-05-18T01:09:43Z"},{"alias_kind":"arxiv_version","alias_value":"1309.6697v3","created_at":"2026-05-18T01:09:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.6697","created_at":"2026-05-18T01:09:43Z"},{"alias_kind":"pith_short_12","alias_value":"GWSOTMNVRKLM","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GWSOTMNVRKLMFOOL","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GWSOTMNV","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:426168e9d10c552ea930278d196094012f33427efd18e2df685dc1a1c7cd2f60","target":"graph","created_at":"2026-05-18T01:09:43Z","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":"Variable selection is considered in the setting of supervised binary classification with functional data $\\{X(t),\\ t\\in[0,1]\\}$. By \"variable selection\" we mean any dimension-reduction method which leads to replace the whole trajectory\n  $\\{X(t),\\ t\\in[0,1]\\}$, with a low-dimensional vector $(X(t_1),\\ldots,X(t_k))$ still keeping a similar classification error. Our proposal for variable selection is based on the idea of selecting the local maxima $(t_1,\\ldots,t_k)$ of the function ${\\mathcal V}_X^2(t)={\\mathcal V}^2(X(t),Y)$, where ${\\mathcal V}$ denotes the \"distance covariance\" association me","authors_text":"Antonio Cuevas, Jos\\'e L. Torrecilla, Jos\\'e R. Berrendero","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2013-09-26T00:32:50Z","title":"Variable selection in functional data classification: a maxima-hunting proposal"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.6697","kind":"arxiv","version":3},"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":"sha256:7c5172ce2adc43522691b3c579193909159f4cd8c03d74d39b398494fd52c493","target":"record","created_at":"2026-05-18T01:09:43Z","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":"331898e9ac3c44c22345b99c2b4b52a35900583b6c41deb2ffcd200fadb75b73","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2013-09-26T00:32:50Z","title_canon_sha256":"56211f3354fa737d87ba7a5b7c04383d41bb550be09b35d23f63e1cf7d43e9b9"},"schema_version":"1.0","source":{"id":"1309.6697","kind":"arxiv","version":3}},"canonical_sha256":"35a4e9b1b58a96c2b9cb4c20b8de92e6fc004ceddbdeba6eb07b106468b8963b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"35a4e9b1b58a96c2b9cb4c20b8de92e6fc004ceddbdeba6eb07b106468b8963b","first_computed_at":"2026-05-18T01:09:43.957362Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:43.957362Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YBvM62c/B99hm4R8MOGWz3YrBFCvun1V31OMeyPnMxAQvIWKZGTW4wyGrnY2fLVmtwuDbKiVw7dc1H1S7pOYDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:43.958089Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.6697","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c5172ce2adc43522691b3c579193909159f4cd8c03d74d39b398494fd52c493","sha256:426168e9d10c552ea930278d196094012f33427efd18e2df685dc1a1c7cd2f60"],"state_sha256":"fbc67a0ebd49cf7aeef31c8635094052fac6bdb32cdb6610e7339c1f856c7819"}