{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:36UKMD3DEBTZMKIIS5VC74SCCK","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":"8dc32b4c7ccd47d7f7b9f6bcdbf02fc3e33ec3e11e1ea62540f73087b97729d0","cross_cats_sorted":["stat.ME"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2010-04-29T14:24:13Z","title_canon_sha256":"63b4409ad6ccceef52942401df264841c487f4f9ec60213419de7a5ff53e1790"},"schema_version":"1.0","source":{"id":"1004.5300","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.5300","created_at":"2026-05-18T04:32:55Z"},{"alias_kind":"arxiv_version","alias_value":"1004.5300v2","created_at":"2026-05-18T04:32:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.5300","created_at":"2026-05-18T04:32:55Z"},{"alias_kind":"pith_short_12","alias_value":"36UKMD3DEBTZ","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"36UKMD3DEBTZMKII","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"36UKMD3D","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:afa271edb198acf3beceabbfa073f09abdde94b34ee355a47ff440a96a48be7e","target":"graph","created_at":"2026-05-18T04:32:55Z","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":"We propose a new approach for clustering DNA features using array CGH data from multiple tumor samples. We distinguish data-collapsing: joining contiguous DNA clones or probes with extremely similar data into regions, from clustering: joining contiguous, correlated regions based on a maximum likelihood principle. The model-based clustering algorithm accounts for the apparent spatial patterns in the data. We evaluate the randomness of the clustering result by a cluster stability score in combination with cross-validation. Moreover, we argue that the clustering really captures spatial genomic de","authors_text":"Etienne Roquain (PMA), Kyung In Kim, Mark Van De Wiel","cross_cats":["stat.ME"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2010-04-29T14:24:13Z","title":"Spatial clustering of array CGH features in combination with hierarchical multiple testing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.5300","kind":"arxiv","version":2},"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":"sha256:5f590fa8596c68dc4ab3d1ac492b42b8552d9c1a6695946d1f941f68edccc3ee","target":"record","created_at":"2026-05-18T04:32:55Z","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":"8dc32b4c7ccd47d7f7b9f6bcdbf02fc3e33ec3e11e1ea62540f73087b97729d0","cross_cats_sorted":["stat.ME"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2010-04-29T14:24:13Z","title_canon_sha256":"63b4409ad6ccceef52942401df264841c487f4f9ec60213419de7a5ff53e1790"},"schema_version":"1.0","source":{"id":"1004.5300","kind":"arxiv","version":2}},"canonical_sha256":"dfa8a60f632067962908976a2ff242128f6ddbb6e349c4acb4886b3343c8a4ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dfa8a60f632067962908976a2ff242128f6ddbb6e349c4acb4886b3343c8a4ee","first_computed_at":"2026-05-18T04:32:55.838555Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:32:55.838555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"td7LtGdN3UgM8iYFV5aqh+SHWorCq6oK08NLzaxMd48IvE9ZMZc+1GB2RvUUvD+WBtB/4hQL5PMPR+GCeW43Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:32:55.839149Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.5300","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5f590fa8596c68dc4ab3d1ac492b42b8552d9c1a6695946d1f941f68edccc3ee","sha256:afa271edb198acf3beceabbfa073f09abdde94b34ee355a47ff440a96a48be7e"],"state_sha256":"5d5a715ec9c8d70038f8f6f6442ec4ee5eaf44d33b591990c786d8fc15d73a74"}