{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:CSTYWRPSIG6O4VRJ75EJ44Z3F3","short_pith_number":"pith:CSTYWRPS","canonical_record":{"source":{"id":"1906.03001","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2019-06-07T10:40:45Z","cross_cats_sorted":["cs.LG","stat.ME"],"title_canon_sha256":"3d08b83593f568146a50a21a7cfa9472826c4486e46965ee30a1281d9428fc51","abstract_canon_sha256":"e82d0a6f4bd3bfba44953a1587ce8ac1f427248337b8b0382e9ff7f5ba6abffd"},"schema_version":"1.0"},"canonical_sha256":"14a78b45f241bcee5629ff489e733b2ee7a2b3ec0c50ed7000218c569c4cfa36","source":{"kind":"arxiv","id":"1906.03001","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.03001","created_at":"2026-05-17T23:43:55Z"},{"alias_kind":"arxiv_version","alias_value":"1906.03001v1","created_at":"2026-05-17T23:43:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.03001","created_at":"2026-05-17T23:43:55Z"},{"alias_kind":"pith_short_12","alias_value":"CSTYWRPSIG6O","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"CSTYWRPSIG6O4VRJ","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"CSTYWRPS","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:CSTYWRPSIG6O4VRJ75EJ44Z3F3","target":"record","payload":{"canonical_record":{"source":{"id":"1906.03001","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2019-06-07T10:40:45Z","cross_cats_sorted":["cs.LG","stat.ME"],"title_canon_sha256":"3d08b83593f568146a50a21a7cfa9472826c4486e46965ee30a1281d9428fc51","abstract_canon_sha256":"e82d0a6f4bd3bfba44953a1587ce8ac1f427248337b8b0382e9ff7f5ba6abffd"},"schema_version":"1.0"},"canonical_sha256":"14a78b45f241bcee5629ff489e733b2ee7a2b3ec0c50ed7000218c569c4cfa36","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:55.413365Z","signature_b64":"MCubpWsu/KJVFWfmrmymNWtDUdN/5xSBtjj0a7Fia6agulUKBD4mtJkzkRawCh8gpmPeIJahPyAwu6LtiDNYBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"14a78b45f241bcee5629ff489e733b2ee7a2b3ec0c50ed7000218c569c4cfa36","last_reissued_at":"2026-05-17T23:43:55.412718Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:55.412718Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.03001","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:43:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C8qbULt3FCUHLF+I6iQYGNOv7XGPq2YBinR+zoVMgqu72WmJhqenD5rv/B7S9v/F/yedA5P4ylD4Qd+/6iudCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T15:51:48.404171Z"},"content_sha256":"71f3e2e626cc2e3c323cbcf84abc1c045f88b199be0fee8a32da87cd08ec34cd","schema_version":"1.0","event_id":"sha256:71f3e2e626cc2e3c323cbcf84abc1c045f88b199be0fee8a32da87cd08ec34cd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:CSTYWRPSIG6O4VRJ75EJ44Z3F3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Online Graph-Based Change-Point Detection for High Dimensional Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","stat.ME"],"primary_cat":"stat.ML","authors_text":"Katerina Papagiannouli, Vladmir Spokoiny, Yang-Wen Sun","submitted_at":"2019-06-07T10:40:45Z","abstract_excerpt":"Online change-point detection (OCPD) is important for application in various areas such as finance, biology, and the Internet of Things (IoT). However, OCPD faces major challenges due to high-dimensionality, and it is still rarely studied in literature. In this paper, we propose a novel, online, graph-based, change-point detection algorithm to detect change of distribution in low- to high-dimensional data. We introduce a similarity measure, which is derived from the graph-spanning ratio, to test statistically if a change occurs. Through numerical study using artificial online datasets, our dat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.03001","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:43:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hgl7qO/2o3mJHVJQ495c7yaxk1OU3DBqF64IG2ppkZt0Lu9n5nPdilgWx+p/ZUvmD81gFTuvCJbp32nBhmBDAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T15:51:48.404543Z"},"content_sha256":"31cb9d9d96c899aa0e61f058ba840545325977820f8fa1dc56029a1dd6220e0d","schema_version":"1.0","event_id":"sha256:31cb9d9d96c899aa0e61f058ba840545325977820f8fa1dc56029a1dd6220e0d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CSTYWRPSIG6O4VRJ75EJ44Z3F3/bundle.json","state_url":"https://pith.science/pith/CSTYWRPSIG6O4VRJ75EJ44Z3F3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CSTYWRPSIG6O4VRJ75EJ44Z3F3/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-23T15:51:48Z","links":{"resolver":"https://pith.science/pith/CSTYWRPSIG6O4VRJ75EJ44Z3F3","bundle":"https://pith.science/pith/CSTYWRPSIG6O4VRJ75EJ44Z3F3/bundle.json","state":"https://pith.science/pith/CSTYWRPSIG6O4VRJ75EJ44Z3F3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CSTYWRPSIG6O4VRJ75EJ44Z3F3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:CSTYWRPSIG6O4VRJ75EJ44Z3F3","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":"e82d0a6f4bd3bfba44953a1587ce8ac1f427248337b8b0382e9ff7f5ba6abffd","cross_cats_sorted":["cs.LG","stat.ME"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2019-06-07T10:40:45Z","title_canon_sha256":"3d08b83593f568146a50a21a7cfa9472826c4486e46965ee30a1281d9428fc51"},"schema_version":"1.0","source":{"id":"1906.03001","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.03001","created_at":"2026-05-17T23:43:55Z"},{"alias_kind":"arxiv_version","alias_value":"1906.03001v1","created_at":"2026-05-17T23:43:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.03001","created_at":"2026-05-17T23:43:55Z"},{"alias_kind":"pith_short_12","alias_value":"CSTYWRPSIG6O","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"CSTYWRPSIG6O4VRJ","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"CSTYWRPS","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:31cb9d9d96c899aa0e61f058ba840545325977820f8fa1dc56029a1dd6220e0d","target":"graph","created_at":"2026-05-17T23:43:55Z","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":"Online change-point detection (OCPD) is important for application in various areas such as finance, biology, and the Internet of Things (IoT). However, OCPD faces major challenges due to high-dimensionality, and it is still rarely studied in literature. In this paper, we propose a novel, online, graph-based, change-point detection algorithm to detect change of distribution in low- to high-dimensional data. We introduce a similarity measure, which is derived from the graph-spanning ratio, to test statistically if a change occurs. Through numerical study using artificial online datasets, our dat","authors_text":"Katerina Papagiannouli, Vladmir Spokoiny, Yang-Wen Sun","cross_cats":["cs.LG","stat.ME"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2019-06-07T10:40:45Z","title":"Online Graph-Based Change-Point Detection for High Dimensional Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.03001","kind":"arxiv","version":1},"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":"sha256:71f3e2e626cc2e3c323cbcf84abc1c045f88b199be0fee8a32da87cd08ec34cd","target":"record","created_at":"2026-05-17T23:43:55Z","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":"e82d0a6f4bd3bfba44953a1587ce8ac1f427248337b8b0382e9ff7f5ba6abffd","cross_cats_sorted":["cs.LG","stat.ME"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2019-06-07T10:40:45Z","title_canon_sha256":"3d08b83593f568146a50a21a7cfa9472826c4486e46965ee30a1281d9428fc51"},"schema_version":"1.0","source":{"id":"1906.03001","kind":"arxiv","version":1}},"canonical_sha256":"14a78b45f241bcee5629ff489e733b2ee7a2b3ec0c50ed7000218c569c4cfa36","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"14a78b45f241bcee5629ff489e733b2ee7a2b3ec0c50ed7000218c569c4cfa36","first_computed_at":"2026-05-17T23:43:55.412718Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:43:55.412718Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MCubpWsu/KJVFWfmrmymNWtDUdN/5xSBtjj0a7Fia6agulUKBD4mtJkzkRawCh8gpmPeIJahPyAwu6LtiDNYBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:43:55.413365Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.03001","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:71f3e2e626cc2e3c323cbcf84abc1c045f88b199be0fee8a32da87cd08ec34cd","sha256:31cb9d9d96c899aa0e61f058ba840545325977820f8fa1dc56029a1dd6220e0d"],"state_sha256":"0e227b962f84bbe2ff63def811b588bd2116de53eff91e5555ed1e9e14b664fe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mgfYoM61K50HeKnG9u5cjsJGJC2JynUCiygsxzOm/LG/t6GKrrRiJ04A8TB1k5Dhe/qkIEvcxJJ35YqkYmNBDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T15:51:48.406631Z","bundle_sha256":"7155dcf0e3f9f998bad0914274f4d05c41afd7b135f880b427a7917f8056ef6a"}}