{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:4AG7AZGL2AFEJUUCTMHLFO65FA","short_pith_number":"pith:4AG7AZGL","canonical_record":{"source":{"id":"1206.5367","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2012-06-23T08:03:49Z","cross_cats_sorted":[],"title_canon_sha256":"0632f679294a5803ae92f278d595949a7b619d8fe5aa3f8cf3683ca63f1c4f22","abstract_canon_sha256":"9dd0376adad6308227335918497af49f3db620a8046d58eba523ef5bacd2ee7b"},"schema_version":"1.0"},"canonical_sha256":"e00df064cbd00a44d2829b0eb2bbdd280bee2345167b76c0c2daeac29b8c97a8","source":{"kind":"arxiv","id":"1206.5367","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.5367","created_at":"2026-05-18T03:00:39Z"},{"alias_kind":"arxiv_version","alias_value":"1206.5367v2","created_at":"2026-05-18T03:00:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.5367","created_at":"2026-05-18T03:00:39Z"},{"alias_kind":"pith_short_12","alias_value":"4AG7AZGL2AFE","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4AG7AZGL2AFEJUUC","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4AG7AZGL","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:4AG7AZGL2AFEJUUCTMHLFO65FA","target":"record","payload":{"canonical_record":{"source":{"id":"1206.5367","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2012-06-23T08:03:49Z","cross_cats_sorted":[],"title_canon_sha256":"0632f679294a5803ae92f278d595949a7b619d8fe5aa3f8cf3683ca63f1c4f22","abstract_canon_sha256":"9dd0376adad6308227335918497af49f3db620a8046d58eba523ef5bacd2ee7b"},"schema_version":"1.0"},"canonical_sha256":"e00df064cbd00a44d2829b0eb2bbdd280bee2345167b76c0c2daeac29b8c97a8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:00:39.851050Z","signature_b64":"i3v76BgGcuPGu0ItAWCDxu/M8NgNDB5BH0f9SUvRG6JX+PaWfsI7HYfUFu4JIxfl9jzFsKoaJzEGe5ZSFVsFBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e00df064cbd00a44d2829b0eb2bbdd280bee2345167b76c0c2daeac29b8c97a8","last_reissued_at":"2026-05-18T03:00:39.850336Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:00:39.850336Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.5367","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:00:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZW67wJEZfFeQAJfvzb3H36z8p5f2uB8QmBuciJkUvx/gTLURL6tpHp5TRyx+1C+vtnrXD+a6OPKaiGkxaQ3dDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T09:54:27.138627Z"},"content_sha256":"3ac0c85462f4b0877f932de7d4df4fa966f6edc75166ec61cda1c17c89cc4f73","schema_version":"1.0","event_id":"sha256:3ac0c85462f4b0877f932de7d4df4fa966f6edc75166ec61cda1c17c89cc4f73"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:4AG7AZGL2AFEJUUCTMHLFO65FA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multiple break detection in the correlation structure of random variables","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"stat.ME","authors_text":"Dominik Wied, Pedro Galeano","submitted_at":"2012-06-23T08:03:49Z","abstract_excerpt":"Correlations between random variables play an important role in applications, e.g.\\ in financial analysis. More precisely, accurate estimates of the correlation between financial returns are crucial in portfolio management. In particular, in periods of financial crisis, extreme movements in asset prices are found to be more highly correlated than small movements. It is precisely under these conditions that investors are extremely concerned about changes on correlations. A binary segmentation procedure to detect the number and position of multiple change points in the correlation structure of r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.5367","kind":"arxiv","version":2},"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":"2026-05-18T03:00:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X7NbcPPE/D9b51K1br3iq+HN0zyhRgh9VM0ST0eDxn/FGx97Skjuun6Ant8Z/VgszZZKIlK55KgdK+94np+rAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T09:54:27.138986Z"},"content_sha256":"54bf9bca3b012ea3683e082569eecbc07a3a46aea40deb1d0c3a447647e9034d","schema_version":"1.0","event_id":"sha256:54bf9bca3b012ea3683e082569eecbc07a3a46aea40deb1d0c3a447647e9034d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4AG7AZGL2AFEJUUCTMHLFO65FA/bundle.json","state_url":"https://pith.science/pith/4AG7AZGL2AFEJUUCTMHLFO65FA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4AG7AZGL2AFEJUUCTMHLFO65FA/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":"2026-06-26T09:54:27Z","links":{"resolver":"https://pith.science/pith/4AG7AZGL2AFEJUUCTMHLFO65FA","bundle":"https://pith.science/pith/4AG7AZGL2AFEJUUCTMHLFO65FA/bundle.json","state":"https://pith.science/pith/4AG7AZGL2AFEJUUCTMHLFO65FA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4AG7AZGL2AFEJUUCTMHLFO65FA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:4AG7AZGL2AFEJUUCTMHLFO65FA","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":"9dd0376adad6308227335918497af49f3db620a8046d58eba523ef5bacd2ee7b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2012-06-23T08:03:49Z","title_canon_sha256":"0632f679294a5803ae92f278d595949a7b619d8fe5aa3f8cf3683ca63f1c4f22"},"schema_version":"1.0","source":{"id":"1206.5367","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.5367","created_at":"2026-05-18T03:00:39Z"},{"alias_kind":"arxiv_version","alias_value":"1206.5367v2","created_at":"2026-05-18T03:00:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.5367","created_at":"2026-05-18T03:00:39Z"},{"alias_kind":"pith_short_12","alias_value":"4AG7AZGL2AFE","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4AG7AZGL2AFEJUUC","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4AG7AZGL","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:54bf9bca3b012ea3683e082569eecbc07a3a46aea40deb1d0c3a447647e9034d","target":"graph","created_at":"2026-05-18T03:00:39Z","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":"Correlations between random variables play an important role in applications, e.g.\\ in financial analysis. More precisely, accurate estimates of the correlation between financial returns are crucial in portfolio management. In particular, in periods of financial crisis, extreme movements in asset prices are found to be more highly correlated than small movements. It is precisely under these conditions that investors are extremely concerned about changes on correlations. A binary segmentation procedure to detect the number and position of multiple change points in the correlation structure of r","authors_text":"Dominik Wied, Pedro Galeano","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2012-06-23T08:03:49Z","title":"Multiple break detection in the correlation structure of random variables"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.5367","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":"sha256:3ac0c85462f4b0877f932de7d4df4fa966f6edc75166ec61cda1c17c89cc4f73","target":"record","created_at":"2026-05-18T03:00:39Z","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":"9dd0376adad6308227335918497af49f3db620a8046d58eba523ef5bacd2ee7b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2012-06-23T08:03:49Z","title_canon_sha256":"0632f679294a5803ae92f278d595949a7b619d8fe5aa3f8cf3683ca63f1c4f22"},"schema_version":"1.0","source":{"id":"1206.5367","kind":"arxiv","version":2}},"canonical_sha256":"e00df064cbd00a44d2829b0eb2bbdd280bee2345167b76c0c2daeac29b8c97a8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e00df064cbd00a44d2829b0eb2bbdd280bee2345167b76c0c2daeac29b8c97a8","first_computed_at":"2026-05-18T03:00:39.850336Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:00:39.850336Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i3v76BgGcuPGu0ItAWCDxu/M8NgNDB5BH0f9SUvRG6JX+PaWfsI7HYfUFu4JIxfl9jzFsKoaJzEGe5ZSFVsFBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:00:39.851050Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.5367","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3ac0c85462f4b0877f932de7d4df4fa966f6edc75166ec61cda1c17c89cc4f73","sha256:54bf9bca3b012ea3683e082569eecbc07a3a46aea40deb1d0c3a447647e9034d"],"state_sha256":"b0fad5dfd2e874b7e77fd49e9173e572a11d03b8ec88cace5df4e123f43e8f26"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NGHTTnQArftH9FaIJxyvZUBtEunTWNqoTvRsuTqocesaGep9i9cOH7fwuFI/Fum5YI1n/Y6tPlxejBkxDvE1Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T09:54:27.140920Z","bundle_sha256":"2cd094806d865462674dcc11ac9381b707ea7f5dfc0ecfc5554637d913c7bafb"}}