{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:FN34QY5FOJA24ONE7JC5LXJZN7","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":"ab67c2b342c7936359c9a9ea79c2458cc2dd1e3d84478af7aa786be26d22560f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2018-12-21T21:10:00Z","title_canon_sha256":"918a7dc9e59650d7a0e7b2a951a369f0e22f24b8e0f54c88203b5ef03980eb96"},"schema_version":"1.0","source":{"id":"1812.09372","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.09372","created_at":"2026-05-17T23:57:28Z"},{"alias_kind":"arxiv_version","alias_value":"1812.09372v1","created_at":"2026-05-17T23:57:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.09372","created_at":"2026-05-17T23:57:28Z"},{"alias_kind":"pith_short_12","alias_value":"FN34QY5FOJA2","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FN34QY5FOJA24ONE","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FN34QY5F","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:57d38955789b9e76afd7686787ef95bca194c24f4a0c61d930bb141eb1ef5199","target":"graph","created_at":"2026-05-17T23:57:28Z","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":"Moments of large datasets utilise the mean of the dataset; consequently, updating the dataset traditionally requires one to update the mean, which then requires one to recalculate the moment. This means that metrics such as the standard deviation, $R^2$ correlation, and other statistics have to be `refreshed' for dataset updates, requiring large data storage and taking long times to process. Here, a method is shown for updating moments that only requires the previous moments (which are computationally cheaper to store), and the new data to be appended. This leads to a dramatic decrease in data","authors_text":"Benjamin J. Q. Woods","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2018-12-21T21:10:00Z","title":"Fast post-hoc method for updating moments of large datasets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.09372","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:a985df725def0bd936a0abf45f64d954c639f9b1caf4eb21888802dfb65022c6","target":"record","created_at":"2026-05-17T23:57:28Z","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":"ab67c2b342c7936359c9a9ea79c2458cc2dd1e3d84478af7aa786be26d22560f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2018-12-21T21:10:00Z","title_canon_sha256":"918a7dc9e59650d7a0e7b2a951a369f0e22f24b8e0f54c88203b5ef03980eb96"},"schema_version":"1.0","source":{"id":"1812.09372","kind":"arxiv","version":1}},"canonical_sha256":"2b77c863a57241ae39a4fa45d5dd396fc3d929092626a27d7dd3c1dacbb7f125","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b77c863a57241ae39a4fa45d5dd396fc3d929092626a27d7dd3c1dacbb7f125","first_computed_at":"2026-05-17T23:57:28.201065Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:28.201065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N4j9A3lzUXGIxdpp8vXsTxNJsXElOu+XggvG/9K6BMS9v4yVjkAUU4EGA01+QchY85IPRKh65YKsVqwPTgZXDg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:28.201888Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.09372","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a985df725def0bd936a0abf45f64d954c639f9b1caf4eb21888802dfb65022c6","sha256:57d38955789b9e76afd7686787ef95bca194c24f4a0c61d930bb141eb1ef5199"],"state_sha256":"16b2ad5c7158378cc37334322bedff0efa56c65e9029e716b718a2930bc62f48"}