{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:2DTDBN2B34G3C3LQSFBZUGLN4G","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":"a9e6def063b7635f61acf03a9ddc1110fa75c621f84b2a7fabe48b8e19eb0341","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2024-12-17T13:10:02Z","title_canon_sha256":"13e385ec9199f5f2d114aeb36f25ba911fbe624ffef88e167355d8ab5cc4634d"},"schema_version":"1.0","source":{"id":"2412.12886","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.12886","created_at":"2026-07-05T09:50:22Z"},{"alias_kind":"arxiv_version","alias_value":"2412.12886v1","created_at":"2026-07-05T09:50:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.12886","created_at":"2026-07-05T09:50:22Z"},{"alias_kind":"pith_short_12","alias_value":"2DTDBN2B34G3","created_at":"2026-07-05T09:50:22Z"},{"alias_kind":"pith_short_16","alias_value":"2DTDBN2B34G3C3LQ","created_at":"2026-07-05T09:50:22Z"},{"alias_kind":"pith_short_8","alias_value":"2DTDBN2B","created_at":"2026-07-05T09:50:22Z"}],"graph_snapshots":[{"event_id":"sha256:ea8098309fbfccf7462c435be45b24329c0d4d29aebe6f6aacde75431f83eb03","target":"graph","created_at":"2026-07-05T09:50:22Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2412.12886/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Irregularly sampled multivariate time series (ISMTS) are prevalent in reality. Due to their non-uniform intervals between successive observations and varying sampling rates among series, the channel-independent (CI) strategy, which has been demonstrated more desirable for complete multivariate time series forecasting in recent studies, has failed. This failure can be further attributed to the sampling sparsity, which provides insufficient information for effective CI learning, thereby reducing its capacity. When we resort to the channel-dependent (CD) strategy, even higher capacity cannot miti","authors_text":"Jiexi Liu, Meng Cao, Songcan Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2024-12-17T13:10:02Z","title":"TimeCHEAT: A Channel Harmony Strategy for Irregularly Sampled Multivariate Time Series Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.12886","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:aed916bb3f24790cba47bfa42b0feaac17936e0c41ffeb74449fe58a18aba173","target":"record","created_at":"2026-07-05T09:50:22Z","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":"a9e6def063b7635f61acf03a9ddc1110fa75c621f84b2a7fabe48b8e19eb0341","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2024-12-17T13:10:02Z","title_canon_sha256":"13e385ec9199f5f2d114aeb36f25ba911fbe624ffef88e167355d8ab5cc4634d"},"schema_version":"1.0","source":{"id":"2412.12886","kind":"arxiv","version":1}},"canonical_sha256":"d0e630b741df0db16d7091439a196de18d54f8af23983bce5ff56cc0ddb23202","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d0e630b741df0db16d7091439a196de18d54f8af23983bce5ff56cc0ddb23202","first_computed_at":"2026-07-05T09:50:22.202504Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:50:22.202504Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KLj/58zqh6GC6/d7VhgY8ejj0WEX4snBzFqvMlwcwwyxWrDhfViM/IUVHn0WxLPZzbky/TN0njXNfVQGqxi8Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:50:22.202931Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.12886","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aed916bb3f24790cba47bfa42b0feaac17936e0c41ffeb74449fe58a18aba173","sha256:ea8098309fbfccf7462c435be45b24329c0d4d29aebe6f6aacde75431f83eb03"],"state_sha256":"fe71c5665ef6f9a5c9c19cf28561f202734d5d5e32f9665e8721e6b5a8e5303a"}