{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:LJHQOA74NVTZHFGKD3FKF3SB4W","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":"9dc6c8a7443e1f013cf9a144a26520aca9c61a184c5d52f76fe348ab6cb6e13e","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-07-29T17:56:38Z","title_canon_sha256":"d07e4039cad57f8990b0e2a9b1989f86563091533c5c6140d5610b14be0b2778"},"schema_version":"1.0","source":{"id":"2507.22053","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.22053","created_at":"2026-07-05T11:45:12Z"},{"alias_kind":"arxiv_version","alias_value":"2507.22053v1","created_at":"2026-07-05T11:45:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.22053","created_at":"2026-07-05T11:45:12Z"},{"alias_kind":"pith_short_12","alias_value":"LJHQOA74NVTZ","created_at":"2026-07-05T11:45:12Z"},{"alias_kind":"pith_short_16","alias_value":"LJHQOA74NVTZHFGK","created_at":"2026-07-05T11:45:12Z"},{"alias_kind":"pith_short_8","alias_value":"LJHQOA74","created_at":"2026-07-05T11:45:12Z"}],"graph_snapshots":[{"event_id":"sha256:b4e95c9bf7e801a72128f93bfe1394259af6381b0ee3b384046885107afbabf8","target":"graph","created_at":"2026-07-05T11:45:12Z","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/2507.22053/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Accurate demand forecasting is critical for supply chain optimization, yet remains difficult in practice due to hierarchical complexity, domain shifts, and evolving external factors. While recent foundation models offer strong potential for time series forecasting, they often suffer from architectural rigidity and limited robustness under distributional change. In this paper, we propose a unified ensemble framework that enhances the performance of foundation models for sales forecasting in real-world supply chains. Our method combines two complementary strategies: (1) Hierarchical Ensemble (HE","authors_text":"Defu Cao, Wei Yang, Yan Liu","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-07-29T17:56:38Z","title":"Foundation Models for Demand Forecasting via Dual-Strategy Ensembling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.22053","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":"sha256:9cfa0c3ab3cf1654be4d47af100bddc6924ee4974f5c9fc927c513cb0fe47730","target":"record","created_at":"2026-07-05T11:45:12Z","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":"9dc6c8a7443e1f013cf9a144a26520aca9c61a184c5d52f76fe348ab6cb6e13e","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-07-29T17:56:38Z","title_canon_sha256":"d07e4039cad57f8990b0e2a9b1989f86563091533c5c6140d5610b14be0b2778"},"schema_version":"1.0","source":{"id":"2507.22053","kind":"arxiv","version":1}},"canonical_sha256":"5a4f0703fc6d679394ca1ecaa2ee41e5a317f4b5320eb21c3bf1c59dd5ce5be0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a4f0703fc6d679394ca1ecaa2ee41e5a317f4b5320eb21c3bf1c59dd5ce5be0","first_computed_at":"2026-07-05T11:45:12.283264Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:45:12.283264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P4czrnKqnBp6chO2itGiIfO5chRTD3xlTGNm4lUuUqAKXqH1Q4zpGEwlsLLu0EV7ab8WmhbtEourdKGciTx6Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:45:12.283685Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.22053","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9cfa0c3ab3cf1654be4d47af100bddc6924ee4974f5c9fc927c513cb0fe47730","sha256:b4e95c9bf7e801a72128f93bfe1394259af6381b0ee3b384046885107afbabf8"],"state_sha256":"56b848d5979ec1589b200eb6bc9ec2d3d4c87d3f715ade4225e465ff70be367d"}