{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:DEUP5KJ272H4E34GO6K7ONZQ4M","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":"fcb5fb9c2ae749eb225c4bf3366adf72190be37a4409b7ad418bb646dc5c61f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-07-30T09:44:46Z","title_canon_sha256":"f61e5a73c7d318b141bd9f46fe23acb85b0c273613902399f223f188c5a00d72"},"schema_version":"1.0","source":{"id":"2607.27933","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.27933","created_at":"2026-07-31T01:34:50Z"},{"alias_kind":"arxiv_version","alias_value":"2607.27933v1","created_at":"2026-07-31T01:34:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.27933","created_at":"2026-07-31T01:34:50Z"},{"alias_kind":"pith_short_12","alias_value":"DEUP5KJ272H4","created_at":"2026-07-31T01:34:50Z"},{"alias_kind":"pith_short_16","alias_value":"DEUP5KJ272H4E34G","created_at":"2026-07-31T01:34:50Z"},{"alias_kind":"pith_short_8","alias_value":"DEUP5KJ2","created_at":"2026-07-31T01:34:50Z"}],"graph_snapshots":[{"event_id":"sha256:ff84f6bb2a05755f09ae057f5ecf69b9c65d3146a9da2f7fd5733ace92d14efa","target":"graph","created_at":"2026-07-31T01:34:50Z","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/2607.27933/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Flow matching (FM) has become a popular action head paradigm for modern embodied models. However, as a conditional generative model, it does not explicitly expose its inherent uncertainty, producing faulty action chunks even when it misinterprets the scene or encounters out-of-distribution (OOD) inputs. Therefore, determining when an FM-generated action can be trusted is essential for safe deployment, yet existing uncertainty estimation methods on real-time control suffer from several issues: extra training budget, high computational overhead, and low generalization ability. In this work, we p","authors_text":"Ben Fei, Hui Xiong, Weiyu Guo, Yandong Guo, Yiren Zhao, Ziyang Rao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-07-30T09:44:46Z","title":"The Geometric Nature and a Free Proxy for Flow-Matching Uncertainty"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.27933","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":"sha256:91d65837d9a96fd21fa85faa9783a810eef79ff8c3bfaf24a4baa3c7e87081ee","target":"record","created_at":"2026-07-31T01:34:50Z","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":"fcb5fb9c2ae749eb225c4bf3366adf72190be37a4409b7ad418bb646dc5c61f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-07-30T09:44:46Z","title_canon_sha256":"f61e5a73c7d318b141bd9f46fe23acb85b0c273613902399f223f188c5a00d72"},"schema_version":"1.0","source":{"id":"2607.27933","kind":"arxiv","version":1}},"canonical_sha256":"1928fea93afe8fc26f867795f73730e315849176cc0c68f9a5d08f4875301ff5","receipt":{"builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1928fea93afe8fc26f867795f73730e315849176cc0c68f9a5d08f4875301ff5","first_computed_at":"2026-07-31T01:34:50.096414Z","kind":"pith_receipt","last_reissued_at":"2026-07-31T01:34:50.096414Z","receipt_version":"0.3","signature_status":"unsigned_v0"},"source_id":"2607.27933","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91d65837d9a96fd21fa85faa9783a810eef79ff8c3bfaf24a4baa3c7e87081ee","sha256:ff84f6bb2a05755f09ae057f5ecf69b9c65d3146a9da2f7fd5733ace92d14efa"],"state_sha256":"610e8903b8c210d12d278c9886988180a97a170457480ab6809e76dd9f1ef2fc"}