{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:PATSDHC7RRPKP7PBO4LYQTVD7H","short_pith_number":"pith:PATSDHC7","canonical_record":{"source":{"id":"2606.22725","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-21T23:54:44Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"e97942a7c632d94337f7303f3fbfccb0c451fbd65c986d057b259f5466f0dad9","abstract_canon_sha256":"adaeec6006bbaa7238ca7a92d1622ebb3557ff91f0b58543cc08a2c8e330cb91"},"schema_version":"1.0"},"canonical_sha256":"7827219c5f8c5ea7fde17717884ea3f9f5674fd34fe906b7dd4c7250f492060a","source":{"kind":"arxiv","id":"2606.22725","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.22725","created_at":"2026-06-23T02:13:45Z"},{"alias_kind":"arxiv_version","alias_value":"2606.22725v1","created_at":"2026-06-23T02:13:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.22725","created_at":"2026-06-23T02:13:45Z"},{"alias_kind":"pith_short_12","alias_value":"PATSDHC7RRPK","created_at":"2026-06-23T02:13:45Z"},{"alias_kind":"pith_short_16","alias_value":"PATSDHC7RRPKP7PB","created_at":"2026-06-23T02:13:45Z"},{"alias_kind":"pith_short_8","alias_value":"PATSDHC7","created_at":"2026-06-23T02:13:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:PATSDHC7RRPKP7PBO4LYQTVD7H","target":"record","payload":{"canonical_record":{"source":{"id":"2606.22725","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-21T23:54:44Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"e97942a7c632d94337f7303f3fbfccb0c451fbd65c986d057b259f5466f0dad9","abstract_canon_sha256":"adaeec6006bbaa7238ca7a92d1622ebb3557ff91f0b58543cc08a2c8e330cb91"},"schema_version":"1.0"},"canonical_sha256":"7827219c5f8c5ea7fde17717884ea3f9f5674fd34fe906b7dd4c7250f492060a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T02:13:45.756638Z","signature_b64":"t4qcqQrIHbf0depTGJbAuuzKNm7D93EyqaP1nWLQvLo2sxNegfn0S9vDAFWVJgAvzfbLSrMgNdk/dbkG8aEQDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7827219c5f8c5ea7fde17717884ea3f9f5674fd34fe906b7dd4c7250f492060a","last_reissued_at":"2026-06-23T02:13:45.756254Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T02:13:45.756254Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.22725","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-23T02:13:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KW8n+6QCFhUH1btwcXbGacFHpoCi010015IuSbMPQAPn+CPGRhMYMb8dOjUKHtVqmdNrGlAh7htW8T8dtTiJBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T00:42:23.921693Z"},"content_sha256":"f1e058102527e4cd9098c613ecc4660239c9239fbca0fb0595172b770fa2319e","schema_version":"1.0","event_id":"sha256:f1e058102527e4cd9098c613ecc4660239c9239fbca0fb0595172b770fa2319e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:PATSDHC7RRPKP7PBO4LYQTVD7H","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interpretable Uncertainty Routing Separating Emotion Ambiguity from Distribution Shift in Facial Expression Recognition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Keito Inoshita, Takato Ueno","submitted_at":"2026-06-21T23:54:44Z","abstract_excerpt":"Facial expression recognition (FER) is inherently ambiguous: human annotators frequently disagree, and models deployed in real environments face distribution shift. Crucially, these two conditions demand different downstream actions, as ambiguous in-distribution faces should be reported with their ambiguity whereas out-of-distribution inputs should be rejected. However, a single uncertainty score conflates the two. In this study, uncertainty decomposition into aleatoric and epistemic components for FER is investigated, and Uncertainty-Aware Routing (UAR), an inference-time routing mechanism th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.22725","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.22725/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-06-23T02:13:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ybh76Ji6tE+Ie5+09gX4enIWZao3wJRpuPc25mZ+YODEuP/QaJ9qvtRBDnJFUNtV1hQSdXvY6PK/3CbOcczQDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T00:42:23.922073Z"},"content_sha256":"fa0150a485b6ddc915b54b986e02a1d587649387e6c5dc6e3c065d12d1a232bb","schema_version":"1.0","event_id":"sha256:fa0150a485b6ddc915b54b986e02a1d587649387e6c5dc6e3c065d12d1a232bb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PATSDHC7RRPKP7PBO4LYQTVD7H/bundle.json","state_url":"https://pith.science/pith/PATSDHC7RRPKP7PBO4LYQTVD7H/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PATSDHC7RRPKP7PBO4LYQTVD7H/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":"2026-06-28T00:42:23Z","links":{"resolver":"https://pith.science/pith/PATSDHC7RRPKP7PBO4LYQTVD7H","bundle":"https://pith.science/pith/PATSDHC7RRPKP7PBO4LYQTVD7H/bundle.json","state":"https://pith.science/pith/PATSDHC7RRPKP7PBO4LYQTVD7H/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PATSDHC7RRPKP7PBO4LYQTVD7H/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:PATSDHC7RRPKP7PBO4LYQTVD7H","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":"adaeec6006bbaa7238ca7a92d1622ebb3557ff91f0b58543cc08a2c8e330cb91","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-21T23:54:44Z","title_canon_sha256":"e97942a7c632d94337f7303f3fbfccb0c451fbd65c986d057b259f5466f0dad9"},"schema_version":"1.0","source":{"id":"2606.22725","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.22725","created_at":"2026-06-23T02:13:45Z"},{"alias_kind":"arxiv_version","alias_value":"2606.22725v1","created_at":"2026-06-23T02:13:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.22725","created_at":"2026-06-23T02:13:45Z"},{"alias_kind":"pith_short_12","alias_value":"PATSDHC7RRPK","created_at":"2026-06-23T02:13:45Z"},{"alias_kind":"pith_short_16","alias_value":"PATSDHC7RRPKP7PB","created_at":"2026-06-23T02:13:45Z"},{"alias_kind":"pith_short_8","alias_value":"PATSDHC7","created_at":"2026-06-23T02:13:45Z"}],"graph_snapshots":[{"event_id":"sha256:fa0150a485b6ddc915b54b986e02a1d587649387e6c5dc6e3c065d12d1a232bb","target":"graph","created_at":"2026-06-23T02:13:45Z","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/2606.22725/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Facial expression recognition (FER) is inherently ambiguous: human annotators frequently disagree, and models deployed in real environments face distribution shift. Crucially, these two conditions demand different downstream actions, as ambiguous in-distribution faces should be reported with their ambiguity whereas out-of-distribution inputs should be rejected. However, a single uncertainty score conflates the two. In this study, uncertainty decomposition into aleatoric and epistemic components for FER is investigated, and Uncertainty-Aware Routing (UAR), an inference-time routing mechanism th","authors_text":"Keito Inoshita, Takato Ueno","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-21T23:54:44Z","title":"Interpretable Uncertainty Routing Separating Emotion Ambiguity from Distribution Shift in Facial Expression Recognition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.22725","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:f1e058102527e4cd9098c613ecc4660239c9239fbca0fb0595172b770fa2319e","target":"record","created_at":"2026-06-23T02:13:45Z","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":"adaeec6006bbaa7238ca7a92d1622ebb3557ff91f0b58543cc08a2c8e330cb91","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-21T23:54:44Z","title_canon_sha256":"e97942a7c632d94337f7303f3fbfccb0c451fbd65c986d057b259f5466f0dad9"},"schema_version":"1.0","source":{"id":"2606.22725","kind":"arxiv","version":1}},"canonical_sha256":"7827219c5f8c5ea7fde17717884ea3f9f5674fd34fe906b7dd4c7250f492060a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7827219c5f8c5ea7fde17717884ea3f9f5674fd34fe906b7dd4c7250f492060a","first_computed_at":"2026-06-23T02:13:45.756254Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-23T02:13:45.756254Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t4qcqQrIHbf0depTGJbAuuzKNm7D93EyqaP1nWLQvLo2sxNegfn0S9vDAFWVJgAvzfbLSrMgNdk/dbkG8aEQDg==","signature_status":"signed_v1","signed_at":"2026-06-23T02:13:45.756638Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.22725","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f1e058102527e4cd9098c613ecc4660239c9239fbca0fb0595172b770fa2319e","sha256:fa0150a485b6ddc915b54b986e02a1d587649387e6c5dc6e3c065d12d1a232bb"],"state_sha256":"8e5f103f6d5a0c30d2a5a20de41410b12ba3a50053c537073703798c463e7171"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GX/rzLDWq5N8h4tYrbDnm71m4oXGJnpdozBdhkmXUD80NiYW5yL8ogPveGisuug1cz+MXpQuuSXRUhJ9kkV6CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T00:42:23.924013Z","bundle_sha256":"2cb117224e6c7c761013e8b6066dd402729fa10dd22f38cc8167b1bcbdd0bad0"}}