{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:YM4S34YYYVTROPXB3D3KR3T53J","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":"7bee03f3a0c6cb42be0d1c1e8d67244ff9dc987fe7293e446fa8d8b04de6bb34","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-12-04T14:58:36Z","title_canon_sha256":"deb570968ce920f95d05cea27e67bef34203f37cc002aa2e11df9daed970b3b9"},"schema_version":"1.0","source":{"id":"2112.02353","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.02353","created_at":"2026-07-05T07:07:03Z"},{"alias_kind":"arxiv_version","alias_value":"2112.02353v2","created_at":"2026-07-05T07:07:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.02353","created_at":"2026-07-05T07:07:03Z"},{"alias_kind":"pith_short_12","alias_value":"YM4S34YYYVTR","created_at":"2026-07-05T07:07:03Z"},{"alias_kind":"pith_short_16","alias_value":"YM4S34YYYVTROPXB","created_at":"2026-07-05T07:07:03Z"},{"alias_kind":"pith_short_8","alias_value":"YM4S34YY","created_at":"2026-07-05T07:07:03Z"}],"graph_snapshots":[{"event_id":"sha256:c37f0040e8930264cbf0cbeec0139074181b0c811d9e5bfeab010fcc4c6d567e","target":"graph","created_at":"2026-07-05T07:07:03Z","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/2112.02353/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Hierarchical classification aims to sort the object into a hierarchical structure of categories. For example, a bird can be categorized according to a three-level hierarchy of order, family, and species. Existing methods commonly address hierarchical classification by decoupling it into a series of multi-class classification tasks. However, such a multi-task learning strategy fails to fully exploit the correlation among various categories across different levels of the hierarchy. In this paper, we propose Label Hierarchy Transition (LHT), a unified probabilistic framework based on deep learnin","authors_text":"De Cai, Deyu Meng, Kaiwen Xiao, Renzhen Wang, Xiao Han, Xixi Jia","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-12-04T14:58:36Z","title":"Label Hierarchy Transition: Delving into Class Hierarchies to Enhance Deep Classifiers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.02353","kind":"arxiv","version":2},"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":"sha256:37e1038b47c8d132f582c30dce8513e6ba11337152962d2ade1a780c7d8d854f","target":"record","created_at":"2026-07-05T07:07:03Z","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":"7bee03f3a0c6cb42be0d1c1e8d67244ff9dc987fe7293e446fa8d8b04de6bb34","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-12-04T14:58:36Z","title_canon_sha256":"deb570968ce920f95d05cea27e67bef34203f37cc002aa2e11df9daed970b3b9"},"schema_version":"1.0","source":{"id":"2112.02353","kind":"arxiv","version":2}},"canonical_sha256":"c3392df318c567173ee1d8f6a8ee7dda40f2bad4e5803163e45d6354b4689310","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c3392df318c567173ee1d8f6a8ee7dda40f2bad4e5803163e45d6354b4689310","first_computed_at":"2026-07-05T07:07:03.422619Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:07:03.422619Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+ipxA+piV70SC976xTyJ2Mc1E7g7QEjOGWGeR/a7b87uj5/nZytpKSqVx3SZ8Taf1BP6V7w01iOhwPo0sBgsAw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:07:03.423235Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.02353","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:37e1038b47c8d132f582c30dce8513e6ba11337152962d2ade1a780c7d8d854f","sha256:c37f0040e8930264cbf0cbeec0139074181b0c811d9e5bfeab010fcc4c6d567e"],"state_sha256":"e89c6a47c057aad360e63040532dfb9c75a7210d7e1a1f809980ce0d8c5917d3"}