{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:7CBRDQOZ7XIIR6DIOLAWPIB4SY","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":"d8390b28dbacacee681449655de92b82130c6a0b96b28bb4d055afb5a1df62b8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-11-14T03:17:33Z","title_canon_sha256":"bc6c33343b0e1c94877b2260f3e042bcd867acb5699d24dc30b10e157a8f3424"},"schema_version":"1.0","source":{"id":"2211.07082","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.07082","created_at":"2026-07-05T05:15:49Z"},{"alias_kind":"arxiv_version","alias_value":"2211.07082v1","created_at":"2026-07-05T05:15:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.07082","created_at":"2026-07-05T05:15:49Z"},{"alias_kind":"pith_short_12","alias_value":"7CBRDQOZ7XII","created_at":"2026-07-05T05:15:49Z"},{"alias_kind":"pith_short_16","alias_value":"7CBRDQOZ7XIIR6DI","created_at":"2026-07-05T05:15:49Z"},{"alias_kind":"pith_short_8","alias_value":"7CBRDQOZ","created_at":"2026-07-05T05:15:49Z"}],"graph_snapshots":[{"event_id":"sha256:d1d325cb598707dbd9dff5b8eb31268f69e85e4ba62212549eaaacbeed18bbd2","target":"graph","created_at":"2026-07-05T05:15:49Z","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/2211.07082/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Strong evidence suggests that humans perceive the 3D world by parsing visual scenes and objects into part-whole hierarchies. Although deep neural networks have the capability of learning powerful multi-level representations, they can not explicitly model part-whole hierarchies, which limits their expressiveness and interpretability in processing 3D vision data such as point clouds. To this end, we propose an encoder-decoder style latent variable model that explicitly learns the part-whole hierarchies for the multi-level point cloud segmentation. Specifically, the encoder takes a point cloud as","authors_text":"Renjie Liao, Wei Hu, Xiang Gao","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-11-14T03:17:33Z","title":"Learning Latent Part-Whole Hierarchies for Point Clouds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.07082","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":"sha256:8cc850caa81abd6cfdd7f823e5da637f7c8aff3abf33390f7279853cbae3f9e1","target":"record","created_at":"2026-07-05T05:15:49Z","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":"d8390b28dbacacee681449655de92b82130c6a0b96b28bb4d055afb5a1df62b8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-11-14T03:17:33Z","title_canon_sha256":"bc6c33343b0e1c94877b2260f3e042bcd867acb5699d24dc30b10e157a8f3424"},"schema_version":"1.0","source":{"id":"2211.07082","kind":"arxiv","version":1}},"canonical_sha256":"f88311c1d9fdd088f86872c167a03c960a22baa079ebe354f4f8a99311598388","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f88311c1d9fdd088f86872c167a03c960a22baa079ebe354f4f8a99311598388","first_computed_at":"2026-07-05T05:15:49.265184Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:15:49.265184Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vgG4FUA1Wt7Oq7u3M8uNvDxH+R9HU1Mak35ldQcdflF2BqdhansPrprbnVDd6lXfi31mxQW5xszO3tJeZPeLAw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:15:49.265702Z","signed_message":"canonical_sha256_bytes"},"source_id":"2211.07082","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8cc850caa81abd6cfdd7f823e5da637f7c8aff3abf33390f7279853cbae3f9e1","sha256:d1d325cb598707dbd9dff5b8eb31268f69e85e4ba62212549eaaacbeed18bbd2"],"state_sha256":"b4e3ac1a8d85269d30a5c034cf2b5e5c00f64c07cd02360ccd80b4c8f050ffe5"}