{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:DMVA2INNOX7NEXJ7PMKSGHIG3E","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":"e7cb7da3211711d90df126c3213d7bf38bbb5a9de3e940977cdb62905aecac2d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-08-03T10:15:30Z","title_canon_sha256":"2f5b14434bce0f5afddf87aee49449bf30ba90e858d0c16e3730d3a1f06bbec2"},"schema_version":"1.0","source":{"id":"2608.02016","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.02016","created_at":"2026-08-04T02:10:30Z"},{"alias_kind":"arxiv_version","alias_value":"2608.02016v1","created_at":"2026-08-04T02:10:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.02016","created_at":"2026-08-04T02:10:30Z"},{"alias_kind":"pith_short_12","alias_value":"DMVA2INNOX7N","created_at":"2026-08-04T02:10:30Z"},{"alias_kind":"pith_short_16","alias_value":"DMVA2INNOX7NEXJ7","created_at":"2026-08-04T02:10:30Z"},{"alias_kind":"pith_short_8","alias_value":"DMVA2INN","created_at":"2026-08-04T02:10:30Z"}],"graph_snapshots":[{"event_id":"sha256:b8099b1f0ef175506059e54600956329b575ccaac8bedbc2734f5b748915eb78","target":"graph","created_at":"2026-08-04T02:10:30Z","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/2608.02016/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Sparse voxel grids preserve the spatial structure needed for detailed 3D reconstruction, but their memory still grows rapidly with resolution as active surface cells increase. We introduce ChunkVAE, a sparse grid variational autoencoder organized around local chunks rather than a global latent volume. Local learned operators permit independently chosen encoder and decoder partitions and allow inference chunk sizes to differ from training. Two complementary data operators make this flexibility practical: Balanced Binary Object Partitioning distributes active cells while limiting replicated over","authors_text":"Bowen Zhang, Chunchao Guo, Haolin Liu, Kaiyi Zhang, Long Quan, Qingxiang Lin, Xianghui Yang, Yunfei Zhao, Zeqiang Lai, Zhihao Liang, Zibo Zhao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-08-03T10:15:30Z","title":"Beyond Global Latents: Chunk-Based Sparse Grid VAE for Scalable 3D Modeling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.02016","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":"sha256:1809273cc7cebb90703c93ca850f56a3adf4a4ab4901fdff57edde965e72cbfb","target":"record","created_at":"2026-08-04T02:10:30Z","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":"e7cb7da3211711d90df126c3213d7bf38bbb5a9de3e940977cdb62905aecac2d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-08-03T10:15:30Z","title_canon_sha256":"2f5b14434bce0f5afddf87aee49449bf30ba90e858d0c16e3730d3a1f06bbec2"},"schema_version":"1.0","source":{"id":"2608.02016","kind":"arxiv","version":1}},"canonical_sha256":"1b2a0d21ad75fed25d3f7b15231d06d9224cc7dfb5a313f67c03072291fdc196","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b2a0d21ad75fed25d3f7b15231d06d9224cc7dfb5a313f67c03072291fdc196","first_computed_at":"2026-08-04T02:10:30.694130Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-04T02:10:30.694130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cdol5B+ngAcfHVKaBUcDMfnO0f5DYaQX23gr8GVt0uNTSWS1sTy3YPWYwNX+yoDPz/m1vsGQQTSXSnVXuYDYDw==","signature_status":"signed_v1","signed_at":"2026-08-04T02:10:30.695933Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.02016","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1809273cc7cebb90703c93ca850f56a3adf4a4ab4901fdff57edde965e72cbfb","sha256:b8099b1f0ef175506059e54600956329b575ccaac8bedbc2734f5b748915eb78"],"state_sha256":"eb9dbae7167a1aad31b5f7345ef495d21e2183d5723396f37a2ecba3749ff474"}