{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:PDH6246MJ6G4RBXEL6W524MXLY","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":"cd9cd35344b9d03914969cc1d27c67f961e149c4c0ca2e186792d7bae845b780","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-05-27T13:19:23Z","title_canon_sha256":"e258894468e0af998bfab934383aed314cabbc3b2a7a225179d430e73f6ef502"},"schema_version":"1.0","source":{"id":"2405.17149","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.17149","created_at":"2026-07-05T09:27:01Z"},{"alias_kind":"arxiv_version","alias_value":"2405.17149v2","created_at":"2026-07-05T09:27:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.17149","created_at":"2026-07-05T09:27:01Z"},{"alias_kind":"pith_short_12","alias_value":"PDH6246MJ6G4","created_at":"2026-07-05T09:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"PDH6246MJ6G4RBXE","created_at":"2026-07-05T09:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"PDH6246M","created_at":"2026-07-05T09:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:03a16343ab9219f1d11054818edc212b5a596504fc7e93bdc49ae19d0be19231","target":"graph","created_at":"2026-07-05T09:27:01Z","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/2405.17149/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The pre-trained point cloud model based on Masked Point Modeling (MPM) has exhibited substantial improvements across various tasks. However, these models heavily rely on the Transformer, leading to quadratic complexity and limited decoder, hindering their practice application. To address this limitation, we first conduct a comprehensive analysis of existing Transformer-based MPM, emphasizing the idea that redundancy reduction is crucial for point cloud analysis. To this end, we propose a Locally constrained Compact point cloud Model (LCM) consisting of a locally constrained compact encoder and","authors_text":"Bin Chen, Hang Guo, Naiqi Li, Shu-Tao Xia, Tao Dai, Yanzi Wang, Yaohua Zha, Zhihao Ouyang, Zhi Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-05-27T13:19:23Z","title":"LCM: Locally Constrained Compact Point Cloud Model for Masked Point Modeling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.17149","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":"sha256:47538cd7a827771ef0957a7d772186221361c555217d8fed361419c91e2d7dfd","target":"record","created_at":"2026-07-05T09:27:01Z","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":"cd9cd35344b9d03914969cc1d27c67f961e149c4c0ca2e186792d7bae845b780","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-05-27T13:19:23Z","title_canon_sha256":"e258894468e0af998bfab934383aed314cabbc3b2a7a225179d430e73f6ef502"},"schema_version":"1.0","source":{"id":"2405.17149","kind":"arxiv","version":2}},"canonical_sha256":"78cfed73cc4f8dc886e45faddd71975e2f914ceed46874aee5d7ec6663da445a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78cfed73cc4f8dc886e45faddd71975e2f914ceed46874aee5d7ec6663da445a","first_computed_at":"2026-07-05T09:27:01.147960Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:27:01.147960Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"briLrYNF8gK52veuTWs7tnRsnWgB99aiXwO7O0ahmoi3JRDaTtccfBLJ+7TSyPPzbZdsUuJ5C4JLf11eyJWQBw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:27:01.148468Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.17149","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:47538cd7a827771ef0957a7d772186221361c555217d8fed361419c91e2d7dfd","sha256:03a16343ab9219f1d11054818edc212b5a596504fc7e93bdc49ae19d0be19231"],"state_sha256":"0d82777caeb80cd22af6aed495ec45e8d761e53fe0a3b7d76ea05545a16222d1"}