liaolw/physx-v181-s5000-migration-20260910

v18.1 canonical seating migration data User-authorized public transfer of the exact 233 training and 64 validation objects and their 25 pre-rendered views from PhysXVerse. No test records are included. See transfer_manifest.json and image_checksums.json for SHA-256 validation. Extract the tar archive and set data/manifest.json asset_roots.images to the absolute extracted renders_cond directory.