P4D

GEOMETRY + PHYSICS + TIME

Physics-Grounded
4D World Model Framework

Explore evolving worlds through explicit geometry and physics. Choose a scene to inspect its spatial structure and simulation results.

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Unified protocol viewer

Explore meshes, fields, trajectories and time series through a small synthetic example.

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Models and simulation resources

Browse published geometry and results by scene, resource type and version, with provenance and file checksums.

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Published scenes use dedicated interactive viewers. The protocol viewer demonstrates the shared data interface. Consult each scene for the assumptions and scope of its results.