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      "statement": "# Brax accelerator-native differentiable rigid-body simulation\n\nImplements vectorized rigid-body transformations and JAX-compiled environment/learning loops on accelerators, allowing many parallel simulated-control trials on the same device.\n\n## Scientific scope\n\nMuJoCo-like tasks are rebuilt and not numerically identical to MuJoCo, so speed/learning comparisons depend on engine/task differences. Differentiable approximate contact simulation is not certified exact physical dynamics or guaranteed reliable gradients through every contact event; reported training times are hardware/task-specific.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nC. Daniel Freeman; Erik Frey; Anton Raichuk; Sertan Girgin; Igor Mordatch; Olivier Bachem\n\nSource-listed authors or explicitly credited technical contributors for the cited versions. Family entries retain source-specific attribution; a combined list is not one original-paper byline or equal individual work. Names alone do not establish resolved identities.\n\n\n\n## Original sources\n\n- [Brax -- A Differentiable Physics Engine for Large Scale Rigid Body Simulation](https://arxiv.org/pdf/2106.13281v1)\n",
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