Keywords
constraint-preserving rollout
interaction complexity
paired simulation
reproducibility
Abstract
We evaluated constraint-preserving rollout for physics-aware world modeling under 47% interaction complexity. A deterministic paired simulation generated 64 cases and preserved a low-signal stratum. Mean state-transition fidelity changed from 0.563 to 0.601; the paired difference was +0.038 (95% interval +0.036 to +0.040). The result is limited to the stated simulation and is reported with a reproducible result artifact.
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