Independent reproduction for the ICML-2026 agent-repro challenge.
Paper: OpenReview FiuJVpxuSX — Romberg-Extrapolated Zeroth-Order Gradient Estimator: Higher-Order Bias Reduction with Preserved Leading Directional Variance (Dong, Pu, Zhao, Zhou, Yin). No official code was available; the estimator is reimplemented from its mathematical definition.
Result (both core claims reproduce, full)… See the full description on the dataset page: https://huggingface.co/datasets/MarxistLeninist/repro-romberg-zoge-bundle.