Stretch ICRA Run B090 (contaminated historical checkpoint)
Private research checkpoint for the Hello Robot Stretch cup-serving policy experiments.
- Experiment arm: Run B090
- Base architecture: NVIDIA GR00T N1.6-3B
- Training data: GT60 + pseudo56; global corr >= 0.90 and global NMAE <= 5% (116 episodes)
- Final training step: 87,125
- Cameras: head + gripper
- Action horizon: 16
Historical policy checkpoint. WARNING: about 60% of training resumed without the required preprocessing environment, so this checkpoint is retained for audit/reproduction and should not be used as the clean B090 result.
Files
This repository contains policy inference weights and the matching processor/statistics/configuration files. DeepSpeed optimizer and RNG states are intentionally excluded.
Use the included statistics.json (or processor/statistics.json, depending on the archived checkpoint layout) and processor configuration with the weights. The exact training configuration is retained under experiment_cfg/.
Intended use
Research and reproducibility only. Validate robot limits, preprocessing, normalization, and emergency-stop behavior before physical deployment.
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