model_cards/shaped_walk.md

shaped_walk

zero2robot live-demo policy. Loaded by the site at /models/shaped_walk.onnx and provisioned at build time by site/scripts/fetch_models.py (sha256-verified).

field	value
chapter	ch2.4-rewards
contract	v1
seed	0
tier	cpu-laptop
exporter	curriculum/phase2_reinforcement/ch2.4_rewards/export_rewards_onnx.py
sha256	2c3e5981f6eb4f86ba33eef0821b0045c5a6b3949d4cd3bb54215f941bca3f3d

Reproduce: run the exporter above at the recorded seed on the recorded tier; the export is CPU-deterministic, so the bytes (and this sha256) reproduce exactly.