model_cards/walk_actor.md

walk_actor

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

field	value
chapter	ch2.5-walk
contract	v1
seed	0
tier	cpu-laptop
exporter	curriculum/phase2_reinforcement/ch2.5_walk/export_walk_onnx.py
sha256	8dd6524fb76c0599012c04ff50f5d71eee008b2c708dcb74c87efc47037f10c8

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.