model_cards/ppo_agent.md

ppo_agent

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

field	value
chapter	ch2.1-ppo
contract	v1
seed	0
tier	cpu-laptop
exporter	curriculum/phase2_reinforcement/ch2.1_ppo/export_ppo_onnx.py
sha256	abbf577b80eef8a7f6d2df44d526720ec20a447486de45f574c2e52f2a399c69

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.