model_cards/sac_actor.md

sac_actor

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

field	value
chapter	ch2.2-sac
contract	v1
seed	0
tier	cpu-laptop
exporter	curriculum/phase2_reinforcement/ch2.2_sac/export_sac_onnx.py
sha256	3a6ebefe1a768c3918dbf32cff7b571171376a1c827dae36c24dfd17b260a18c

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.