model_cards/dr_narrow.md

dr_narrow

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

field	value
chapter	ch2.7-dr
contract	v1
seed	0
tier	cpu-laptop
exporter	curriculum/phase2_reinforcement/ch2.7_dr/export_dr_onnx.py
sha256	ceb4cf4f2811d8dab2350aa934c105dd09ebd09e024db6722acfb7bb62cd176d

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.