model_cards/height_hack.md

height_hack

zero2robot live-demo policy. Loaded by the site at /models/height_hack.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	442c3fe5e43eb44ea7e40c654a558782628d5133c389fd6cd5abd7e7c8715019

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.