# 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.