# offline_bc

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

| field | value |
|---|---|
| chapter | `ch4-offline-primer` |
| contract | `v1` |
| seed | `0` |
| tier | `cpu-laptop` |
| exporter | `curriculum/phase4_capstone/ch4_offline_primer/export_offline_onnx.py` |
| sha256 | `31bf4b2d9af3e0a2e7f2bd1814e4bca87c641e7fbf8b7ac6026f108ace7c0e06` |

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.