content_hash — sha256 over (system, user, assistant, site, is_noop, sha256(image bytes)); stable content identity (oversampled duplicate rows share it).
source — /, collection ∈ {webarena, liveweb}, inferred per trajectory (a trajectory touching the WebArena instance host is webarena).
Checked at revision 1440b43cabc3178f0ead8d71a373eddad626570b:… See the full description on the dataset page:
https://huggingface.co/datasets/photonmz/bwm-sft-mix.
