TaskAnchor RoboMemArena pi0.5 model weights

This model is derived from pretrained OpenPI pi0.5 / PaliGemma components.
Upstream model terms continue to apply to the full checkpoint. The associated
TaskAnchor source is published separately under Apache License 2.0; this does
not override the terms for pretrained weights.

Gemma is provided under and subject to the Gemma Terms of Use found at ai.google.dev/gemma/terms

OpenPI: https://github.com/Physical-Intelligence/openpi
The benchmark, simulation assets, training dataset, and source code are not
included in this weights-only repository.