# Greenroom Robotics x Austal Australia PBAT revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Partnership: [Greenroom Robotics x Austal Australia PBAT](/partnerships/greenroom-robotics-x-austal-australia-pbat.md)

## Recorded posture

- First recorded event: 2026-08-22
- Last material change: 2026-08-22
- Material event count: 1
- Editorial event count: 0

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point. Fields with no events post-baseline equal the current cached value and are not independently verified at any prior date.

_Canonical URL: /partnerships/greenroom-robotics-x-austal-australia-pbat/history. REST: /v1/partnerships/98c0930d-f3ac-41e6-9974-69ab5340ac19/history. HTML: [/partnerships/greenroom-robotics-x-austal-australia-pbat/history](/partnerships/greenroom-robotics-x-austal-australia-pbat/history)._