# XDOF x UC Berkeley AI Research Lab revision history

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

Partnership: [XDOF x UC Berkeley AI Research Lab](/partnerships/xdof-x-uc-berkeley-ai-research-lab.md)

## Recorded posture

- First recorded event: 2026-06-17
- Last material change: 2026-06-17
- 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/xdof-x-uc-berkeley-ai-research-lab/history. REST: /v1/partnerships/ea1a077f-d52b-425b-a732-a55b5bbc75a2/history. HTML: [/partnerships/xdof-x-uc-berkeley-ai-research-lab/history](/partnerships/xdof-x-uc-berkeley-ai-research-lab/history)._