# GrayMatter Robotics x AFWERX (Canopy Sanding) revision history

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

Partnership: [GrayMatter Robotics x AFWERX (Canopy Sanding)](/partnerships/graymatter-robotics-x-afwerx-canopy-sanding.md)

## Recorded posture

- First recorded event: 2026-01-15
- Last material change: 2026-01-15
- 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/graymatter-robotics-x-afwerx-canopy-sanding/history. REST: /v1/partnerships/65f4f09d-68f4-4fca-bc8e-aff8a32ae2ac/history. HTML: [/partnerships/graymatter-robotics-x-afwerx-canopy-sanding/history](/partnerships/graymatter-robotics-x-afwerx-canopy-sanding/history)._