# ST Engineering x Fassmer (Unmanned Surface Vessels) revision history

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

Partnership: [ST Engineering x Fassmer (Unmanned Surface Vessels)](/partnerships/st-engineering-x-fassmer-unmanned-surface-vessels.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/st-engineering-x-fassmer-unmanned-surface-vessels/history. REST: /v1/partnerships/fc5f2ef1-571e-489e-8b31-56fbfd35ed38/history. HTML: [/partnerships/st-engineering-x-fassmer-unmanned-surface-vessels/history](/partnerships/st-engineering-x-fassmer-unmanned-surface-vessels/history)._