# IHI Corporation x GE Aerospace (GEnx Engine Partnership) revision history

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

Partnership: [IHI Corporation x GE Aerospace (GEnx Engine Partnership)](/partnerships/ihi-corporation-x-ge-aerospace-genx-engine-partnership.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/ihi-corporation-x-ge-aerospace-genx-engine-partnership/history. REST: /v1/partnerships/1f5039a5-3e08-48eb-8d67-64d17de8a4da/history. HTML: [/partnerships/ihi-corporation-x-ge-aerospace-genx-engine-partnership/history](/partnerships/ihi-corporation-x-ge-aerospace-genx-engine-partnership/history)._