# KLA x TSMC (Semiconductor Equipment) revision history

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

Partnership: [KLA x TSMC (Semiconductor Equipment)](/partnerships/kla-x-tsmc-semiconductor-equipment.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/kla-x-tsmc-semiconductor-equipment/history. REST: /v1/partnerships/cccd3b2b-218d-43d4-addf-1be1c80ac79b/history. HTML: [/partnerships/kla-x-tsmc-semiconductor-equipment/history](/partnerships/kla-x-tsmc-semiconductor-equipment/history)._