# Cohu x CHPT (Probe Card Interface) revision history

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

Partnership: [Cohu x CHPT (Probe Card Interface)](/partnerships/cohu-x-chpt-probe-card-interface.md)

## Recorded posture

- First recorded event: 2022-12-13
- Last material change: 2022-12-13
- 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/cohu-x-chpt-probe-card-interface/history. REST: /v1/partnerships/390c8a11-5139-4361-98c8-3ed7da1f09e3/history. HTML: [/partnerships/cohu-x-chpt-probe-card-interface/history](/partnerships/cohu-x-chpt-probe-card-interface/history)._