# HEIDENHAIN x Siemens (DRIVE-CLiQ Encoders) revision history

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

Partnership: [HEIDENHAIN x Siemens (DRIVE-CLiQ Encoders)](/partnerships/heidenhain-x-siemens-drive-cliq-encoders.md)

## Recorded posture

- First recorded event: 2013-11-01
- Last material change: 2013-11-01
- 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/heidenhain-x-siemens-drive-cliq-encoders/history. REST: /v1/partnerships/32d6a4c8-8e56-4f94-a84d-c1fb244803fe/history. HTML: [/partnerships/heidenhain-x-siemens-drive-cliq-encoders/history](/partnerships/heidenhain-x-siemens-drive-cliq-encoders/history)._