# Harmonic Drive SE x ABB Robotics (Industrial Robot Joint Reducers) revision history

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

Partnership: [Harmonic Drive SE x ABB Robotics (Industrial Robot Joint Reducers)](/partnerships/harmonic-drive-se-x-abb-robotics-industrial-robot-joint-reducers.md)

## Recorded posture

- First recorded event: 2010-01-01
- Last material change: 2010-01-01
- 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/harmonic-drive-se-x-abb-robotics-industrial-robot-joint-reducers/history. REST: /v1/partnerships/cf09626d-242f-41a2-a166-bc4a65b52556/history. HTML: [/partnerships/harmonic-drive-se-x-abb-robotics-industrial-robot-joint-reducers/history](/partnerships/harmonic-drive-se-x-abb-robotics-industrial-robot-joint-reducers/history)._