# Alphabet Google x Hanson Robotics (Sophia Speech Recognition AI) revision history

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

Partnership: [Alphabet Google x Hanson Robotics (Sophia Speech Recognition AI)](/partnerships/alphabet-google-x-hanson-robotics-sophia-speech-recognition-ai.md)

## Recorded posture

- First recorded event: 2018-01-01
- Last material change: 2018-01-01
- 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/alphabet-google-x-hanson-robotics-sophia-speech-recognition-ai/history. REST: /v1/partnerships/dc38fb80-39dd-45b5-b821-6d273a7c418f/history. HTML: [/partnerships/alphabet-google-x-hanson-robotics-sophia-speech-recognition-ai/history](/partnerships/alphabet-google-x-hanson-robotics-sophia-speech-recognition-ai/history)._