# NVIDIA x 1X (Project GR00T) revision history

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

Partnership: [NVIDIA x 1X (Project GR00T)](/partnerships/nvidia-groot-1x.md)

## Recorded posture

- First recorded event: 2026-06-05
- Last material change: 2026-07-06
- Material event count: 2
- Editorial event count: 0

## Material events (2)

- **2026-07-06**: verification_state_change on `reviewStatus` `reviewed` -> `reverified` (source: https://www.1x.tech/discover/1X-NVIDIA-Research-Collaboration) (verified)
- **2026-06-05**: created (source: baseline:arc-g)

## 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.

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