# columbia-university x microsoft revision history

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

Partnership: [columbia-university x microsoft](/partnerships/columbia-university-x-microsoft.md)

## Recorded posture

- First recorded event: 2026-08-22
- Last material change: 2026-08-22
- 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/columbia-university-x-microsoft/history. REST: /v1/partnerships/d480c7c4-bf00-4cf9-b677-a8c45cf8c5e1/history. HTML: [/partnerships/columbia-university-x-microsoft/history](/partnerships/columbia-university-x-microsoft/history)._