# BUZZ HPC, Cohere and Bell AI Fabric sovereign GB200 cluster revision history

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

Partnership: [BUZZ HPC, Cohere and Bell AI Fabric sovereign GB200 cluster](/partnerships/buzz-hpc-x-cohere-x-bell-sovereign-gb200-cluster.md)

## Recorded posture

- First recorded event: 2026-06-18
- Last material change: 2026-06-18
- 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/buzz-hpc-x-cohere-x-bell-sovereign-gb200-cluster/history. REST: /v1/partnerships/2edb963c-8a04-4ac5-a227-fdabcf9d0871/history. HTML: [/partnerships/buzz-hpc-x-cohere-x-bell-sovereign-gb200-cluster/history](/partnerships/buzz-hpc-x-cohere-x-bell-sovereign-gb200-cluster/history)._