# SoftBank Group x OpenAI investment revision history

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

Partnership: [SoftBank Group x OpenAI investment](/partnerships/softbank-group-x-openai-investment.md)

## Recorded posture

- First recorded event: 2024-10-02
- Last material change: 2024-10-02
- 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/softbank-group-x-openai-investment/history. REST: /v1/partnerships/1cd9be99-b6b0-45e7-8b32-f7021f2551b1/history. HTML: [/partnerships/softbank-group-x-openai-investment/history](/partnerships/softbank-group-x-openai-investment/history)._