# Field Foundation Models (FFMs) revision history

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

Brain: [Field Foundation Models (FFMs)](/brains/field-foundation-models.md)

## Recorded posture

- First recorded event: 2026-06-03
- Last material change: 2026-06-03
- Material event count: 1
- Editorial event count: 0

## Material events (1)

- **2026-06-03**: 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.

_Canonical URL: /brains/field-foundation-models/history. REST: /v1/brains/1b345ba7-3f62-4e8a-9009-e9d56535557d/history. HTML: [/brains/field-foundation-models/history](/brains/field-foundation-models/history)._