# Isaac Sim revision history

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

Brain: [Isaac Sim](/brains/isaac-sim.md)

_No events on file. Arc G is forward-only; the recorded event log accrues from Arc G adoption (2026-06-04). For the current state of this brain, see the brain page._

## 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/isaac-sim/history. REST: /v1/brains/56c4182c-6b7a-4e1f-bb38-f3e64f51655a/history. HTML: [/brains/isaac-sim/history](/brains/isaac-sim/history)._