# Autonomous Cat truck hit excavator at BHP Mitsubishi Alliance Goonyella mine after communications loss revision history

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

Incident: [Autonomous Cat truck hit excavator at BHP Mitsubishi Alliance Goonyella mine after communications loss](/incidents/collision-2023-08-01-caterpillar-mining.md)

_No events on file. Arc G is forward-only; the recorded event log accrues from Arc G adoption. For the current state of this incident, see the incident 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: /incidents/collision-2023-08-01-caterpillar-mining/history. REST: /v1/incidents/66748553-6793-49e0-8507-bf568b41d36e/history. HTML: [/incidents/collision-2023-08-01-caterpillar-mining/history](/incidents/collision-2023-08-01-caterpillar-mining/history)._