# Progressive x SIAA (Strategic Insurance Alliance) revision history

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

Partnership: [Progressive x SIAA (Strategic Insurance Alliance)](/partnerships/progressive-x-siaa-strategic-insurance-alliance.md)

## Recorded posture

- First recorded event: 2026-01-13
- Last material change: 2026-01-13
- 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/progressive-x-siaa-strategic-insurance-alliance/history. REST: /v1/partnerships/4689b66f-9581-4aea-9cdc-8603dca681cf/history. HTML: [/partnerships/progressive-x-siaa-strategic-insurance-alliance/history](/partnerships/progressive-x-siaa-strategic-insurance-alliance/history)._