# TIER IV x JR Central (Capital Alliance) revision history

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

Partnership: [TIER IV x JR Central (Capital Alliance)](/partnerships/tier-iv-x-jr-central-capital-alliance.md)

## Recorded posture

- First recorded event: 2025-12-25
- Last material change: 2025-12-25
- Material event count: 1
- Editorial event count: 0

## Material events (1)

- **2025-12-25**: created (source: https://www.prnewswire.com/news-releases/tier-iv-forms-capital-and-business-alliance-with-jr-central-to-support-regional-development-through-rail-and-autonomous-driving-integration-302649433.html) (verified)

## 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/tier-iv-x-jr-central-capital-alliance/history. REST: /v1/partnerships/3eaecd0e-5ad3-4870-9542-8ef85c662482/history. HTML: [/partnerships/tier-iv-x-jr-central-capital-alliance/history](/partnerships/tier-iv-x-jr-central-capital-alliance/history)._