# Cipher Mining x AWS 15-Year Lease Agreement revision history

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

Partnership: [Cipher Mining x AWS 15-Year Lease Agreement](/partnerships/cipher-mining-x-aws-15-year-lease-agreement.md)

## Recorded posture

- First recorded event: 2025-11-03
- Last material change: 2025-11-03
- 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/cipher-mining-x-aws-15-year-lease-agreement/history. REST: /v1/partnerships/58463fb2-11dd-4490-aa54-65154f89c0f4/history. HTML: [/partnerships/cipher-mining-x-aws-15-year-lease-agreement/history](/partnerships/cipher-mining-x-aws-15-year-lease-agreement/history)._