# Johannes Hagemann revision history

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

Person: [Johannes Hagemann](/people/johannes-hagemann.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 person, see the person 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: /people/johannes-hagemann/history. REST: /v1/people/b3f53a9f-a07d-42a7-8b33-adbc09625d63/history. HTML: [/people/johannes-hagemann/history](/people/johannes-hagemann/history)._