# Dr Yandong Eric Guo revision history

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

Person: [Dr Yandong Eric Guo](/people/dr-yandong-eric-guo.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/dr-yandong-eric-guo/history. REST: /v1/people/8aaa35de-8545-4581-9d2e-87a29b8e944f/history. HTML: [/people/dr-yandong-eric-guo/history](/people/dr-yandong-eric-guo/history)._