# Tiancheng Lou revision history

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

Person: [Tiancheng Lou](/people/tiancheng-lou.md)

## Recorded posture

- First recorded event: 2026-06-05
- Last material change: 2026-06-05
- Material event count: 1
- Editorial event count: 0

## Material events (1)

- **2026-06-05**: created (source: baseline:arc-g)

## 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/tiancheng-lou/history. REST: /v1/people/3d9516c5-9f67-49da-8bd8-4c0d14dc57c2/history. HTML: [/people/tiancheng-lou/history](/people/tiancheng-lou/history)._