Revision history
Zhang Songgen revision history
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 Zhang Songgen see the person page.
Person
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.
Machine-readable: /people/zhang-songgen/history.md + REST /v1/people/9eabde59-fc93-4fd3-8d7f-a9d65822f74e/history.