# UBTECH x China-Vietnam border crossing Walker S2 deployment revision history

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

Partnership: [UBTECH x China-Vietnam border crossing Walker S2 deployment](/partnerships/ubtech-x-china-vietnam-border-crossing-walker-s2-deployment.md)

## Recorded posture

- First recorded event: 2026-07-01
- Last material change: 2026-07-01
- 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/ubtech-x-china-vietnam-border-crossing-walker-s2-deployment/history. REST: /v1/partnerships/a97b1964-0bc7-4f54-91b2-328e16346be8/history. HTML: [/partnerships/ubtech-x-china-vietnam-border-crossing-walker-s2-deployment/history](/partnerships/ubtech-x-china-vietnam-border-crossing-walker-s2-deployment/history)._