# Vertical Data revision history

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

Company: [Vertical Data](/companies/vertical-data.md)

## Recorded posture

- First recorded event: 2026-10-13
- Last editorial change: 2026-10-31
- Material event count: 0
- Editorial event count: 2

## 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. To restate a recorded change, write a new event through the updateEntityField chokepoint.

_Canonical URL: /companies/vertical-data/history. REST: /v1/companies/a0a64969-3d7f-41d0-9c20-2ac24973f584/history. HTML: [/companies/vertical-data/history](/companies/vertical-data/history)._