# Data4 revision history

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

Company: [Data4](/companies/data4.md)

## Recorded posture

- First recorded event: 2026-10-13
- Last editorial change: 2026-10-13
- Material event count: 0
- Editorial event count: 3

## Editorial events (2)

- **2026-10-13**: field_updated on `sources` (source: db-trigger)
- **2026-10-13**: field_updated on `status` (source: db-trigger)

## 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/data4/history. REST: /v1/companies/04cff8e3-faa9-4090-89ac-f488496ca5d2/history. HTML: [/companies/data4/history](/companies/data4/history)._