# U.S. Department of Homeland Security revision history

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

Company: [U.S. Department of Homeland Security](/companies/us-department-of-homeland-security.md)

_No events on file. Arc G is forward-only; the recorded event log accrues from Arc G adoption (2026-06-04) and records material changes as they flow through the updateEntityField chokepoint. For the current state of this company, see the company page._

## 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/us-department-of-homeland-security/history. REST: /v1/companies/f42d91bb-020e-49f2-ad11-1e7143271516/history. HTML: [/companies/us-department-of-homeland-security/history](/companies/us-department-of-homeland-security/history)._