Revision history
Hitachi Building Systems revision history
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 Hitachi Building Systems see the company page.
Company
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.
Machine-readable: /companies/hitachi-building/history.md + REST /v1/companies/411e5a8b-0569-420b-b78e-14a9d3fc47d9/history.