Adopted doctrine

Defined term

Occurred At

The timestamp when an external activity actually happened.

Reviewed: July 2026
Current state: Occurrence timestamps exist in events, correspondence, and observations.

Owning boundary: Applicable evidence or event record
Not equivalent to: Observed At · Recorded At
Verified identifiers: occurredAt

Occurred At is when an external activity happened, such as when a message was sent. It may be earlier than observation or recording.