Every analytical action — parameter selection, data filtering, model execution, document generation — is logged with timestamp, user identity, and before/after values.
The audit trail is immutable and compliant with FDA 21 CFR Part 11 and ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, plus Complete, Consistent, Enduring, Available).
Audit records can be exported for regulatory inspection and include full data lineage from source data citation to final regulatory conclusion.