Technical

Audit Trail

Immutable logs of inputs, prompts, outputs and system versions.

Definitions (2)

A secure, tamper-evident record containing inputs, prompts, system responses, model versions and relevant metadata to enable reconstruction, auditing and accountability of AI-assisted processes. The Guide requires maintenance of audit trails to support review, challenge, and independent audits of systems used operationally.

Comprehensive, tamper-evident records capturing key events across an AI system's lifecycle — including dataset versions, training runs, model updates, testing results, deployment decisions, and decision outputs — to enable audits, accountability, and regulatory compliance investigations.