Cross-cutting

Append-only audit trail

Autonomy: L2
Meridian Trust Bank1 Nov 2025 – 31 Oct 2026

Immutable Audit Trail

Every action taken by both human auditors and the AI Twin is permanently recorded. Modification or deletion is cryptographically prevented.

Append-only verification: SHA-256 hash chaining active6 Verified Events
TimestampActorActionTarget ObjectState Delta
2026-11-14 09:12TwinCreatedTest result T-A518-02 (full population, 212 leavers)—
2026-11-14 09:13TwinDraftedFinding F-001 (A.5.18) · confidence 0.87—
2026-11-14 09:40Human · A. MenonEditedF-001 cause wordingDraft → Draft (v2)
2026-11-14 11:02Human · R. IyerUploadedEV-0164 vulnerability scan reports—
2026-11-14 15:31TwinRatedEvidence EV-0151 intake: accepted with gap—
2026-11-15 08:05TwinProposedSkill update draft TECH-8.15-LOGGING v1.3.0 from CR-01Under review