Audit evidence
Interactive Audit Vault & Tamper Inspector
Each event's fingerprint includes the previous event's fingerprint. Change any past entry and verification fails from that point on.
Demo data · fictional event · runs in your browser · nothing saved
- 1. Requirement published2026-03-02 09:14 · Buyer · Procurement Lead
Sealed fingerprint: …
- 2. Released to permitted suppliers2026-03-02 09:20 · System
Sealed fingerprint: …
- 3. Quote submitted2026-03-05 16:02 · Supplier · Bidder F
Sealed fingerprint: …
- 4. Conformance assessed2026-03-07 11:30 · Evaluator
Sealed fingerprint: …
- 5. Award approved2026-03-08 10:05 · Approver · Delegate L3
Sealed fingerprint: …
This demonstration illustrates the method. In the platform, audit rows are written by database triggers, cannot be edited by any user account, and are scoped to each organisation. VEYRA provides the evidence record; it does not certify statutory compliance. See Audit Trail.
See a structured procurement event end to end
Request a guided demonstration and we will walk through configuration, supplier release, comparison, approval and the audit record produced.