Assurance change and evidence preservation hold example

Synthetic package-governance example — no real investigation or vulnerability disclosure.

The hold is a preservation control and does not prove wrongdoing, defect, misconduct, vulnerability, liability or failed assurance.

Scope and authority

Field	Value	Canonical record
Classification	PUBLIC	—
Authority ID	EVI-IRAUTH-001	—
Responsible institution	National Engineering Directorate	—
Effective date	2026-08-07	—
Review date	2027-02-07	—

Reason: Preserve evidence needed to reconstruct the release decision and ensure prior hashes are not silently rewritten.

Suspends ordinary deletion under EVI-RET-007 and EVI-RET-012; does not imply a security incident or wrongdoing.

Non-proof: The hold is a preservation control and does not prove wrongdoing, defect, misconduct, vulnerability, liability or failed assurance.

Release after successor evidence is published, affected claims are dispositioned and no review remains open.

No secret, credential, private topology or exploit detail is included in the public hold record.

2026-08-07 · 1.0 — Published the active synthetic assurance-evidence preservation hold.

Responsible authority: Public Assurance Evidence Registry.

This synthetic hold example preserves public governance metadata without exposing real parties or evidence.

Revision date: 2026-08-09. Public corrections may be initiated through the diplomatic contact route.