OOF™ Origin Open Foundation™

Independent Methodological Authority

Architecture Ecosystem: Structured Reality Standards™
Architecture Family: ADIT® — Continuous Audit & Evidence Governance Architecture
Parent Standard: Evidence Integrity Standard
Operational Layer: Evidence Integrity Governance Layer
Category: Governance & Enforcement
Subcategory: Audit & Evidence Governance
Type: Parent Standard Module
Governed Space: Evidence Preservation
Version: 1.0
Status: Canonical · Open Module
Origin Date: 26 July 2026
Compatibility: OOF Methodology OS · GOA™ · OBIDENITY® · INTEGROS® · ORA™ · AGA™ · AIG® ·
CLIA® · MGIA™ · ASGA™ · RIS™
AI-Readable: Yes
Authority: OOF®
Protection: MIP™ — Methodological Intellectual Property
Canonical Language: English (UCL)

Governed Space

Evidence Preservation

Canonical Definition

Evidence Preservation Module defines the governance framework for maintaining
governed evidence in a continuously accessible, readable, protected, and
recoverable state throughout its complete lifecycle. It establishes
preservation principles, retention requirements, storage governance,
preservation controls, lifecycle protection mechanisms, and continuous
preservation assurance necessary to ensure that evidence remains available and
trustworthy whenever required for audit, investigation, operational
reconstruction, or independent verification.

Operational Role

Evidence Preservation Module governs the preservation layer of evidence
integrity by ensuring that governed evidence remains continuously available,
protected, recoverable, and operationally usable throughout its lifecycle.

Minimum Implementation Framework

1. Define Preservation Requirements

Identify retention periods, preservation objectives, storage requirements,
accessibility conditions, recovery expectations, and governance
responsibilities.

2. Define Preservation Methodology

Establish standardized procedures for preserving evidence, managing lifecycle
retention, protecting stored evidence, and maintaining long-term
accessibility.

3. Define Preservation Validation Logic

Define how preservation status is continuously evaluated by verifying evidence
availability, readability, recoverability, storage integrity, and lifecycle
compliance.

4. Define Governance Response

Establish governance actions for evidence loss, storage failure, preservation
degradation, retention violations, recovery failures, and corrective actions.

5. Preserve Preservation Records

Maintain preservation history, storage records, retention decisions, recovery
validations, governance approvals, and preservation assurance documentation
throughout the complete lifecycle.

Example Use Cases

Use Case 1 — Long-Term AI Audit

Scenario

An organization must preserve operational evidence generated by autonomous AI
systems for long-term regulatory audit requirements.

Application

Evidence Preservation Module governs retention, storage protection,
accessibility, and recovery of evidence throughout the required preservation
period.

Result

Governed evidence remains continuously available, protected, and suitable for
future audit, investigation, and operational reconstruction.

Use Case 2 — Critical Infrastructure

Scenario

A critical infrastructure operator must preserve operational evidence for
incident investigations occurring years after the original operational event.

Application

Evidence Preservation Module governs long-term preservation, controlled
storage, evidence recovery, and continuous availability throughout the
retention lifecycle.

Result

Evidence remains accessible, authentic, protected, and operationally reliable
regardless of the time elapsed since its creation.

Canonical Closing Statement

Evidence Preservation Module establishes the canonical governance framework
for preserving governed evidence throughout its complete lifecycle. By
governing evidence retention, storage, accessibility, recoverability, and
continuous preservation assurance, the module ensures that evidence remains
trustworthy, available, and suitable for audit, operational reconstruction,
accountable governance, and independent verification across all operational
domains.