EU AI Act · Evidence-first governance

Know what your AI did.Defend it when scrutiny lands.

The evidence layer for high-risk AI systems — so your teams can explain decisions, review incidents, and prove oversight.

EVIDENCE-FIRSTAUDITABLEDEFENSIBLETRUSTED
Evidence layer

Evidence layerLive product

The governance record your teams can defend

Decisions, review state, and exportable evidence in one operating view — built for scrutiny on high-risk AI systems.

Guardian — Evidence Dashboard

Live
Search decisions…
dcs_01842 · Credit scoring9:41 AM
Audit-ready
dcs_01839 · Hiring screen8:12 AM
Review needed
dcs_01836 · Claims AIYesterday
Evidence pending
dcs_01833 · Credit scoringYesterday
Audit-ready

Decision dcs_01842 · EU Credit Risk

Leu-credit-riskmodel: credit-v3.2 · 9:41 AMArticle 9
Evidence summary

Decision inputs captured, model version linked, human review recorded. Evidence completeness: 92%. Policy trace linked. Export-ready.

Decision ID: dcs_01842

System: eu-credit-risk · Model: credit-v3.2

Risk score: 0.81 · Action: manual_review

evidence-bundle-dcs_01842.zip

Evidence ingestion

Turn live events into review-ready evidence.

Turn product signals into defensible records — without rebuilding your MLOps or monitoring stack.

Send model metrics, review events, incidents, and system changes through lightweight APIs and webhooks. Guardian ingests what you already measure and links it to an audit-ready governance record.

  • Guardian does not replace your existing infrastructure.
  • Guardian ingests the events and metrics you already emit.
  • Guardian turns them into defensible evidence records.

Live evidence system

Live webhook

Webhook received

Decision event /eu-credit-risk/score

2.4 KB payload

Incoming payload

decision_id: dcs_01842

system: eu-credit-risk

model_version: credit-v3.2

risk_score: 0.81

action: manual_review

timestamp: 2026-05-13T14:09:12Z

Guardian processing

  •  Linking evidence
  •  Resolving reviewer context
  •  Checking policy coverage
  •  Updating decision record

Decision record updated

Decision
Credit scoring review
Evidence completeness
92%
Reviewer
Assigned
Policy trace
Linked
Status
Ingesting
Payload linkedModel version attachedHuman review path recordedAudit-ready trail
Review requiredAudit-ready trailResponse time reduced
Signal received
Linked in Guardian
Evidence complete

Scrutiny moment

Questions teams face under audit pressure

  • Decision trace

    Can you reconstruct an AI decision made 9 months ago?

  • Human oversight

    Can you prove human oversight actually occurred?

  • Regulatory scrutiny

    Would your current logs survive regulatory scrutiny?

Most AI teams cannot answer these questions months later. Guardian makes the evidence reconstructable, reviewable, and defensible.

Provable scenarios

What Guardian makes provable

Three high-risk AI scenarios. One evidence standard: defensible records.

What happenedWhat Guardian capturedWhat regulators verify

Hiring AI

What happened

An ML model scored 847 candidates for a logistics role.

What Guardian captured

Score rationale, feature weights, model version, review notes, and fairness drift signals captured at inference time.

What regulators can verify

Annex III Article 9 conformity record, reviewer sign-off, and fairness audit trail.

Evidence chain

Decision event

2026-05-14 · 09:41 UTC

Captured

Model version linked

hr-screen v2.4.1

Linked

Bias audit attached

Fairness run #884

Reviewed

Human review assigned

Reviewer sign-off locked

Reviewed

Export-ready record

Annex III evidence pack

Audit-ready

Credit Scoring

What happened

A credit model declined 1,200 applications in Q3.

Proof captured

Decision inputs, threshold state, override log, and model version reconstructed 9 months later.

Regulator view

Full decision audit trail + human oversight record.

Inputs capturedCapturedVersion linkedLinkedAudit-readyAudit-ready

Healthcare Triage

What happened

An AI triage system prioritized 340 patient cases.

Proof captured

Clinical input snapshot, model version, confidence score, and escalation record locked at decision time.

Regulator view

IVDR-aligned evidence bundle + accountability chain.

Locked at decisionCapturedEscalation tracedReviewedBundle exportAudit-ready

Operating loop

From signal to export — one defensibility record.

Guardian turns scattered AI activity into a structured record your team can review, explain, and export when scrutiny lands.

01

Signal

Captured

Production metrics, incidents, threshold breaches, and system changes arrive from existing tools.

  • IngestAPI + webhooks
  • Last eventThreshold breach
02

Review

Assigned

Responsible owners are assigned, review states are tracked, and oversight is captured.

  • OwnerRisk committee
  • StateReview open
03

Evidence

Linked

Metrics, context, model references, reviewer notes, and events stay linked to one record.

  • Artifacts14 linked
  • Model refv2.4.1
04

Export

Audit-ready

Audit-ready evidence packs can be prepared for internal review, customers, or regulators.

  • PackageAnnex III pack
  • FormatExport-ready

Integrations

Works where your AI runs.

Connect Guardian to your existing ML pipeline in minutes.

API, webhooks, monitoring events, model metrics, review signals.

Python SDK
REST API
Hugging Face
Azure ML
AWS SageMaker
Weights & Biases
Datadog
Snowflake

Guardian evidence layer

Audit-ready
  • Python SDK
  • REST API
  • Hugging Face
  • Azure ML
  • AWS SageMaker
  • Weights & Biases
  • Datadog
  • Snowflake

Readiness sprint

Start with one critical system.

Guardian helps your team map evidence gaps, assign owners, and create a defensible baseline before expanding across the AI portfolio.

  1. Start with one high-risk system
  2. Map the evidence needed for oversight
  3. Assign ownership and review cadence
  4. Leave with a baseline your team can maintain

Be ready before the questions land.

Most teams are live in 4 weeks. No infrastructure overhaul required.