{
  "artifact": "aiops.evidence.v1",
  "notice": "SAMPLE ARTIFACT — generated for public demonstration. Production evidence is signed with per-tenant keys and anchored to an append-only hash ledger.",
  "assessment": {
    "id": "asm_sample_7f3d2e",
    "generated_at": "2026-07-17T00:00:00Z",
    "subject": {
      "system_name": "credit-risk-scorer (sample)",
      "model_version": "2.4.1",
      "risk_tier_eu_ai_act": "high-risk (Annex III §5b — creditworthiness)"
    },
    "frameworks": {
      "iso_iec_42001": { "controls_evaluated": 88, "controls_passed": 84, "score": "95.45" },
      "nist_ai_rmf": { "checks_evaluated": 72, "checks_passed": 69, "score": "95.83" },
      "eu_ai_act": { "obligations_mapped": 31, "obligations_satisfied": 28, "coverage": "90.32" }
    },
    "determinism": {
      "engine": "aiops-rules-engine",
      "arithmetic": "decimal",
      "reproducibility": "identical inputs yield identical scores and identical artifact hashes"
    },
    "evidence_chain": {
      "input_manifest_sha256": "3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855c",
      "ledger_anchor": "sample-ledger-entry-000001",
      "previous_artifact_sha256": null
    }
  },
  "signature_scheme": "Ed25519",
  "verification": "See https://oceks.com/evidence-sample for verification instructions."
}