Every Annex C implementation specification carries acceptable patterns and named anti-patterns. The standard ships with reference Terraform, OPA Rego, Kyverno, Helm, Pulumi, CDK, GitHub Actions, and Argo CD modules. Below - four representative samples.
# RING:1001 ED-2 , Build & Release Environment Governance
steps:
- name: gcr.io/cloud-builders/docker@sha256:8dc210db...
args: ['build', '--tag', 'us-central1-docker.pkg.dev/$PROJECT/ifo4/app:$SHORT_SHA', '.']
# MUST: pinned digest, never :latest
# MUST: scan before push# RING:1001 EG-3 , MFA Enforcement
# RING:1001 PC-3 , Least Privilege IAM
resource "google_iam_workload_identity_pool" "github" {
workload_identity_pool_id = "github"
display_name = "GitHub Actions WIF"
}
# MUST: zero static service-account keys# RING:1001 OA-1 , Universal Tagging Standards
package ring1001.required_labels
deny[msg] {
required := {"owner", "cost-center", "environment", "team", "data-classification"}
missing := required - {l | l := input.review.object.metadata.labels[_]}
count(missing) > 0
msg := sprintf("missing required labels: %v", [missing])
}{
"ring": "ring-4-ownership-attribution",
"control": "OA-1",
"resource": "//cloudresourcemanager.googleapis.com/projects/ifo4-prod",
"status": "non-conformant",
"evidence": {
"expected": ["owner","cost-center","environment","team","data-classification"],
"found": ["owner","cost-center","environment"]
},
"anchor": "0xabc...",
"captured": "2026-04-24T17:38:12Z"
}SHA-256 of RING:1001:2026 v1.0 is anchored to Ethereum Sepolia and entered into the IFO4 Audit Log at issuance. Telemetry events emitted by conforming organizations carry source-signing per the spec; integrity preserved end-to-end from system event → audit deliverable.