{"id":"gcs-four-dimensional-management-surface","text":"GCS operational management spans four largely independent dimensions: storage class economics with lifecycle automation, data protection via defense-in-depth across object/namespace/encryption layers, namespace security requiring organizational controls, and cross-service CMEK key governance where a single key destruction voids eleven-nines durability across GCS and every other CMEK-protected service — the fourth dimension is invisible in GCS-specific tooling but dominates the durability guarantee.","truth_value":"OUT","source":"","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{"_retracted":true},"explanation":{"steps":[{"node":"gcs-four-dimensional-management-surface","truth_value":"OUT","reason":"retracted premise"}]}}