{"id":"gcs-data-durability-conditional-on-key-governance","text":"GCS's eleven-nines durability guarantee is conditional on encryption key availability: with default Google-managed encryption, durability is unconditional; with CMEK, key destruction permanently renders data inaccessible (crypto-shredding); with CSEK, key loss means permanent data loss — higher customer encryption control inversely correlates with unconditional durability.","truth_value":"OUT","source":"","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{"_retracted":true},"explanation":{"steps":[{"node":"gcs-data-durability-conditional-on-key-governance","truth_value":"OUT","reason":"retracted premise"}]}}