{"id":"integrity-degrades-along-storage-pipeline","text":"Data integrity verification degrades monotonically along the storage pipeline: WAL records have CRC checksums that exclude routing metadata (partial coverage), SSTables have no checksums at all (zero coverage), and neither layer can recover from detected corruption — data transitions from partially verified to completely unverified as it moves through compaction from WAL to SSTable.","truth_value":"OUT","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["integrity-checking-is-both-incomplete-and-unrecoverable","sstable-layer-compounds-integrity-and-performance-deficiencies"],"outlist":[],"label":"Integrity coverage drops from partial (WAL) to zero (SSTable) along the data lifecycle"}],"dependents":["verification-impossible-at-every-layer"],"metadata":{"last_reviewed":"2026-05-30T09:01:17","review_result":"pass"},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"integrity-degrades-along-storage-pipeline","truth_value":"OUT","reason":"SL justification invalid","failed_antecedents":["sstable-layer-compounds-integrity-and-performance-deficiencies"],"label":"Integrity coverage drops from partial (WAL) to zero (SSTable) along the data lifecycle"}]}}