{"id":"lsm-wal-has-no-integrity-check","text":"The WAL in `log-structured-merge-tree/lsm.py` uses only length-prefix framing with no CRC or checksum; a single bit flip in the length field causes silent data corruption or misaligned reads","truth_value":"IN","source":"entries/2026/05/29/topic-block-aligned-wal-records.md","source_url":"","source_hash":"","justifications":[],"dependents":["lsm-crash-recovery-impossible-without-manifest","lsm-wal-strictly-weaker-than-standalone-wal"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"lsm-wal-has-no-integrity-check","truth_value":"IN","reason":"premise"}]}}