{"id":"sstable-has-magic-and-version","text":"The SSTable format (`sstable.py:10-11`) uses a 4-byte magic `b\"SSTB\"` and a 2-byte version field, making it the only binary format in the repo with format versioning","truth_value":"IN","source":"entries/2026/05/29/topic-wal-record-format-evolution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"sstable-has-magic-and-version","truth_value":"IN","reason":"premise"}]}}