{"id":"pivot-index-leftmost-guarantee","text":"`pivotIndex` returns the leftmost valid pivot index via early return on first match, not just any valid pivot.","truth_value":"IN","source":"entries/2026/06/06/find-pivot-index-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"pivot-index-leftmost-guarantee","truth_value":"IN","reason":"premise"}]}}