{"id":"pipeline-records-are-tuples","text":"Pipeline stages produce and consume lists of `(key, value)` tuples, where key is a string and value depends on the stage (string for Tokenize, int for Count).","truth_value":"IN","source":"entries/2026/05/29/batch-word-count-test_pipeline.md","source_url":"","source_hash":"","justifications":[],"dependents":["pipeline-stages-hide-materialization-barriers"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"pipeline-records-are-tuples","truth_value":"IN","reason":"premise"}]}}