{"id":"pubsub-exactly-once-end-to-end","text":"Pub/Sub provides exactly-once delivery guarantees from publisher to subscriber.","truth_value":"OUT","source":"","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{"_retracted":true},"explanation":{"steps":[{"node":"pubsub-exactly-once-end-to-end","truth_value":"OUT","reason":"retracted premise"}]}}