{"id":"pubsub-exactly-once-expired-ack-returns-invalid-argument","text":"Expired ack IDs return INVALID_ARGUMENT for exactly-once subscriptions (unlike regular subscriptions which return OK).","truth_value":"IN","source":"entries/2026/03/10/pubsub-exactly-once.md","source_url":"","source_hash":"3c5f94941b0ef9cb","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"pubsub-exactly-once-expired-ack-returns-invalid-argument","truth_value":"IN","reason":"premise"}]}}