{"id":"advance-time-injects-external-watermark","text":"`advance_time(timestamp)` lets an external orchestrator push the watermark forward without receiving an actual event, enabling idle-stream handling and explicit trigger semantics; it rejects timestamps at or below the current watermark","truth_value":"IN","source":"entries/2026/05/29/topic-watermark-vs-processing-time.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"advance-time-injects-external-watermark","truth_value":"IN","reason":"premise"}]}}