{"id":"email-service-thread-id-is-first-msg","text":"Thread IDs are the message ID of the thread's first message, not a separately generated identifier.","truth_value":"IN","source":"entries/2026/06/05/distributed-email-service-email_service.md","source_url":"","source_hash":"","justifications":[],"dependents":["deterministic-ids-eliminate-coordination","special-cases-reuse-existing-abstractions"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"email-service-thread-id-is-first-msg","truth_value":"IN","reason":"premise"}]}}