{"id":"chat-dual-ordering-scheme","text":"Messages carry both per-conversation sequence numbers (for pagination and read cursors) and global Lamport timestamps (for causal ordering), serving different purposes by design.","truth_value":"IN","source":"entries/2026/06/05/chat-system-chat_system.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"chat-dual-ordering-scheme","truth_value":"IN","reason":"premise"}]}}