{"id": 3134, "prediction_verbatim": "AMZN higher in 24h", "created_at": "2026-04-10 19:23:50", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-12 07:24:10", "chain_hash": "088380c99d8958ff8538f6f7ec783b33eb218bc7194a66c20434265105060400", "chain_tx": "2MhuYaLVA77jbtrKXGCCAXEh6ZKfgrmXDDhKyrECLBhLud73qGEtvj7XzAP675XZCuSAKitEUPFFH8g8UE3zrKZ2", "verify": "sha256(f'{prediction_verbatim}|{created_at}|{id}') must equal chain_hash, and the Solana tx memo must read 'workshop:pred:<id>:<chain_hash>' with a timestamp BEFORE resolved_at. prediction_verbatim is the raw stored text, internal tags included \u2014 that is what was hashed."}