{"id": 2519, "prediction_verbatim": "QQQ closes higher in 48h", "created_at": "2026-04-03 13:31:04", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 13:44:10", "chain_hash": "60d51d12fc49fc46ab8fc78968b6856b350f15fda2a8e280f4b4f04c25f38e20", "chain_tx": "4X4TwB9ZVKwU3snGEuMqEkdiUcmEZEczvuyUn75N6hsWUfgwAHe6jgrz8kc6PY2YxVvEMXnrZaKr8AeUMx32zFEf", "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."}