{"id": 2902, "prediction_verbatim": "NVDA higher in 24h", "created_at": "2026-04-07 22:44:40", "direction": "up", "timeframe": "24h", "score": 0.81, "outcome": "Correct \u2014 NVDA moved +2.2% ($178 \u2192 $182)", "resolved_at": "2026-04-08 22:53:22", "chain_hash": "ab4072f6059eb9f02367f131578e320e3498af566588c24426f1dd254e0d120c", "chain_tx": "BL4FvHHE35RM6Re2A7Te6HrWGPocFszGSWq6vChbqdPFsrWbCUt9pLQoEk3po9mY8C2DiuNTUuNm2td6kxwQSDv", "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."}