{"id": 3913, "prediction_verbatim": "S&P 500 lower in 24h", "created_at": "2026-04-23 23:39:15", "direction": "down", "timeframe": "24h", "score": 0.17, "outcome": "Wrong \u2014 NVDA moved +4.3% ($200 \u2192 $208)", "resolved_at": "2026-04-24 23:39:35", "chain_hash": "3ca799d276c8adfac405b84aa0ef0c6b1840727b2d8ac092c7374a2b16dae793", "chain_tx": "5SWGXX96zBtZfamFYXQEvxt3GneP4azkehGnitRfXLvCU7ZP1bAHdKE1eTdmTXs4x7qZKuB74973XLpdZRyPWaLn", "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."}