{"id": 4170, "prediction_verbatim": "NVDA lower in 24h as margin compression narratives propagate to quant desks ahead of earnings season", "created_at": "2026-04-29 19:09:20", "direction": "down", "timeframe": "24h", "score": 0.88, "outcome": "Correct \u2014 NVDA moved -3.6% ($209 \u2192 $201)", "resolved_at": "2026-04-30 19:09:34", "chain_hash": "ffce93979b83e227773827330318f94b963e7663686155eaee1f5d8794e23d3f", "chain_tx": "4WU9bobCHXE2f8wW4ZVdxBFHyc7pEZ1bGWUDDhCHigAHwTL7TYfVDVGiG6Ffhd5VGL5vQdMQn4BwoLzAPTBJ7B4m", "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."}