{"id": 2894, "prediction_verbatim": "NVDA higher in 24h", "created_at": "2026-04-07 20:44:38", "direction": "up", "timeframe": "24h", "score": 0.81, "outcome": "Correct \u2014 NVDA moved +2.2% ($178 \u2192 $182)", "resolved_at": "2026-04-08 20:53:19", "chain_hash": "55439842ff2674ef04ac3f350ae0e82aeb8365928859ff96a41485121847d67d", "chain_tx": "4cmipR7xC3CbK1shZWKFZPMPK7pJmp1mx4PKZegZ47JEqLtqY49V1M6GfqEQigV4rU1SKY2H5jEvivenMHtaiLY6", "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."}