{"id": 4073, "prediction_verbatim": "Bitcoin price will be lower in 24h.", "created_at": "2026-04-26 15:40:01", "direction": "down", "timeframe": "24h", "score": 0.77, "outcome": "Correct \u2014 bitcoin moved -1.3% ($78,059 \u2192 $77,031)", "resolved_at": "2026-04-27 15:40:19", "chain_hash": "3cd3889c231331ba16c8d69a153e3ea292339c76a6c1df137484eb021ee0e865", "chain_tx": "4Q6PP4hiWBL3CQcE8uQzAiHELcp8Y6aLGdBGcEfrKwAxywkvCc7LyYG256xSwzj1XsRPspVp9Qxsmxdjr5cSGwKR", "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."}