{"id": 3987, "prediction_verbatim": "BTC lower in 24h", "created_at": "2026-04-25 11:39:46", "direction": "down", "timeframe": "24h", "score": 0.28, "outcome": "Wrong \u2014 bitcoin moved +0.6% ($77,649 \u2192 $78,088)", "resolved_at": "2026-04-26 11:40:03", "chain_hash": "ce2b60a5720b9f897fc65a3043c312d6e966ca2fed2318e89ca3d8534e556e30", "chain_tx": "3iPdjm2noGGn8KL8D2fpckZKZ3i77DUFsC6u5wcsbw2eJQF6CvqeeRdjQGJRdjJYo4GnLiuQGVk7e19cugYDRxfB", "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."}