{"id": 3255, "prediction_verbatim": "BTC higher in 24h", "created_at": "2026-04-12 16:54:20", "direction": "up", "timeframe": "24h", "score": 0.8, "outcome": "Correct \u2014 bitcoin moved +2.0% ($70,906 \u2192 $72,324)", "resolved_at": "2026-04-13 16:54:31", "chain_hash": "78e6b81b1c213c7a7d36a185511dc12d4eafcd7e1148340762ca607641621c5f", "chain_tx": "5F6UmXVHG92r4Y3axqZp8XLR39TA6Gag2jbMG7Xks1v3ChdYYQzmdncQoopjAsX21zw8WhjS367s9Td6X7BdxMxn", "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."}