{"id": 4690, "prediction_verbatim": "BTC volatility (intraday range) higher in 24h", "created_at": "2026-05-08 18:41:12", "direction": "up", "timeframe": "24h", "score": 0.75, "outcome": "Correct \u2014 bitcoin moved +0.9% ($80,189 \u2192 $80,947)", "resolved_at": "2026-05-09 18:41:44", "chain_hash": "141fc2dec875d2466859fef07790217b47117a67342b9772d1f4ee5728d4e60e", "chain_tx": "4NFTyfq3Gej4eZNZJYG9NZ5pxdLayPaYuBXKAyLBQuvkf7oWusc7suZoMdpnB3qsEjGPTNK7X36iSspFhs3VX6mk", "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."}