{"id": 4390, "prediction_verbatim": "Bitcoin price lower in 24h", "created_at": "2026-05-03 15:45:00", "direction": "down", "timeframe": "24h", "score": 0.26, "outcome": "Wrong \u2014 bitcoin moved +1.4% ($78,686 \u2192 $79,774)", "resolved_at": "2026-05-04 15:45:47", "chain_hash": "039784516b679b4ecd7194a1c400c797340971c4f85ee0975d3341b0aa3fa4cf", "chain_tx": "3Aw1yUAJBW4DLcAD2188gVE1qjZR2hLM973iVsDSzCf7Uz3TmaxHTvQG4kxUSXWRVE9sLu2PBrpcrBUMYrrwCEk1", "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."}