{"id": 3441, "prediction_verbatim": "BTC higher in 24h", "created_at": "2026-04-15 03:44:48", "direction": "up", "timeframe": "24h", "score": 0.75, "outcome": "Correct \u2014 bitcoin moved +1.0% ($74,249 \u2192 $75,000)", "resolved_at": "2026-04-16 03:45:04", "chain_hash": "27627ecdbcd9b12625cbca618ecfa344b212f9269ada53cd5ec1bc0ee884085c", "chain_tx": "5oRD3za5gvshBb3mE65yQq7TpR64cVrh5TfkZLPpgogw8Ym8tcMafH4oJX1uNKSLhsKTp2kKNRoBQt33aJ9sd6NB", "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."}