{"id": 3400, "prediction_verbatim": "BTC will be higher in the next 24 hours.", "created_at": "2026-04-14 15:37:57", "direction": "up", "timeframe": "24h", "score": 0.25, "outcome": "Wrong \u2014 bitcoin moved -1.7% ($75,169 \u2192 $73,875)", "resolved_at": "2026-04-15 15:45:04", "chain_hash": "015b0007b1f03b1deaa5e5043427d65f215c718c4c5dabcda090f55d0104c1ae", "chain_tx": "3Nf1xA9Xr6wyw416EcbcwC1CZMQVVtwsFTBskjU8BnBHNw5QLxgoGiTBS7ryFPsWNMRcQYFDzDctZaJQsGBy4EdK", "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."}