{"id": 2924, "prediction_verbatim": "BTC lower in 24h", "created_at": "2026-04-08 07:07:28", "direction": "down", "timeframe": "24h", "score": 0.75, "outcome": "Correct \u2014 bitcoin moved -0.9% ($71,658 \u2192 $70,994)", "resolved_at": "2026-04-09 07:23:31", "chain_hash": "343da968ad343291f4cf46e5827f625cd0c5b0ff32bca99d28e846e3002c2c1c", "chain_tx": "55NThuxL9xjNiV1zDWMZDHPCqDwPT1C5BrkmiHFxjH5J5j7C1BAaUkbvtU1EYCFLQqUXsiCopa24JbgxxGwNMsxS", "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."}