{"id": 3534, "prediction_verbatim": "BTC lower in 24h", "created_at": "2026-04-16 05:45:00", "direction": "down", "timeframe": "24h", "score": 0.73, "outcome": "Correct \u2014 bitcoin moved -0.5% ($75,054 \u2192 $74,666)", "resolved_at": "2026-04-17 05:45:19", "chain_hash": "349e8ad2ef4ae52c92c83dbaa532aa09a5699d8c01d3439133e068c795f5fc0d", "chain_tx": "4BRmV1qwsqfeQA6xz8Z8xqHUEdfDJfmXNBZRydwys4m6y8Ek31t4mYqFNcg98w1N8sTgCDvfzo2N8Y6isPyGALsm", "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."}