{"id": 4047, "prediction_verbatim": "BTC lower in 24h", "created_at": "2026-04-26 08:39:58", "direction": "down", "timeframe": "24h", "score": 0.73, "outcome": "Correct \u2014 bitcoin moved -0.7% ($78,179 \u2192 $77,638)", "resolved_at": "2026-04-27 08:40:15", "chain_hash": "eec406566fb3419ea1d5b92ace0baadcf563760ca4491459900c07a3a65f42f1", "chain_tx": "4fwoZKUS7AMPBkCncj919SGbWCwX1s34N1sPVSGgvkHSJAvmrChDpy6xxRDKv5PuECtvVx5dKg7HP3N271BG1nsj", "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."}