{"id": 4105, "prediction_verbatim": "10Y Treasury Yield higher in 48h", "created_at": "2026-04-27 04:10:11", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-29 04:26:02", "chain_hash": "466800e5a22e47e2ac77c2075ba97bd913e00c90e51105b6e418f292a7f71ed4", "chain_tx": "Zv6S7oG7NXibRwRxeS6L2JKeKp3VZFAs17UFNeugMXtPEeNmcxZS6gcssUgs6tgFF5xmXFGDBoFsJTFDaTPmFFg", "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."}