{"id": 5264, "prediction_verbatim": "Corn futures rise above prior 48h close within 48h", "created_at": "2026-05-18 08:41:19", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-20 08:50:48", "chain_hash": "a42ab80bd0906355d67e4e139a9dbb665683fcb746adba852e5bfeb6f0876229", "chain_tx": "5mECEWJXA6GDsEQFDqF2ymEuFA8HuYtVEnGLhCKjk6Ybx1ZmzRbDeUrWQc3sGi7Z5fmd6CZ1X39c8zMEnMdVdJ28", "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."}