{"id": 3310, "prediction_verbatim": "AAPL higher in 48h", "created_at": "2026-04-13 09:54:30", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-15 10:14:55", "chain_hash": "62faf05b1625008222de8cc431820ab5d602d399a65bb43e683d662f7b832ce7", "chain_tx": "5L61bUGn2xH8xrDkYYCxK7RU8SSATHWSXq24v6m5XEf1GmzieaCgb3R8hVm1vGLRHKnuS5dfPzr4vocjKijAph5W", "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."}