{"id": 4615, "prediction_verbatim": "META and AMZN close lower within 48h of Form 4 filing date", "created_at": "2026-05-07 14:40:56", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-09 14:41:38", "chain_hash": "cb5cf819d2599e7bb29ff13b1663761590f30e47f59d67096d922cc8b1cff7b2", "chain_tx": "4sy3B8eDhCATA69toD2eJsJqdmBC5RbW5GiPSKQwLG4M2v1JBDWhA8Skqohsk6RyNnyy7a22xMsCzjLjXBTJ4xd", "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."}