{"id": 4554, "prediction_verbatim": "META and AMZN both trade lower (down >0.5%) within 48h as insider filing cascade triggers institutional rebalance", "created_at": "2026-05-06 10:40:35", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-08 10:41:21", "chain_hash": "5613a3de1bddb1c2bd60eb5e8ec2c0706894ed9facdce437b03075a6a675caca", "chain_tx": "4Hnm1bpS3HkKjnh3cmtJiDQhwZVmmzYnNsD9ViDEVnoKVPYWFxaCxCrwqoNVXd8uYZfkETWxrF7Ly5KmHyPSyGSk", "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."}