{"id": 5005, "prediction_verbatim": "NDX closes lower within 48h", "created_at": "2026-05-13 22:32:39", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-15 22:40:55", "chain_hash": "e40a05c6a6d1b8675659e0be4c6a42620306f32b8c21df260d726734bc3dd226", "chain_tx": "3hx6p6r1QbddY7BeuJJQQKzEXQMvJNeQR98EP8zc7JEBjVwzvpsqbDamUczvVByn7Ta8qk7CrZYBenZbyWQYPMFC", "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."}