{"id": 3113, "prediction_verbatim": "UnitedHealth stock price higher in 24h", "created_at": "2026-04-10 13:23:53", "direction": "up", "timeframe": "24h ONLY", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-12 01:24:07", "chain_hash": "dcc4a305ae945bbe6a0d8d8a20fd5daf179940575baeb7c779ac93f826f1376f", "chain_tx": "3Na2mFn8GQkqTK9HLmznt2NH5RvnZ5evjENTeSWfeM2DVDhHJGZrcYbYnnNc9Sr476z6Y7Vfr9wdvU8MXUAXtRx1", "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."}