{"id": 4225, "prediction_verbatim": "VIX higher in 48h", "created_at": "2026-04-30 09:39:37", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-02 09:44:51", "chain_hash": "23d7203ae3f2d1f076ea1ccf14cac07f330e9ec885cf4d5dcb53e42a75837d94", "chain_tx": "58tL6PtyM4VUrMim7QuwLaxyBVxayWrtPj6JP7PCETEYfjtJMwkGJEig5nrX1ey5cYksVXEdwbmrJwbjajyWnLiv", "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."}