{"id": 2842, "prediction_verbatim": "Treasury yields higher in 48h", "created_at": "2026-04-07 04:14:34", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-09 04:23:23", "chain_hash": "3a03d52a8a20a8f6ebc985c40f88a008926d27dc3710e47fb283224ebb6d02cb", "chain_tx": "63EFVBc8TS7U4w3SwepJbCzUxLZYcXhi3EM4WVcriKHxaGGnUQPoarYk5fMFQGnHsX1FyoPfBuwCzhuHYDLUXBDg", "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."}