{"id": 2818, "prediction_verbatim": "The Iranian Rial will weaken against the USD.", "created_at": "2026-04-06 18:44:24", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-08 18:53:19", "chain_hash": "469a3e73c94c541be349164355362d0265b72ac9d6a1d4622be85bfd63fd72ec", "chain_tx": "4g9FZEUmUJ6c5BZiF9jHiTwgaaTuBw71rng6VfvusqUG29nAb3PdjBXvu4QkBR19dgcL7HoNutcKp2Ao5bekYgFt", "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."}