{"id": 5454, "prediction_verbatim": "Brent crude lower within 48h if Iran-US deal negotiations remain active without collapse signal", "created_at": "2026-05-25 22:13:47", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-27 22:36:43", "chain_hash": "eea6482775954d0f03480af75039b8085d865eb6670a97b820a664e619cc5dfe", "chain_tx": "5Cwx1Rqry8gy37cAfpxXX8yig3nUeNzFsjEzVCnofmjSq3Ta8B9pTuEX59bN5aA3bMn9kdzLVtNTaH8dk4gYfqu4", "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."}