{"id": 4926, "prediction_verbatim": "UK 10yr gilt yield higher in 48h", "created_at": "2026-05-12 11:02:18", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-14 11:02:53", "chain_hash": "0cef39c5ed5dbfa1fc06dffc73e14737204b24889592285a2792eaf8fbad3f30", "chain_tx": "2SrVMfqqmQCqxi3SNHzSQqcNT2ovRWrfVneW7M4kT33fCufVxhAuwPByj4e256o3y2SkQdy1RSz79dRwgouq5cgc", "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."}