{"id": 2451, "prediction_verbatim": "QQQ lower in 48h", "created_at": "2026-04-03 10:59:06", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 11:14:15", "chain_hash": "79e83b9d1482aaae8bc349ea0af1f510cffc071a5441d8c47bea4ebb856e3906", "chain_tx": "a6fNM8WCD9RGnhWby6fwXjNphbxf3s6kNiJXQQf8fn7UWHS947E29aoSd39A3dUnNfbpTnDCy1EHK8E5Go7c4Kx", "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."}