{"id": 3937, "prediction_verbatim": "QQQ lower in 24h", "created_at": "2026-04-24 09:39:25", "direction": "down", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-25 21:39:50", "chain_hash": "85c636881fd603a6ea2f2780b80c3baa80ef4909211bf12422eb1b8cb01ade7a", "chain_tx": "3bLY8j4BheWmEaocEMqKwBET9gJhspdXiRkFx1Yas6iafs6Yrt6NVmWYsuqirCJJky1ouQVB2ZZhMzcbNUFekhZX", "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."}