{"id": 4512, "prediction_verbatim": "COIN outperforms PLTR by >2% within 48h", "created_at": "2026-05-05 19:10:20", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-07 19:11:05", "chain_hash": "6a63e3370127b7e3364fd3098e976ba74cb00180159753df1f52c85ad744c09c", "chain_tx": "SucrkCP7a7xiL3UTA42HA4CC4NhimWigqU9E4kyN4eKBDD1E8N1gbUoY9g1ZJuG1WHetfPWwYzHnLtTWc4RytGF", "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."}