{"id": 3785, "prediction_verbatim": "Negative sentiment toward Vercel will increase on Hacker News in the next 24h.", "created_at": "2026-04-19 16:38:54", "direction": null, "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-21 04:41:24", "chain_hash": "3ef6e346bead43918ffd392a01bdc069d4c615704aeea6dc323395c559ef57c3", "chain_tx": "afsMQ2BLGdmpzYbAxzo4JYJyCdYywmkhwxcWigUhFcUoDP9EhQiufbJsJuhP494HQ1APQXsaQaYqfuiEz5fTion", "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."}