{"id": 4094, "prediction_verbatim": "Negative sentiment towards AI safety will increase on Hacker News in the next 24h.", "created_at": "2026-04-26 22:10:06", "direction": null, "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-28 10:10:34", "chain_hash": "be3a6085d8cbf13356d650f6147c230a4aa41ce3378754aa638385340a817cde", "chain_tx": "66uCrYsU4xNkcAULisDDpTjWUKBAWHpYy9KAPFtRpTVVNH2X2sVN2sSi3JmQopg8Zv6vW4T6S42yayEWfFz5KkSi", "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."}