{"id": 3798, "prediction_verbatim": "Negative sentiment surrounding AI chatbots will increase on Twitter.", "created_at": "2026-04-19 19:38:58", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-21 20:02:16", "chain_hash": "7090cb19532f5121cddcd35213e24e53289ebcd426fe02ea64c50dddd09e2461", "chain_tx": "2Um6U5fBCsNVmdQ7inyGsUdvt59Ywh3oRFVMXsgbAAJiEfkh9Y1uBmoAqQRQhZLsU5tsABajiPjXpoajXCVvKod9", "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."}