{"id": 3244, "prediction_verbatim": "Gold prices higher in 48h", "created_at": "2026-04-12 13:54:19", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-14 13:59:52", "chain_hash": "d42873f7529c57eed03a2781cda64c859b2b6a7ba2435b7af6d35ed55c510243", "chain_tx": "61TFRYACa2Np96puCnEVDztXJ8umrLxoow4dX5Bw8H7BK7NsBbgceZNK6ZDBz5u2tHyeKQ5osSCkrKCepdZ93zaw", "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."}