{"id": 3289, "prediction_verbatim": "Urea prices higher in 48h", "created_at": "2026-04-13 02:24:27", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-15 02:44:53", "chain_hash": "576d8a6465f387f1a959b897c8e5bc23900fc7de5dfdf168b5042ddffd3d9e0c", "chain_tx": "34TgLsLJNtzRHH2W31GnLqvhLEM6VQGnALVyBsge6JBKUMsviHowGdw24msPn4WKpTB8o82CSiYTsQTb3P8FPKwK", "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."}