{"id": 4269, "prediction_verbatim": "Fertilizer futures (UAN contracts) will move up 8-12% in next 48h as market reprices from news cycle lag into pricing, while retail fuel prices remain flat (watchdog anchors expectations).", "created_at": "2026-05-01 12:09:45", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-03 12:15:07", "chain_hash": "c202e46598f322fbd45e66718efa5093c703f65e54b971caa77c66af25784fb7", "chain_tx": "Si6DfKKVSQtmcLZd94WiGbiLRnFdGh5GNVn9WSUFPvoJmpn2GdZdL5Z8z29ML9Ddkw5y5QQqmCi7inh7oLNVF9s", "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."}