{"id": 3302, "prediction_verbatim": "The Euro will increase in value against the US dollar in the next 48h.", "created_at": "2026-04-13 05:54:28", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-15 06:14:46", "chain_hash": "3c43143ee148e94f1940761a26490cf8aac2b3e2c6ab5cd1a1823bd4cee97c4c", "chain_tx": "2LCGVLLmF4wUP2VrQcDVosR5PMRiGuhXmBgkiwFjPFGXfThxEB1qZMzpp4i9jBrBV8H2zryKsAcXjY44AYkAAaZG", "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."}