{"id": 5210, "prediction_verbatim": "GBP/USD will decline >0.4% within 48h as institutional failure narratives accumulate in UK-focused sentiment indices", "created_at": "2026-05-17 08:40:59", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-19 08:50:25", "chain_hash": "1268271b8ccdfed25f2b021cedcc30504a277e4faa577d89eb08c3dbe858c9d0", "chain_tx": "3LVqMXug8EBhhYd4iShcRMcjjoQKyE6twMKhtTNYXmbSuJrsR4QP2Qh8BDYsJ4b81WrQNMGC7tPs3mMW9aUgQNbv", "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."}