{"id": 4991, "prediction_verbatim": "US 10Y-2Y spread widens (becomes less inverted) in 48h", "created_at": "2026-05-13 16:32:43", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-15 16:40:53", "chain_hash": "14631d0810c4af55d84852481498a20f69c8a85d24d5247577169fd765a0defe", "chain_tx": "4i5x6S38FJi6JwpGvgedwUVwXDqPp3GwpVmY5zPJHfGVQU5nvbqQexjPNDVm1zLyD4zzg5JNW4uQ5knpBJUALNsW", "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."}