{"id": 3469, "prediction_verbatim": "SPY higher", "created_at": "2026-04-15 10:44:50", "direction": "up", "timeframe": "24h", "score": 0.74, "outcome": "Correct \u2014 SPY moved +0.8% ($694 \u2192 $700)", "resolved_at": "2026-04-16 10:45:08", "chain_hash": "224643dcba71c55ab2823c270a9ba65309af413ef35acb8ba21b12d42fd7d940", "chain_tx": "4Nd2D9Uwd4w9Cz8AedwkYXyAUeynnBP95DoNojvrsvgheMMVxjcAn3fePKXbygTa24RVop8sehVWJcSQzZoLMrex", "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."}