{"id": 2547, "prediction_verbatim": "SPY lower in 48h as breadth deteriorates", "created_at": "2026-04-03 14:29:57", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 14:44:12", "chain_hash": "cab0538c23b287de9ff713cecf7d6120aa25f1d4e4c88ad89a6f2764b714a901", "chain_tx": "tRNyuryJgLXFhbaVA6tAdXRfKx3JmzMLTEmVnqj2j5fFmih2uSxy6v7TMjeodu8pe9281dYk9QzDeqr6Bs7VbKs", "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."}