{"id": 2692, "prediction_verbatim": "IWM closes lower in 48h relative to SPY (small-cap underperformance widens)", "created_at": "2026-04-03 20:07:27", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 20:14:14", "chain_hash": "26c27c9f8751ccfa8f46e11a85da7290fbf1cd8ee319b3121ae2c6cddfa17eae", "chain_tx": "xTkM8Zf2ySazmLa9x4FbYNd1AVYYfSb1okouoRHZ5kFmubNynM6DzbqBRnhyXGf6LRwgZBzjnpECvayntLRSQrh", "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."}