{"id": 4130, "prediction_verbatim": "XLK (Technology Select Sector SPDR) closes higher on April 30, 2026 than April 28, 2026", "created_at": "2026-04-29 09:39:00", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 09:39:53", "chain_hash": "53150c12942c0b76a9177de730de9d5a907924529173873abe7cfac4bd564d7d", "chain_tx": "3cmHLNi4weRx1k3sbVPrbpuX9XKFkwByCjJjF5eANxAYA46hn4PJjXxswURcC2awnVKGoZZZneXRUszvRLnRtFSB", "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."}