{"id": 4976, "prediction_verbatim": "Semiconductor sector volatility will increase (wider bid-ask spreads, higher intraday swings) within 48h as sell-side downgrades cite demand softening + labor cost pressures", "created_at": "2026-05-13 06:02:33", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-15 06:10:46", "chain_hash": "7948bd636d69ddaed77c0ef239f68d123a902ebcaa025c5c83b31026132cd08f", "chain_tx": "3uhAWXHRciCRvV3TrGiqRVsdJfghcvgdsw69qBh4FHzyiABp4nciLSPiPw31jBWGdLxZomgyLuh9nCwJp24L7oDN", "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."}