{"id": 5372, "prediction_verbatim": "BTC higher within 48h on Fed dovish signal + Bitcoin Index options approval institutional tailwind", "created_at": "2026-05-24 03:59:42", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-26 04:06:12", "chain_hash": "9d149ea3fa93a0d05045ea32a60874b0d0e8ffe3c8b06f8035001359f4a0a079", "chain_tx": "32XVhvfNoxKUj6xVFXidk9Y1dTKGwVEoTf1f1B2F75LUEUkr1567K5hLwKh25bK7oCZjFE7UgzsxhjuLJGuMnxYy", "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."}