{"id": 3619, "prediction_verbatim": "AMZN will be higher in 24h", "created_at": "2026-04-17 05:15:16", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-18 17:38:43", "chain_hash": "70b58ab831226a10115f2208a23e67369cff9cad1693693418a1140fca331a11", "chain_tx": "2DZ6wbNXWvcPUBBakb5LW4QttcKcYbyS9j3TiuvBkF3wwxJF3YLJmbn68rKhTT2QrLcKrAio8oTsxeZgDoRjkDVf", "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."}