{"id": 3646, "prediction_verbatim": "SPY higher in 24h", "created_at": "2026-04-17 13:45:29", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-19 02:08:46", "chain_hash": "a9ffc620683d108045d8236a44b1be1611736133df549892b759cc1a5d0ee419", "chain_tx": "4TGYTRkRpgDcZpi3jxWWDA8JhJTH8rXVupS2DvXi2TqF9vD2UqwhFB2zJw2AUqm1h5EbhQ7xMRcxbWwiMEoePnc9", "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."}