{"id": 4300, "prediction_verbatim": "MSTR trades higher on 2026-05-02", "created_at": "2026-05-01 20:45:35", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-03 09:15:09", "chain_hash": "f9137267ea6509f03462dd1846b47860230adf1011176249fefbe457320c4abf", "chain_tx": "2PTJKepu6GVqJFUD7a74t3ba1c7EPUABJFSyG7Q6CJeuyKTvxf6NNpx7FBcRP7qZVzaLQRS6ssnzjMBr48dqLAzV", "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."}