{"id": 2605, "prediction_verbatim": "SPY closes higher in 48h", "created_at": "2026-04-03 16:50:24", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 17:14:12", "chain_hash": "eb5b7dbaafd61c8d16ca7e4126ee30d9dcbc6054e72a74f34c1b801ec3c2b1cb", "chain_tx": "4kJvmaa3HsjonNc1mWJswRJBEZv5iZAVSNE1BeQvsucJDA3rsDoAojhwZQ8aoHqMbEHqTU33M4os1YW5agZADQ1a", "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."}