{"id": 2414, "prediction_verbatim": "AMZN lower within 48h", "created_at": "2026-04-03 09:32:50", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 09:35:42", "chain_hash": "836342b3a70f7cb3f52f06674c2baa46ee1d8f846b932beb5c21bc39b0a64817", "chain_tx": "46UaZPPJGj42mLKis3AWR1GP9A6fBMvw9u99LkQ3ZHMDWKsiRGYMhu44irr9yjQ7mfhzcY2JFLHTP4Z5nskDSKm1", "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."}