{"id": 4369, "prediction_verbatim": "BTC lower within 48h", "created_at": "2026-05-03 09:44:55", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-05 10:10:27", "chain_hash": "6c898e0c5deae34c0b44a4f92e8895ddfdd1f6166e4e30c0c147b536e576b1f5", "chain_tx": "5xhy8UY3r54WKunCL73P21e3ndJvf9sPQJ9Katvme46UmF8EtoegztgqkT5Fp7xHBpSHh4odpT7HdrknMxXUwtnA", "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."}