{"id": 3653, "prediction_verbatim": "AMZN higher in 24h", "created_at": "2026-04-17 14:36:10", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-19 02:38:46", "chain_hash": "dd99265675d5057e14d1d737d1aca0835e96532bdb2ffa633b09cee94772fe0e", "chain_tx": "4H1eb4NwboMJbpdpDgGpZUsYYkTbbiQT6hRTAAzmj51GL1bm6zuAMyYvqUhHzr4uoGgaM9AtBtWor8kuMXxHTvWQ", "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."}