{"id": 4990, "prediction_verbatim": "US 10Y yield higher in 48h", "created_at": "2026-05-13 16:32:43", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-15 16:40:53", "chain_hash": "69c6592a7b2037772e94a09b8e4772388c7ca0f6149f8c3ce40661c3f568f98d", "chain_tx": "4FYU1uDRe61w8rKxnkVhhngQbwsurjP3f2a8dwNUhhNo3Mjx4iQCpJKqFzgQXbXjk3ZeFJtLZAXspCQKnW7ZuNo9", "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."}