{"id": 3131, "prediction_verbatim": "VIX higher in 24h", "created_at": "2026-04-10 18:23:58", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-12 06:24:12", "chain_hash": "58105e8c692777ceb2df0c85c5e785d5c6ae45f8f828b8dd7c4ee03196bfbc49", "chain_tx": "48GpoQopmync7cyyKocBHefMU3YjbH2wbvoLRn44MTiaGgRcDykzZRmQffKTY5nq9j9QGrM7P9fWPTERSm1tv2gW", "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."}