{"id": 3111, "prediction_verbatim": "MSFT lower in 24h", "created_at": "2026-04-10 12:53:45", "direction": "down", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-12 00:54:13", "chain_hash": "5da8579d3bcd59c3c76956d72ff0f664c12ab17ec28a3caaee4470d09c51bb16", "chain_tx": "5f58fNhtuSTygcaiC58FyodZJZMieab9T6uBCgZjKwu16BqQnREbUoyTkCVSmoXN3qxcfKhVYqhok8Po5VgDA4cY", "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."}