{"id": 2991, "prediction_verbatim": "SPY lower in 48h", "created_at": "2026-04-08 23:23:19", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-10 23:23:53", "chain_hash": "345617dbac5da8a3637be53f7ce49bcf2215f515d00f40919d70ab2be802c88f", "chain_tx": "2RojNSGazqc8gvMts3gHuLi5dTzuU9rcUnX3qCwKzEizkenUGBk85kx9piCQxnygPTHCPuHAW7DEWDrBiTnsu93H", "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."}