{"id": 4687, "prediction_verbatim": "MSTR, META, AMZN combined outperformance vs. S&P 500 reverses within 48h as market reprices insider signal as de-risking, not accumulation.", "created_at": "2026-05-08 18:11:16", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-10 18:18:00", "chain_hash": "045e20dae14e3f0bf55b5094be3eef9915f9cf283849dada9bec259acb7aac5f", "chain_tx": "3sN6Y76uN2iceJDt7MzFA3h3FwbAVanAzQT9hHuCfouZbd2KpQriswchidT4xUQPzhkUMwxPezfsXwZxhYWVcntA", "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."}