{"id": 4934, "prediction_verbatim": "QQQ declines relative to SPY within 48h", "created_at": "2026-05-12 13:32:13", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-14 13:33:01", "chain_hash": "ff4754d2c61d5e074f2ff8972096b19bce5f5e142f537e95bb4d07d146fdd483", "chain_tx": "TxKVDKFoNVLW41V2Bs2h5Vqhyyw8eRBSc1wj2kUukjTpajf9srnWPSxEBiT9W95soUitDBtwru6fdMftz9hgTgs", "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."}