{"id": 4284, "prediction_verbatim": "Gold futures (GC) bid higher within 48h as institutional safe-haven demand outpaces retail confidence erosion", "created_at": "2026-05-01 16:09:42", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-03 16:15:15", "chain_hash": "0f67ee98092a768382905b3b1d0ed45fc8ded150842984bb86fc6a4aacaaf3c0", "chain_tx": "3QicqBSxdJUdj9PidiJhApniw1HsbQqyEVS6WU2fdMuStsZu4DNUxeD5aJVQ3HHrMHnFyxCgEWm27UbDAagnDbii", "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."}