{"id": 4573, "prediction_verbatim": "Bitcoin price higher in 48h", "created_at": "2026-05-06 18:10:33", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-08 18:11:28", "chain_hash": "5d415d034495e864659ca669e0a05b49b2adaacb5a82560e6969ca3e49921a7b", "chain_tx": "4qVsTD2E8EQ9bBuFSqj44FR51titwcZzsManEL8V5zeXA6pBPizm4WdRLdLfXShvprJmcchEtv4jZqwU9Px6WiaS", "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."}