{"id": 5224, "prediction_verbatim": "BTC higher within 48h", "created_at": "2026-05-17 17:11:09", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-19 17:20:31", "chain_hash": "29d10adb04e4b1a462c601f67bdf2c218d47b5b7dd3a0de25e5f42c882e60ca3", "chain_tx": "3vyMqABZgEYYXH1qArrj3MG9k7xuBvawkgH6NUtwaUk6TE4DNzjZeSX5kMi1RvhK2AaD3PmbZaz9uvNhF3Ejir7R", "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."}