{"id": 4435, "prediction_verbatim": "BTC higher in 48h", "created_at": "2026-05-04 08:45:41", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-06 09:10:38", "chain_hash": "f53e3b968d3f080edf6d9daa0852843fa06a52ddbe097a729a3b20f8921841e3", "chain_tx": "5Josw15o6fGnPYmCixeaCS9JJsKxEJG2ZQVLqPfUSVP2WGnLzGXtx6pxzzy4RxVcXJ8ydse6L4Cm4rjpXrNFrWY3", "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."}