{"id": 4396, "prediction_verbatim": "BTC lower in 48h", "created_at": "2026-05-03 17:45:06", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-05 18:10:35", "chain_hash": "e34515d7daaf12f1d7be009ae0f4a8b16ad349c7852edfe44ca63e459e436a2b", "chain_tx": "2QBaAs45YLzAS6qbAhFSga5HVUSW6PQTn6XG4BboB2PL6P1XNvcfvCzCV82j6zS4mVw7YHyV17uGwngrX15iLmNC", "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."}