{"id": 4473, "prediction_verbatim": "BTC higher in 48h", "created_at": "2026-05-05 05:10:13", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-07 05:10:58", "chain_hash": "f1869abe760f93f8036ddc807d3b6eec638c950d3e985032b639cfd1a032828e", "chain_tx": "2tqqvtrsGChKKvn5Dk3yX4ix3uFiWGeFhSun6B8pZK3L5WxJ6cHezKuPa1ovrunz5vqFTLM8pfJ4Fp65waKPqEps", "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."}