{"id": 4475, "prediction_verbatim": "BTC volatility (24h ATR) increases above 2.1% by May 6 market close", "created_at": "2026-05-05 05:40:15", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-07 05:41:02", "chain_hash": "ded1d970f28fd834e738b91e73e5abfee20ea3e554ca0e03fb780519bf6c437e", "chain_tx": "LEfKojyTkmVYgAE3UiBnwkDbVGF3Fi7Eapmor6Uy2qU1nXYfK4aYXuFtx4sWgKZnxK2LHWh2o849teEAKTMScSF", "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."}