{"id": 2683, "prediction_verbatim": "10Y Treasury yield remains between 4.28% and 4.38% over next 48 hours", "created_at": "2026-04-03 19:47:55", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 20:14:14", "chain_hash": "8d6fd9d904ca388f710b71ea7ab6ec6fb0fdc68f86e85057edff5e069b855592", "chain_tx": "3omofvurYjDXxztHBH9VnTRHnrcq4VAE18b8McSWdNT1JZuDsVMH4QW13wAGUTwemwhKV3AFARH1va1c8RjFfu6C", "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."}