{"id": 5427, "prediction_verbatim": "Bitcoin closes higher within 48h", "created_at": "2026-05-25 10:43:46", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-27 11:06:37", "chain_hash": "0b4ff3828dd3a24aef0de2edd21bbf7adb6757467287e4d7743a314d9a3a0646", "chain_tx": "4ejVstfmSo7mbqB2P5mDW2EFS273siQBkBYbAmkxRLjPLmjfLUV6RcMQF8YBxQ7L3YcptwCZD213XD3gbP78m87S", "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."}