{"id": 5107, "prediction_verbatim": "BTC closes higher within 48h", "created_at": "2026-05-15 09:10:44", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-17 09:11:14", "chain_hash": "ddb6b3ebeb8a8ed05a779679ba4500bf232ad4b6cb0fc50324fc133e2defc692", "chain_tx": "2zVbP7fUwXiJ4FfGyKeei9Cmj4ZJaE7MSvZfpXvkA4XGLfRHQpyn7X6XQF1UP117gjgBw1QNLtukWiUCwF6J9RD1", "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."}