{"id": 3657, "prediction_verbatim": "Lithium prices will experience a marginal increase.", "created_at": "2026-04-17 18:38:26", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-19 18:38:56", "chain_hash": "700a0a7932e5aeb9749985c7e8c413c15f39eadbb72a095c16e2f4b77d57b26e", "chain_tx": "2ctRAevaLyXExnXjX5DYZYz7agbr8rwRTQPpvEPfqmRvNVLLcAao8YDQKXy7v18KcqErTy8syxWBjdmk6LDwQPnB", "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."}