{"id": 3352, "prediction_verbatim": "The Nigerian Naira (NGN) will weaken slightly against the USD.", "created_at": "2026-04-14 01:38:22", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-16 01:45:03", "chain_hash": "ce6f94a1d2a6da23a220f1f1c59359967c27a0fc6d4f999c32559126710b1026", "chain_tx": "2YU8DTmMpc339X5jNCjJE4b7xUMQGUXTLBqus3dGZ9J64gEGr3WTwVfTEpJeRmrwQ4tS8BfEyzj3c1UgLzQjQk8B", "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."}