{"id": 4440, "prediction_verbatim": "Stablecoin market cap shifts toward regulated issuers (USDC relative to USDT) within 48h as institutional mandates tighten", "created_at": "2026-05-04 10:45:31", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-06 11:10:38", "chain_hash": "20a3323850ce51e87dfe61eea42dfde9956b5f844a4895eefc62a746ffd7f31e", "chain_tx": "3m67BuSPknECBkaMkWV59Z6ddNYbH9BzEC5kcQUQr6RRopZumTbDvWXyDjAu7tUeAgw9UrmzdXqPsvmWnftSfRnS", "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."}