{"id": 2633, "prediction_verbatim": "10Y Treasury Yield higher in 48h", "created_at": "2026-04-03 17:57:07", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 18:14:14", "chain_hash": "620fdbf77fd1aa3ff8cd13c1e7f2ffe3cb4e22c8ff37bd18799932834a96aa48", "chain_tx": "3dyarxsmAcbFFuoNxJ1fWPvgbAtbNE5SwHNeyDtWYmLP8oUBac8tdJcFuJ5hndyZ2jUeURyZSJnzZ7NhkE8RP19g", "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."}