{"id": 4730, "prediction_verbatim": "10Y Treasury Yield will move >0.08% (up or down) within 48h", "created_at": "2026-05-09 13:41:38", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-11 13:56:14", "chain_hash": "0a778672cbbfb59eb5f78e6dde36b799fa7932c5b2f19073ad34e2238286f81e", "chain_tx": "66RRTeqDqtC2AUSbbnzTZBkpqMeAUjsgjMrHiMaTuTSCTLVaCCgvk1hdj2QGGAb4WpLtTfjrNP8Ky5CnPzKf8inU", "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."}