{"id": 4426, "prediction_verbatim": "10Y Treasury yield remains flat to slightly higher (4.35\u20134.50 range)", "created_at": "2026-05-04 04:45:32", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-06 05:10:39", "chain_hash": "f005e1a0c7ae34853543b6131a9c428e073a6ee2561341cff2c0a204963cd126", "chain_tx": "42z6b6epNi1Uqq4GXZMoRoAvnH7FvZvv7sCPVEFEXsTRDFazv71RxCFWaSovzgAZpfJNKYSTKuSXUkjLANrDPuF2", "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."}