{"id": 4872, "prediction_verbatim": "10Y Treasury yield falls below 4.38% within 48h as geopolitical rally fade and compression breaks", "created_at": "2026-05-11 16:25:56", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-13 16:32:55", "chain_hash": "ffc04aae412f28a7cfc12e20f7478868a8b549f1e790dd520597581f5a0ffc98", "chain_tx": "2JFEcMRqPnc4mK6v2pBeQfPsBcwyjjNigTTVoiouu7ufn9JrztQK9yEDMPbCPjePdVWRUtqXoJbedfW5Rc2JkoBg", "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."}