{"id": 4953, "prediction_verbatim": "US 10-year yield higher in 48h", "created_at": "2026-05-12 23:02:28", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-14 23:10:45", "chain_hash": "9f9edd0271746e87cde7ecd2ecc2a9f9a7a9d6daa7892b478f6bbfe4c289cab1", "chain_tx": "3GE77c17Wgx3q9V6wpMKKmBaiDnfjS3vLDmPiXWKbyJ7jg4qe9Tz6terxHbnrSU5QNLrsTp1TqCx2zcDWV3ohdvW", "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."}