{"id": 5442, "prediction_verbatim": "BTC higher in 48h", "created_at": "2026-05-25 17:43:36", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-27 18:06:43", "chain_hash": "254047f9eef9cb58d2b9c40b0b782314369321c581a6366da11c124256c59e47", "chain_tx": "4xwDAryBv5TVtdGomNweJ98DXcHDYbjViCaQgzKYFmP94ZHLs31nXbzJ7RPWuj8iqvAENGjoouroWqnURDaMkfTq", "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."}