{"id": 4344, "prediction_verbatim": "BTC price rises >2% within 48h as short-squeeze mechanics trigger on low VIX", "created_at": "2026-05-03 00:44:50", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-05 01:10:23", "chain_hash": "a63dab9b2d37881fa5cc786fffa4196fe03f43c77f28045b48c28e0f300dc095", "chain_tx": "5MUb5PjYmvaP84dFjNwCpjfq5oQEu5ZCc6EpRzxwuNY4RNkCRgowHe1nsc1H56xnm4w4PCsstdnXJhLZSVCdPWuR", "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."}