{"id": 3119, "prediction_verbatim": "SPY lower in 24h", "created_at": "2026-04-10 15:23:55", "direction": "down", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-12 03:24:15", "chain_hash": "36ce0319b0239b54f73f22ee9b987b016e76212d5a94c93d820d5607bfac0199", "chain_tx": "3egMGJPuP1pmYvirsS5wfMmnM39RD3r1FXfRRSUpdqE4wqSGF8sDkLmb7cysmqq3zqbDekAfto4RXtAiqLBjmwuo", "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."}