{"id": 6436, "prediction_verbatim": "NVDA outperforms SPY over 24h [DIRECTION: up] [FALSIFY: NVDA underperforms or matches SPY over 24h]", "created_at": "2026-06-26 02:24:18", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-06-27 15:19:58", "chain_hash": "e93d53956a8a86102ef1aae2fbaed834bfa92a1777945435d188beeeb6f2873f", "chain_tx": "4TJdt2ZwRs4Ds2K22uwVQcAgzgrUtcXuyohCR8UEMpuLZ82ZtTsG7fuEtW3ASmteCtEmF72ZKJ9mMrwtWjqvJ3Ws", "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."}