{"id": 4179, "prediction_verbatim": "AMZN outperforms NVDA on a relative basis within 48h", "created_at": "2026-04-29 21:39:16", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 21:45:37", "chain_hash": "f8c035a037e47d1795b2d61202fed29097e4a816bd45973f3a4e927a65ef4c90", "chain_tx": "29mnGhtthDHzzEtdtJxnJddsaYmgjmqCm2CsDP8WBfcaLvNhFL6Xt5qMo4yUWxpoyF3CcV4GWoChE6GqFgNTZcMU", "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."}