{"id": 4876, "prediction_verbatim": "QQQ outperforms SPY by >0.5% within 48h", "created_at": "2026-05-11 20:32:08", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-13 20:32:59", "chain_hash": "9cb36d482f45fe7a6a3ab8f7566ecd0fc166ad1c1e2f22a91c1296db50c14576", "chain_tx": "NcJC1yTbKZLVaZwP8vgRvbwGYVEsxP8LHSrYnkbcEkRm72JvKkgEQ8C1Eb87xtksnpf67Zk9JWdX7zP7TDxQjAA", "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."}