{"id": 4681, "prediction_verbatim": "COIN closes higher within 48 hours", "created_at": "2026-05-08 15:41:10", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-10 15:47:56", "chain_hash": "6adf3dbdf914f51dbe16552e979688f7bbc4d54f3b2763a2d7c4dc977ce7fff1", "chain_tx": "2qzK9NRZ3X8eRWtHJeeBnwviB1UuXMLLhrPgRcR2MU9Lke1MWvHUtdfhBNRzbU8eeqfVxz18YvNqJQ1xFxY1qkFs", "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."}