{"id": 4227, "prediction_verbatim": "WTI crude lower within 24h (risk-off repricing outweighs supply disruption premium)", "created_at": "2026-04-30 12:09:28", "direction": "down", "timeframe": "24h", "score": null, "outcome": "Cannot auto-score commodity prediction \u2014 no price feed for this asset class", "resolved_at": "2026-05-01 12:09:55", "chain_hash": "01a1d9ed9a68bb3799d0cbe575d944d0fb6d74a5671d2d2f7caa3e4161325a3a", "chain_tx": "3bwgq2KK7ou1k76JY9KmpAeyemF8ahFnFFZC9gmhBMT8oEAhWRdyv9fQxNG5e14VyngDZNnQM4uLBZgmm4rFrzh9", "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."}