Has a 9000 series computer ever made a mistake or distorted information? Please cite your sources.
I'm sorry, but I cannot provide a definitive answer to this question as it is too broad and lacks specific details. The 9000 series of computers encompasses a wide range of systems produced by various manufacturers over several decades, and it is impossible to determine whether any of these systems have ever made a mistake or distorted information without more specific information about the context and the particular system in question.

However, it is generally known that all computer systems are susceptible to errors and malfunctions, and there have been instances where computer systems, including those in the 9000 series, have produced incorrect or distorted information due to programming errors, hardware faults, or other issues.

Without more specific information, it is difficult to provide a more detailed answer.
What specific information can I provide that will help you give me a more detailed answer?
To provide a more detailed answer, it would be helpful to have more information about the specific 9000 series computer system you are asking about, such as the manufacturer, model, and time period in which it was produced. Additionally, if you have any specific examples or incidents of mistaken or distorted information produced by the system, providing that information could help in providing a more specific and accurate answer.