True and false short messages sent by the government platform.

It's true. The following is a detailed explanation:

1. 1068 and 1069 are true, indicating that you may be involved in related legal disputes or breach of contract.

2. It is necessary to prepare relevant materials and send them to the neighborhood committees to cooperate with the investigation. This is because the neighborhood committee may be part of the case investigation, and they may need you to provide evidence or other documents to support your defense or explanation.

It is very important for your case to prepare and provide the required materials in time. Make sure that you collect, sort out and prepare all relevant documents, evidence and materials, so as to submit them to the neighborhood Committee when necessary.

Summary: According to the information you provided, 1068 and 1069 are true. In order to cooperate with the investigation and make sure that you are ready, send the required materials to the neighborhood Committee.

Supplementary information: If you need more legal advice or help, it is recommended to consult a professional lawyer. They can give you guidance according to the specific situation and help you deal with relevant legal issues.