 preserver who can demonstrate that it has no reason to alter the preserved records or allow others to alter them and is capable of implementing all of the requirements for the preservation of authentic copies of records. [Archives] 
trusted records officer 
n., The whole of the rules that control the preservation and use of the records of the creator and provide a circumstantial probability of the authenticity of the records, and the tools and mechanisms used to implement those rules. [Models (MCP)] 
trust