# Verifying the Address Resolver Document Assuming a DARP compliant application can verify Address Name ownership (see next section) and therefore trusts that the correct DID and service endpoint is being used, there may be scenarios where the integrity of the ARD can be compromised. For example, if the Address Name owner is hosting their ARD through a third party, that third party may have the ability to modify it. To protect against this the ARD is cryptographically signed using the keys associated with the corresponding DID, something only the DID owner can do. Whenever a change is made to the ARD, the associated DID Document is also updated to include a hash of the ARD. These features allow a DARP compliant application to not only ensure the ARD hasn't been tampered with, but also ensure it is the correct version. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.darp.tech/address-resolver-documents/verifying-the-address-resolver-document.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.