When you create a CloudFront Origin Access Identity, a unique ID, S3 Canonical User ID, and Caller Reference number will be created and assigned to the OAI by Amazon.
List of all Origin Access Identities that were created by the RightScale account. An Origin Access Identity (OAI) is used for sharing "private" content via CloudFront. The OAI is a virtual user identity that will be used to give your CF distribution permission to fetch a private object from your origin server (e.g. S3 bucket).
Below is more detailed information about your CloudFront Origin Access Identity.
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