Why the smaller players can't figure this out? Are they inventing their own S3-compatible storage or using a open source project underneath if?
For people trying to figure out if their provider is using Ceph, make a request for https://<s3-endpoint>/test and see if the x-amz-request-id header begins with "tx000", if it does, then they're using Ceph.
$ curl -sSi https://nyc3.digitaloceanspaces.com/test/ | grep x-amz-request-id
x-amz-request-id: tx00000947bc21a401c0f02-00651981d1-4b6a0-nyc3d
Access request needs to be created, validated, logged, processed, expired or revoked.
Or just validated, processed, and logged.