You can find the source of this version on GitHub at concourse/concourse-bosh-release. It was created based on the commit
You can reference this release in your deployment manifest from the
- name: "concourse" version: "3.9.1" url: "https://bosh.io/d/github.com/concourse/concourse-bosh-release?v=3.9.1" sha1: "bfd07988b40447d346aec4c3e3c6efa40f2b7ff6"
Or upload it to your director with the
bosh upload-release --sha1 bfd07988b40447d346aec4c3e3c6efa40f2b7ff6 \ https://bosh.io/d/github.com/concourse/concourse-bosh-release?v=3.9.1