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: "2.3.1" url: "https://bosh.io/d/github.com/concourse/concourse-bosh-release?v=2.3.1" sha1: "3f8bf60c34690cfa60f9beadd23703ee157a1572"
Or upload it to your director with the
bosh upload-release --sha1 3f8bf60c34690cfa60f9beadd23703ee157a1572 \ https://bosh.io/d/github.com/concourse/concourse-bosh-release?v=2.3.1