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: "2.6.0" url: "https://bosh.io/d/github.com/concourse/concourse-bosh-release?v=2.6.0" sha1: "cb8839062d6f7800d6e19ffeaf3942eb8b58e585"
Or upload it to your director with the
bosh upload-release --sha1 cb8839062d6f7800d6e19ffeaf3942eb8b58e585 \ https://bosh.io/d/github.com/concourse/concourse-bosh-release?v=2.6.0