Blockchain Provenance Service

I am inspired by the use of a public Blockchain as a repository for Provenance. That is the Provenance Service is implemented by using Blockchain technology. The most intriguing part is that with this model, everyone within a community submits in-real-time Provenance records every time they do something worthy of Provenance. This Provenance Blockchain would be a Public, Permissioned chain. That is viewable (useable) by anyone, but only updated by a defined set of permissioned entities. The Provenance record can...