private String calculateOid(String name) {
        String safeName = name.replaceAll("[\\P{Print}\\W]+", "_");
        return UUID.randomUUID().toString().substring(14) + "/" + safeName;
    }
OID for 'name' of foo.jpeg will be in format: <samp>44cf-a164-607dd7fcd820/foo.jpeg</samp>.
manager/api/jpa/src/main/java/io/apiman/manager/api/jpa/blobstore/SqlBlobStoreService.java