{
    "property-id" "tag:tadmor@noreply.openkim.org,2017-02-01:property/verification-check" 
    "instance-id" 1 
    "vc-name" {
        "source-value" "vc-forces-numerical-derivative"
    } 
    "vc-description" {
        "source-value" "Comparison of the analytical forces obtained from the model with forces computed by numerical differentiation using Richardson extrapolation for a randomly distorted non-periodic structure based off the equilibrium face-centered cubic (fcc) structure. Separate configurations are tested for each species supported by the model, as well as one containing a random distribution of all species. Configurations used for testing are provided as auxiliary files."
    } 
    "vc-category" {
        "source-value" "consistency"
    } 
    "vc-grade-basis" {
        "source-value" "graded"
    } 
    "vc-grade" {
        "source-value" "N/A"
    } 
    "vc-comment" {
        "source-value" "Unable to perform verification check due to an error."
    } 
    "vc-files" {
        "source-value" [
            "config-Ni.xyz"
        ]
    }
}