{
    "vc-comment" {
        "source-value" "The letter grade C was assigned because the normalized error in the computation was 9.76349e-06 compared with a machine precision of 2.22045e-16. The letter grade was based on 'score=log10(error/eps)', with ranges A=[0, 7.5], B=(7.5, 10.0], C=(10.0, 12.5], D=(12.5, 15.0), F>15.0. 'A' is the best grade, and 'F' indicates failure."
    } 
    "vc-grade-basis" {
        "source-value" "graded"
    } 
    "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-grade" {
        "source-value" "C"
    } 
    "property-id" "tag:tadmor@noreply.openkim.org,2017-02-01:property/verification-check" 
    "vc-files" {
        "source-value" [
            "config-Ac.xyz" 
            "config-Ag.xyz" 
            "config-Al.xyz" 
            "config-Am.xyz" 
            "config-Ar.xyz" 
            "config-As.xyz" 
            "config-At.xyz" 
            "config-Au.xyz" 
            "config-B.xyz" 
            "config-Ba.xyz" 
            "config-Be.xyz" 
            "config-Bh.xyz" 
            "config-Bi.xyz" 
            "config-Bk.xyz" 
            "config-Br.xyz" 
            "config-C.xyz" 
            "config-Ca.xyz" 
            "config-Cd.xyz" 
            "config-Ce.xyz" 
            "config-Cf.xyz" 
            "config-Cl.xyz" 
            "config-Cm.xyz" 
            "config-Cn.xyz" 
            "config-Co.xyz" 
            "config-Cr.xyz" 
            "config-Cs.xyz" 
            "config-Cu.xyz" 
            "config-Db.xyz" 
            "config-Ds.xyz" 
            "config-Dy.xyz" 
            "config-Er.xyz" 
            "config-Es.xyz" 
            "config-Eu.xyz" 
            "config-F.xyz" 
            "config-Fe.xyz" 
            "config-Fm.xyz" 
            "config-Fr.xyz" 
            "config-Ga.xyz" 
            "config-Gd.xyz" 
            "config-Ge.xyz" 
            "config-H.xyz" 
            "config-He.xyz" 
            "config-Hf.xyz" 
            "config-Hg.xyz" 
            "config-Ho.xyz" 
            "config-Hs.xyz" 
            "config-I.xyz" 
            "config-In.xyz" 
            "config-Ir.xyz" 
            "config-K.xyz" 
            "config-Kr.xyz" 
            "config-La.xyz" 
            "config-Li.xyz" 
            "config-Lr.xyz" 
            "config-Lu.xyz" 
            "config-Md.xyz" 
            "config-Mg.xyz" 
            "config-Mn.xyz" 
            "config-Mo.xyz" 
            "config-Mt.xyz" 
            "config-N.xyz" 
            "config-Na.xyz" 
            "config-Nb.xyz" 
            "config-Nd.xyz" 
            "config-Ne.xyz" 
            "config-Ni.xyz" 
            "config-No.xyz" 
            "config-Np.xyz" 
            "config-O.xyz" 
            "config-Os.xyz" 
            "config-P.xyz" 
            "config-Pa.xyz" 
            "config-Pb.xyz" 
            "config-Pd.xyz" 
            "config-Pm.xyz" 
            "config-Po.xyz" 
            "config-Pr.xyz" 
            "config-Pt.xyz" 
            "config-Pu.xyz" 
            "config-Ra.xyz" 
            "config-Rb.xyz" 
            "config-Re.xyz" 
            "config-Rf.xyz" 
            "config-Rg.xyz" 
            "config-Rh.xyz" 
            "config-Rn.xyz" 
            "config-Ru.xyz" 
            "config-S.xyz" 
            "config-Sb.xyz" 
            "config-Sc.xyz" 
            "config-Se.xyz" 
            "config-Sg.xyz" 
            "config-Si.xyz" 
            "config-Sm.xyz" 
            "config-Sn.xyz" 
            "config-Sr.xyz" 
            "config-Ta.xyz" 
            "config-Tb.xyz" 
            "config-Tc.xyz" 
            "config-Te.xyz" 
            "config-Th.xyz" 
            "config-Ti.xyz" 
            "config-Tl.xyz" 
            "config-Tm.xyz" 
            "config-U.xyz" 
            "config-V.xyz" 
            "config-W.xyz" 
            "config-Xe.xyz" 
            "config-Y.xyz" 
            "config-Yb.xyz" 
            "config-Zn.xyz" 
            "config-Zr.xyz" 
            "config-AcAgAlAmArAsAtAuBBaBeBhBiBkBrCCaCdCeCfClCmCnCoCrCsCuDbDsDyErEsEuFFeFmFrGaGdGeHHeHfHgHoHsIInIrKKrLaLiLrLuMdMgMnMoMtNNaNbNdNeNiNoNpOOsPPaPbPdPmPoPrPtPuRaRbReRfRgRhRnRuSSbScSeSgSiSmSnSrTaTbTcTeThTiTlTmUVWXeYYbZnZr.xyz"
        ]
    } 
    "vc-name" {
        "source-value" "vc-forces-numerical-derivative"
    } 
    "vc-category" {
        "source-value" "consistency"
    } 
    "instance-id" 1
}