{
  "counts": {
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    "entries": 141,
    "intervals": 3,
    "vertices": 4
  },
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    "CO",
    "ZN"
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    "mp_agreement_not_comparable",
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      ],
      "temperature_K": 0.0,
      "vertices": [
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": -7.089565,
          "entries_at_x": 38,
          "formula": "Co1",
          "nsites": 1,
          "phase": "oqmd-594128",
          "phase_kind": "structure",
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          "formula": "Co3 Zn22",
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          "phase": "oqmd-2160451",
          "phase_kind": "structure",
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          "spacegroup_symbol": "C2/m",
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        {
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          "entries_at_x": 1,
          "formula": "Co1 Zn13",
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          "phase": "oqmd-17125",
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        {
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          "energy": 0.0,
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          "formula": "Zn1",
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          "phase": "oqmd-122929",
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          "spacegroup_symbol": "P63/mmc",
          "theoretical": false,
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  ],
  "mp_agreement": {
    "comparable": false,
    "comparable_note": "is_stable is derived by the extraction, not an upstream flag, so comparing it against a hull recomputed from the same energies tests the derivation rather than the data",
    "max_abs_delta_energy_above_hull": 0.016891099999999604,
    "only_mp_stable": [
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      "oqmd-ref-Zn"
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    "only_ours_stable": [],
    "stable_sets_match": false
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  "provenance": {
    "above_hull_window_eV": 0.05,
    "builder_version": 1,
    "collinear_tol": 1e-12,
    "correction_model": "OQMD fit-partial ('standard' fit, applied upstream by OQMD; none added)",
    "degenerate_tol": 1e-06,
    "entry_pool": "all_nondeprecated",
    "is_stable_source": "derived",
    "observed_at": "2026-09-05T17:02:03Z",
    "snapshot_scope_elements": [],
    "snapshot_scope_kind": "full",
    "snapshot_sha256": "2a9393262c52ec35600424236c352a4cdb3291c8b25c1c6588f5e62abe8e0d8d",
    "source_release": "qmdb_v1_8_022026",
    "stability_tol": 0.0001,
    "thermo_type": "standard",
    "upstream_energy_corrections": "OQMD 'standard' fit (fit-partial of Kirklin et al. 2015): elemental reference energies of a subset of elements fitted to experimental formation enthalpies, applied by OQMD"
  },
  "reference": {
    "kind": "dft_fitted_elemental_reference_0K",
    "per": "atom",
    "temperature_K": 0.0,
    "units": "eV/atom"
  },
  "schema_version": 1,
  "system_id": "CO-ZN",
  "x_element": "ZN"
}