{
  "counts": {
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    "entries": 87,
    "intervals": 3,
    "vertices": 4
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    "P",
    "SN"
  ],
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      "temperature_K": 0.0,
      "vertices": [
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          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": -5.40478869690476,
          "entries_at_x": 28,
          "formula": "P1",
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          "phase": "oqmd-24584",
          "phase_kind": "structure",
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          "theoretical": false,
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        {
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          "formula": "P3 Sn1",
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          "phase": "oqmd-3387",
          "phase_kind": "structure",
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          "spacegroup_symbol": "R-3m",
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        {
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          "entries_at_x": 1,
          "formula": "P3 Sn4",
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          "phase": "oqmd-2953",
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          "entries_at_x": 28,
          "formula": "Sn",
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          "phase": "oqmd-ref-Sn",
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          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "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": 6.27247948026266e-10,
    "only_mp_stable": [
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    "only_ours_stable": [],
    "stable_sets_match": false
  },
  "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": "P-SN",
  "x_element": "SN"
}