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        "output_hash": "sha256:540a9accd8d563c8ccc03aa9a2757b0604a49660f0ca73f48c008d0d6c95277f",
        "fingerprint_id": "sha256:813c00dfd9bb33d56457f405bb4e2b13a224fa7e32725e63770f6de650452e9f"
      }
    },
    {
      "id": "zero_bytes_model_only",
      "expected_display": "0.000000",
      "inputs": {
        "cold_first_view_bytes": 0,
        "first_share": "1",
        "return_share": "0",
        "reload_share": "0",
        "hosting_factor": "0",
        "operational_grid_gco2e_per_kwh": {
          "data_centre": "494",
          "network": "494",
          "device": "494"
        },
        "embodied_conversion_gco2e_per_kwh": "494"
      },
      "result": {
        "unit": "gCO2e/modelled_view",
        "total": "0.000",
        "display_six_decimals": "0.000000",
        "raw_segments_gco2e": {
          "data_centre_operational": "0.000",
          "data_centre_embodied": "0.000",
          "network_operational": "0.000",
          "network_embodied": "0.000",
          "device_operational": "0.000",
          "device_embodied": "0.000"
        },
        "adjusted_segments_gco2e": {
          "data_centre_operational": "0.000",
          "data_centre_embodied": "0.000",
          "network_operational": "0.000",
          "network_embodied": "0.000",
          "device_operational": "0.000",
          "device_embodied": "0.000"
        },
        "visit_factor": "1"
      },
      "fingerprint": {
        "method": "SWDM",
        "model_version": "4",
        "implementation": "article-arithmetic-1.0.0",
        "source_git_blobs": {
          "formula": "e38b0e09851dd5f64247d5205013c3abba47b269",
          "constants": "851fa28b3af660436b494f90ed2b5527bc86da41"
        },
        "inputs": {
          "cold_first_view_bytes": 0,
          "first_share": "1",
          "return_share": "0",
          "reload_share": "0",
          "hosting_factor": "0",
          "operational_grid_gco2e_per_kwh": {
            "data_centre": "494",
            "network": "494",
            "device": "494"
          },
          "embodied_conversion_gco2e_per_kwh": "494"
        },
        "boundary": "modelled data centre, network, device; operational + embodied-equivalent allocation",
        "input_evidence_kind": "illustrative, not measured",
        "functional_unit": "modelled view under declared cold/return assumptions",
        "coefficient_unit": "kWh-equivalent/decimal GB for embodied; kWh/decimal GB for operational",
        "operational_coefficients": {
          "data_centre": "0.055",
          "network": "0.059",
          "device": "0.080"
        },
        "embodied_coefficients": {
          "data_centre": "0.012",
          "network": "0.013",
          "device": "0.081"
        },
        "uncertainty": "not quantified; scenario sensitivity is not a confidence interval",
        "exclusions": [
          "no device-specific power observation",
          "no production backend or AI telemetry",
          "no causal avoided-emissions claim",
          "no comprehensive lifecycle assessment"
        ],
        "rounding": "full Decimal calculation; six decimals only for regression display",
        "output_hash": "sha256:9925f750f60c2c9af51089e5735896340bf1148a41c18e6c71b5d8e83c9d1208",
        "fingerprint_id": "sha256:ff7adace0d4994ab1ab59437213a76e7552743cc196fc40cd41bf59887679a62"
      }
    }
  ],
  "traffic_example": {
    "before_bytes": 2000000,
    "after_bytes": 1000000,
    "before_modelled_views": 100000,
    "after_modelled_views": 250000,
    "before_kgco2e": "29.640000",
    "after_kgco2e": "37.050000",
    "intensity_change_percent": "-50",
    "total_change_percent": "25.00"
  },
  "hosting_example": {
    "relative_model_reduction_percent": "18.33333333333333333333333333",
    "interpretation": "A model adjustment, not an empirical measure of supplier effectiveness."
  }
}