{
  "accepted_inputs": {
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        {
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        {
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        {
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        },
        {
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        },
        {
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        },
        {
          "kwh": "1E+3",
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        },
        {
          "kwh": "1E+3",
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        },
        {
          "kwh": "1E+3",
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        },
        {
          "kwh": "1E+3",
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        },
        {
          "kwh": "1E+3",
          "start": "2026-08-02T04:00:00Z"
        },
        {
          "kwh": "1E+3",
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        },
        {
          "kwh": "1E+3",
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        },
        {
          "kwh": "1E+3",
          "start": "2026-08-02T04:45:00Z"
        }
      ],
      "source_id": "meter"
    },
    "candidate": null,
    "contract": {
      "contract_id": "SYNTHETIC-fixed-energy",
      "effective_end": "2026-08-01",
      "effective_start": "2026-08-01",
      "terms": [
        {
          "charge_id": "energy",
          "citation": "SYNTHETIC energy-only example, $50/MWh",
          "kind": "fixed_energy",
          "rate_usd_per_mwh": "5E+1",
          "rounding": "line_item",
          "source_id": "contract"
        }
      ]
    },
    "name": "SYNTHETIC calculator-to-audit, supplied training records only",
    "period": {
      "end": "2026-08-01",
      "interval_minutes": 15,
      "start": "2026-08-01",
      "timezone": "America/Chicago"
    },
    "prices": null,
    "sources": [
      {
        "basis": "observed",
        "content_sha256": "0881cf76615fc25be0390a793e7b956d59f19867edccf74cf952c143f31a2ae5",
        "description": "SYNTHETIC contract fixture, not customer evidence",
        "source_id": "contract"
      },
      {
        "basis": "observed",
        "content_sha256": "45da519b7a76e10f6830904a208a35a512445c4a67a29625ce49f8f6e0ef7723",
        "description": "SYNTHETIC meter fixture, not physical measurements",
        "source_id": "meter"
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  },
  "artifact_hash": "blake3:07e55ee724d4ba816cce3983aeaa1643838545d9c1a47258caa49a768d8c32ef",
  "assumptions": [
    "Only the specified contract terms are priced; omitted charges are not zero.",
    "A complete declared billing period is required, including daylight-saving intervals. Each term applies once to that period; recurrence is not inferred.",
    "Demand uses the maximum interval-average import kW; no export, power-factor, TOU demand, or 4CP inference.",
    "Historical peak and contract applicability are supplied evidence, not independently verified tariff selection.",
    "Source hashes identify supplied evidence; the calculator does not authenticate source documents.",
    "Candidate cost differences are counterfactuals, not physical feasibility, recoverable claims, or posted savings."
  ],
  "baseline": {
    "basis": "recomputed_from_observed_inputs",
    "energy_kwh": "96000",
    "lines": [
      {
        "amount_cents": 480000,
        "charge_id": "energy",
        "determinants": {
          "rounding": "line_item",
          "unrounded_usd": "4800"
        },
        "formula": "sum(interval kWh * USD/MWh / 1000); half-up cents per line_item",
        "kind": "fixed_energy",
        "quantity": "96000",
        "rate": "5E+1",
        "source_ids": [
          "contract",
          "meter"
        ],
        "unit": "kWh"
      }
    ],
    "peak_kw": "4E+3",
    "total_cents": 480000
  },
  "candidate": null,
  "coverage": "specified_contract_terms",
  "deltas": [],
  "energy_delta_kwh": null,
  "input_hash": "blake3:e2758ac41bbefe1779f3ef39c9e93a8c370b96a6864c39147249828a3b81f740",
  "savings_cents": null,
  "schema_version": "contract-billing-v1"
}