{
  "proof_pack": {
    "accepted_source_hashes": [
      {
        "sha256": "c35a31bb44ecda05abea68bcab80f341ba38b126f718c57df83e42d7d4288f25",
        "source_id": "contract"
      },
      {
        "sha256": "c46a5ccbd927a000d843699404a771f57d865269984ddb6d94f4599e570af4ee",
        "source_id": "invoice"
      }
    ],
    "as_of": "2026-09-05",
    "checks": [
      {
        "detail": "2 source(s) accepted and hashed; 0 documented gap(s)",
        "name": "Intake inventoried and hashed",
        "outcome": "passed"
      },
      {
        "detail": "2026-08-01..2026-08-31 America/Chicago, 15-minute intervals",
        "name": "Audit period, timezone and interval boundary pinned",
        "outcome": "passed"
      },
      {
        "detail": "1 line(s) checked; 1 supported discrepancy, 0 unverifiable",
        "name": "Invoice arithmetic recomputed against contract terms",
        "outcome": "failed"
      },
      {
        "detail": "no interval meter data was accepted",
        "name": "Interval meter data aggregated to each billed period",
        "outcome": "not_applicable"
      },
      {
        "detail": "no curtailment instructions were accepted",
        "name": "Curtailment instructions tied to baseline, response and posted credit",
        "outcome": "not_applicable"
      },
      {
        "detail": "net power cost derived from posted cash only",
        "name": "Gross-to-net cash waterfall reconciled",
        "outcome": "passed"
      },
      {
        "detail": "1 residual(s): 0 unverifiable, 1 supported discrepancy",
        "name": "Every nonzero residual classified",
        "outcome": "passed"
      }
    ],
    "counterparty_favorable_discrepancy_cents": 0,
    "document": "audit_closure",
    "exclusions": [],
    "finding": true,
    "model_version": "pba-3",
    "next_action": {
      "amount_cents": 20000,
      "blocking_source_id": null,
      "headline": "Present the supported discrepancy on SYNTHETIC-INV-1 \u2014 SYNTHETIC monthly fixed service charge",
      "rationale": "It is the largest difference this audit can stand behind on the accepted evidence, and every source it rests on was provided."
    },
    "period": {
      "end": "2026-08-31",
      "start": "2026-08-01",
      "timezone": "America/Chicago"
    },
    "statement": "A customer-favorable supported discrepancy of $200.00 was established from the accepted evidence.",
    "supported_discrepancy_cents": 20000,
    "supported_residuals": [
      {
        "amount_cents": 20000,
        "clause_id": "fixed-service",
        "depends_on": [
          "invoice",
          "contract"
        ],
        "description": "SYNTHETIC-INV-1 \u2014 SYNTHETIC monthly fixed service charge",
        "residual_id": "charge:fixed-service-august"
      }
    ],
    "unverifiable_residuals": [],
    "workbook_digest": "blake3:e495f998107bc70462d8f53b7d834ec73609abd65047c46040bdcf1f1b6e7958",
    "workbook_sha256": "sha256:eae37bbeda7953c5076d1ad3221bf854e6e7af9479af1e18a182ad784cfcc9d2"
  },
  "signature": {
    "algorithm": "Ed25519",
    "hash": "blake3:6bb00f75f7c4ec1b189c5f43becf3c0d18ca0c4a9a1ec8c764e9a8b16d46237a",
    "public_key_id": "synthetic-audit-demo-ephemeral",
    "signature": "nFlyKVXTwcOGseadGAnQweookLXn1KpEEYHF5bOxxM6NKhaXZOj4VlmnKXaZ2AKtu8/jj/IaYZyz/QcYXiuCDw==",
    "signed_at": "2026-09-05T00:00:00Z"
  }
}