{
      "name": "nav-verification-pack",
      "domain": "Securities Settlement",
      "title": "NAV Verification Pack",
      "description": "Fund NAV recomputation from declared inputs > NAV-error materiality testing against a declared policy > fee-waiver-aware expense-ratio check as an independent rider: composite fund NAV verification pack for administrators and auditors.",
      "composer_url": "https://ainumbers.co/chaingraph/chains/nav-verification-pack.html",
      "steps": [
        {
          "tool_id": "art-373-recompute-fund-nav",
          "handoff": "recomputed NAV per share, component breakdown, and input digests feed Stage 2 materiality testing and Stage 3 expense-ratio check"
        },
        {
          "tool_id": "art-374-test-nav-error-materiality",
          "handoff": "material/immaterial verdict and affected-period math complete the primary NAV-verification path"
        },
        {
          "tool_id": "art-375-compute-fund-expense-ratios",
          "handoff": "gross/net expense ratios and TER computed as an independent rider against the same declared accrual conventions as Stage 1, not sequential on Stage 2"
        }
      ]
    }