{
  "tool_id": "art-464-confirmation-matcher",
  "kernel_id": "art-464-confirmation-matcher",
  "display_name": "Bank/AR Confirmation Matcher",
  "tool_version": "1.0.0",
  "mandate_type": "compliance_control",
  "purpose": "Joins caller-supplied bank and accounts-receivable confirmation responses against caller-supplied ledger balances on (counterparty_id, type), and classifies each pair EXACT_MATCH, TOLERANCE_MATCH, or MISMATCH, plus confirmations with no corresponding ledger balance and ledger balances with no corresponding confirmation. The match tolerance (tolerance_abs, tolerance_pct) is a caller-declared policy input; the explicit, echoed default is 0/0 (exact match required) when the caller declares neither -- there is no silent, unrecorded tolerance. A duplicate (counterparty_id, type) key on either side is reported as a data-quality flag rather than silently overwritten -- only the first occurrence on each side is joined. Third of three ARCB-K-1 substantive audit-recalculation kernels. NaN-safe. Zero network, zero PII.",
  "control_description": "Joins caller-supplied bank and accounts-receivable confirmation responses against caller-supplied ledger balances on (counterparty_id, type), and classifies each pair EXACT_MATCH, TOLERANCE_MATCH, or MISMATCH, plus confirmations with no corresponding ledger balance and ledger balances with no corresponding confirmation. The match tolerance (tolerance_abs, tolerance_pct) is a caller-declared policy input; the explicit, echoed default is 0/0 (exact match required) when the caller declares neither -- there is no silent, unrecorded tolerance. A duplicate (counterparty_id, type) key on either side is reported as a data-quality flag rather than silently overwritten -- only the first occurrence on each side is joined. Third of three ARCB-K-1 substantive audit-recalculation kernels. NaN-safe. Zero network, zero PII.",
  "declared_inputs": [],
  "declared_outputs": [],
  "kernel_digest": "sha256:54918b9e1a32a89b38be7118d7fa3e6c5af4fc8dc91a023545a4fdbddb0bec76",
  "trust_label": "independently verified -- zkVM execution proof (risc0/groth16-bn254)",
  "data_vintage": "2026-07-24",
  "last_validated": "2026-07-24",
  "conformance_fixtures_vendored": true,
  "compute_proof_ready": "ready",
  "wave": 74,
  "source_url": "https://ainumbers.co/chaingraph/art-464-confirmation-matcher.html",
  "generated_at": "2026-07-25T20:02:55.601Z"
}