{
  "tool_id": "art-547-corporate-action-entitlement-recompute",
  "kernel_id": "art-547-corporate-action-entitlement-recompute",
  "display_name": "Corporate Action Entitlement Recompute",
  "tool_version": "1.0.0",
  "mandate_type": "compliance_mandate",
  "purpose": "Deterministic dividend/rights/split entitlement math per record date for a single position, under the ISO 20022 corporate-action event field set migrated by DTCC Important Notice 23890-26 (legacy corporate-actions message format decommission -- a DTCC operator mandate, not a regulatory deadline: PSE testing 2026-01, Test Facility 2026-03, PROD testing 2026-07, legacy decommission Q3 2027). entitlement = position_qty x ratio_or_rate, with rounding/proration rules per corporate-action type -- all caller-supplied, no security-master lookup, no market-data fetch. Entitlement math only -- does NOT validate DTC ISO 20022 message shape; that half is the message-shape validator (art-546), which chains into this node's input.",
  "control_description": "Deterministic dividend/rights/split entitlement math per record date for a single position, under the ISO 20022 corporate-action event field set migrated by DTCC Important Notice 23890-26 (legacy corporate-actions message format decommission -- a DTCC operator mandate, not a regulatory deadline: PSE testing 2026-01, Test Facility 2026-03, PROD testing 2026-07, legacy decommission Q3 2027). entitlement = position_qty x ratio_or_rate, with rounding/proration rules per corporate-action type -- all caller-supplied, no security-master lookup, no market-data fetch. Entitlement math only -- does NOT validate DTC ISO 20022 message shape; that half is the message-shape validator (art-546), which chains into this node's input.",
  "declared_inputs": [
    "art-546-dtcc-ca-iso20022-validator"
  ],
  "declared_outputs": [],
  "kernel_digest": "sha256:426290aa93af154925c8418526e40ce47f1ccab54eb19febae4774c50041c1b3",
  "trust_label": "independently verified: zkVM execution proof (risc0/groth16-bn254)",
  "data_vintage": "2026-08-04",
  "last_validated": "2026-08-04",
  "conformance_fixtures_vendored": true,
  "compute_proof_ready": "ready",
  "wave": 84,
  "source_url": "https://ainumbers.co/chaingraph/art-547-corporate-action-entitlement-recompute.html",
  "generated_at": "2026-08-15T11:12:17.704Z"
}