{
      "name": "pharma-serialization-custody",
      "domain": "Supply-Chain Traceability",
      "title": "Pharma Serialization & Saleable-Returns Custody (DSCSA / EU FMD)",
      "description": "Verify DSCSA T3 + GS1 SGTIN and EPCIS event (art-112) → verify saleable returns against the original transaction (art-113) → assess suspect/illegitimate product and required FDA actions (art-114). Client-side, zero-egress alternative to a permissioned serialization consortium.",
      "composer_url": "https://ainumbers.co/chaingraph/chains/pharma-serialization-custody.html",
      "steps": [
        {
          "tool_id": "art-112-dscsa-transaction-statement-verifier",
          "handoff": "verified T3 + SGTIN feeds saleable-returns matching"
        },
        {
          "tool_id": "art-113-saleable-returns-verifier",
          "handoff": "return verdict feeds suspect-product assessment"
        },
        {
          "tool_id": "art-114-suspect-product-quarantine",
          "handoff": "Exports custody artifact with execution_hash — final stage"
        }
      ]
    }