{
      "name": "canton-dtc-treasury",
      "domain": "Digital-Asset Rails",
      "title": "Canton DTC Tokenized Treasury Issuance & Settlement",
      "description": "Validate a DTCC/ComposerX tokenized U.S. Treasury for issuance and atomic settlement. Regulatory/asset classification (510) → DTC-custody link, Fed-eligibility, ComposerX DAML lifecycle and programmable-collateral-at-issuance (art-109) → PFMI P12 atomic DvP (507) → tokenized-collateral eligibility for reuse (505). Treasury/DTC-custody-specific; not generic securities lifecycle, not FICC clearing economics.",
      "composer_url": "https://ainumbers.co/chaingraph/chains/canton-dtc-treasury.html",
      "steps": [
        {
          "tool_id": "510-digital-asset-regulatory-classifier",
          "handoff": "instrument class and DLT-pilot eligibility feed Stage 2 DTC-treasury validation"
        },
        {
          "tool_id": "art-109-dtc-tokenized-treasury",
          "handoff": "custody link, Fed-eligibility, DAML lifecycle gaps feed Stage 3 DvP atomicity"
        },
        {
          "tool_id": "507-canton-dvp-atomicity-validator",
          "handoff": "atomic DvP verdict feeds Stage 4 collateral eligibility"
        },
        {
          "tool_id": "505-tokenized-collateral-eligibility-checker",
          "handoff": "Exports composite tokenized-treasury artifact with execution_hash — final stage"
        }
      ]
    }