{
  "kind": "archive.grammar",
  "topicPathPattern": "topical-archive/<udc-root>/<topic-branch>/<role>/<flat-slug>.<ext>",
  "closedRootSlugs": [
    "applied-sciences",
    "arts",
    "geography-history",
    "information",
    "language-literature",
    "philosophy",
    "religion",
    "science",
    "social-sciences"
  ],
  "branchRoles": {
    "archive": "source-dump material and moved files not yet promoted into a narrower content surface",
    "bibliography": "external references, papers, books, HTML captures, PDFs, and citation payloads",
    "explanations": "explanatory notes written to teach or summarize a topic",
    "specifications": "normative or implementation-facing specifications",
    "terms": "focused term and concept records"
  },
  "taxonomyIdFields": {
    "udc-id": "Universal Decimal Classification notation",
    "msc-id": "Mathematics Subject Classification identifier",
    "arxiv-id": "arXiv category identifier",
    "acm-ccs-id": "ACM Computing Classification System identifier",
    "mesh-id": "Medical Subject Headings identifier",
    "aat-id": "Art and Architecture Thesaurus identifier",
    "lcc-id": "Library of Congress Classification identifier"
  },
  "frontmatterConventions": {
    "taxonomyIds": "inline YAML arrays",
    "example": {
      "udc-id": [
        "004.8"
      ],
      "arxiv-id": [
        "cs.MA"
      ],
      "msc-id": [
        "03B47"
      ]
    }
  }
}