{
  "prefixes": [
    {
      "contact": "https://femra.app",
      "description": "Femra, structural analysis by the finite element method as a connector for AI assistants. Its extension holds what an analysis model needs and OpenEik does not define yet: a member's exact section (femra:section), bearings, the soil under a slab on the ground.",
      "prefix": "femra",
      "registered": "2026-10-17",
      "registrant": "Femra",
      "url": "https://femra.app"
    },
    {
      "contact": "https://stomra.com",
      "description": "Stomra, BIM authoring for people and AI agents, and the reference implementation of OpenEik. Its extension keeps Stomra's own members of records that OpenEik does not define, such as a sheet's scale bar and register group.",
      "prefix": "stomra",
      "registered": "2026-10-17",
      "registrant": "Stomra",
      "url": "https://stomra.com"
    }
  ],
  "reserved": [
    {
      "name": "architecture",
      "reason": "A discipline folder of a model (Part III, 4.1)."
    },
    {
      "name": "assets",
      "reason": "Planned for binary assets kept by digest beside the records and versions: fonts, PDF renditions, outside drawings, signed containers and photographs (Part XV, proposed for 0.2), and later large meshes."
    },
    {
      "name": "documents",
      "reason": "The folder of the application records reports, renders, deviations, area adjustments and linked references (Part III, 1)."
    },
    {
      "name": "drawings",
      "reason": "The folder of views and sheets (Part III, 1)."
    },
    {
      "name": "eik",
      "reason": "The standard's own: it names the format file eik.json and the hidden folder .eik/ (Part III, 1 and 8.1)."
    },
    {
      "name": "eik-*",
      "reason": "Every prefix that starts with eik- is the standard's own, as eik is."
    },
    {
      "name": "electrical",
      "reason": "A discipline folder of a model in the owners' layout (Part III, 4.4, proposed for 0.2): the electrical engineer's records."
    },
    {
      "name": "fabrication",
      "reason": "The folder of pieces and joints, the fabrication profile (Part III, 1)."
    },
    {
      "name": "openeik",
      "reason": "The standard's own name."
    },
    {
      "name": "openeik-*",
      "reason": "Every prefix that starts with openeik- is the standard's own, as openeik is."
    },
    {
      "name": "plumbing",
      "reason": "A discipline folder of a model in the owners' layout (Part III, 4.4, proposed for 0.2): heating and plumbing's records."
    },
    {
      "name": "project",
      "reason": "The folder of the project, its levels, its order and its library records (Part III, 1)."
    },
    {
      "name": "setup",
      "reason": "A discipline folder of a model in the owners' layout (Part III, 4.4, proposed for 0.2): the project setup's records, its views among them."
    },
    {
      "name": "site",
      "reason": "A discipline folder of a model (Part III, 4.1)."
    },
    {
      "name": "sprinkler",
      "reason": "A discipline folder of a model in the owners' layout (Part III, 4.4, proposed for 0.2): the sprinkler engineer's records."
    },
    {
      "name": "structure",
      "reason": "A discipline folder of a model (Part III, 4.1)."
    },
    {
      "name": "systems",
      "reason": "A discipline folder of a model (Part III, 4.1)."
    },
    {
      "name": "types",
      "reason": "The folder of types (Part III, 1)."
    },
    {
      "name": "ventilation",
      "reason": "A discipline folder of a model in the owners' layout (Part III, 4.4, proposed for 0.2): the ventilation engineer's records."
    }
  ]
}