$schema: https://json-schema.org/draft/2020-12/schema
title: Archival Document
description: "A `digital-representation` constrained to archival document formats
  \u2014 PDF/A or LIDO/XML \u2014 with\na mandatory persistent identifier, for long-term
  archival reference (D8.2 profile C).\n"
allOf:
- $ref: https://ogcincubator.github.io/bblocks-heritage/build/annotated/heritage/digital-representation/schema.yaml
- type: object
  required:
  - mediaType
  - persistentIdentifier
  properties:
    hdtoType:
      const: hdto:HC5_Digital_Representation
      description: "Pins the inherited hdtoType (from digital-representation, otherwise
        an enum of HC5/HC7/HC8) to plain HC5 \u2014 a digitised archival document
        has no more specific HC5-family class in D7.1."
    mediaType:
      type: string
      enum:
      - application/pdf
      - text/xml
      - application/dwg
      - image/vnd.dxf
      description: '`application/pdf` for a PDF/A document (ISO 19005), `text/xml`
        for a LIDO/XML record, `application/dwg` for an AutoCAD DWG architectural
        drawing, or `image/vnd.dxf` for a DXF drawing exchange file.'