components:
  schemas:
    Storable:
      description: Common persistence metadata included on stored entities.
      type: object
      additionalProperties: false
      required:
        - id
        - createdAt
        - updatedAt
      properties:
        id:
          description: Unique identifier assigned to the stored entity.
          $ref: ./objectid.yaml#/components/schemas/ObjectId
        createdAt:
          description: RFC 3339 timestamp indicating when the entity was created.
          type: string
          format: date-time
        updatedAt:
          description: RFC 3339 timestamp indicating the most recent entity update.
          type: string
          format: date-time