Yonsei University equipment API

openapi: 3.0.1
info:
  title: Pure activity equipment API
  description: The Pure API provides a secure and complete web services API for using and managing research information data in Pure. The API enables a broad range of use-cases for interacting with research information, from anonymous Open Data scenarios to enabling the next generation Pure admin.
  termsOfService: ''
  contact:
    name: ''
    url: ''
    email: pure-support@elsevier.com
  license:
    name: ''
    url: ''
  version: 5.35.3-4
servers:
- url: https://yonsei.elsevierpure.com/ws/api
  description: Yonsei University Elsevier Pure REST API
security:
- api-key: []
tags:
- name: equipment
paths:
  /equipment:
    get:
      tags:
      - equipment
      summary: Lists all equipment
      description: Lists all equipment in the Pure instance. If you need to filter the equipment returned, see the POST version which supports additional filtering.
      operationId: equipment_list
      parameters:
      - name: size
        in: query
        description: Number of returned equipment per request.
        schema:
          maximum: 1000
          type: integer
          format: int32
          default: 10
      - name: offset
        in: query
        description: The offset for the returned list. 0 or null value is from the start
        schema:
          type: integer
          format: int32
          default: 0
      - name: order
        in: query
        description: The order of the list, must be a value from /equipment/orderings
        schema:
          type: string
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EquipmentListResult'
    put:
      tags:
      - equipment
      summary: Create equipment
      description: Create equipment
      operationId: equipment_create
      requestBody:
        description: The content to create
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Equipment'
        required: true
      responses:
        '201':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Equipment'
        '400':
          description: Bad Request
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '409':
          description: Version conflict
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ConflictProblemDetails'
  /equipment/allowed-address-countries:
    get:
      tags:
      - equipment
      summary: A list of allowed address countries
      description: Get a list of allowed countries that can be used for the 'addresses.country' attribute of equipment
      operationId: equipment_getAllowedAddressCountries
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRefList'
  /equipment/allowed-address-subdivision:
    get:
      tags:
      - equipment
      summary: A list of allowed address subdivisions
      description: Get a list of allowed subdivisions that can be used for the 'addresses.subdivisions' attribute of equipment
      operationId: equipment_getAllowedAddressSubdivisions
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRefList'
  /equipment/allowed-address-types:
    get:
      tags:
      - equipment
      summary: A list of allowed address types
      description: Get a list of allowed address types that can be used for the 'addresses.type' attribute of equipment
      operationId: equipment_getAllowedAddressTypes
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRefList'
  /equipment/allowed-categories:
    get:
      tags:
      - equipment
      summary: A list of allowed categories
      description: Get a list of allowed categories on equipment
      operationId: equipment_getAllowedCategories
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRefList'
  /equipment/allowed-classified-identifier-types:
    get:
      tags:
      - equipment
      summary: A list of allowed classified identifier types
      description: Get a list of allowed classified identifier types that can be used for the 'identifiers.type' attribute of equipment
      operationId: equipment_getAllowedClassifiedIdentifierTypes
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRefList'
  /equipment/allowed-custom-defined-field-values/{propertyName}/classifications:
    get:
      tags:
      - equipment
      summary: Get allowed classifications for the custom-defined field associated with the equipment
      description: Get allowed classifications for the custom-defined field associated with the equipment.
      operationId: equipment_getAllowedCustomDefinedFieldClassifications
      parameters:
      - name: propertyName
        in: path
        description: PropertyName for the desired custom-defined field
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRefList'
        '400':
          description: Bad request
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '404':
          description: Resource not found
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
  /equipment/allowed-description-types:
    get:
      tags:
      - equipment
      summary: A list of allowed classifications for the descriptions property
      description: Get a list of classifications that can be used when submitting a description.
      operationId: equipment_getAllowedDescriptionTypes
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRefList'
  /equipment/allowed-email-types:
    get:
      tags:
      - equipment
      summary: A list of allowed e-mail types
      description: Get a list of allowed e-mail types that can be used for the 'emails.type' attribute of equipment
      operationId: equipment_getAllowedEmailTypes
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRefList'
  /equipment/allowed-image-types:
    get:
      tags:
      - equipment
      summary: A list of allowed image types
      description: Get a list of allowed image types that can be used for the 'images.type' attribute of equipment
      operationId: equipment_getAllowedImageTypes
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRefList'
  /equipment/allowed-keyword-group-configurations:
    get:
      tags:
      - equipment
      summary: A list of keyword group configurations
      description: Get a list of allowed keyword group configurations that can be used when submitting keyword groups.
      operationId: equipment_getAllowedKeywordGroupConfigurations
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AllowedKeywordGroupConfigurationList'
  /equipment/allowed-keyword-group-configurations/{id}/classifications:
    get:
      tags:
      - equipment
      summary: A list of allowed classifications for the specified keyword group
      description: Get a list of allowed classifications that can be used when submitting a specified keyword group.
      operationId: equipment_getAllowedKeywordGroupConfigurationClassifications
      parameters:
      - name: id
        in: path
        description: Pure id of the keyword group configuration
        required: true
        schema:
          type: integer
          format: int64
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRefList'
  /equipment/allowed-loan-types:
    get:
      tags:
      - equipment
      summary: A list of allowed loan types
      description: Get a list of allowed loan types that can be used for the 'loan type' attribute of equipment
      operationId: equipment_getAllowedLoanTypes
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRefList'
  /equipment/allowed-locales:
    get:
      tags:
      - equipment
      summary: A list of allowed locales in localized strings
      description: Get a list of allowed locales that can be used when submitting localized string entities.
      operationId: equipment_getAllowedLocales
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LocalesList'
  /equipment/allowed-persons-roles:
    get:
      tags:
      - equipment
      summary: A list of allowed persons roles
      description: Get a list of allowed persons roles
      operationId: equipment_getAllowedPersonsRoles
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRefList'
  /equipment/allowed-phone-number-types:
    get:
      tags:
      - equipment
      summary: A list of allowed phone number types
      description: Get a list of allowed phone number types that can be used for the 'phoneNumbers.type' attribute of equipment
      operationId: equipment_getAllowedPhoneNumberTypes
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRefList'
  /equipment/allowed-types:
    get:
      tags:
      - equipment
      summary: A list of allowed equipment types
      description: Get a list of allowed types that can be used for the 'type' attribute of equipment
      operationId: equipment_getAllowedTypes
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRefList'
  /equipment/allowed-web-address-types:
    get:
      tags:
      - equipment
      summary: A list of allowed web address types
      description: Get a list of allowed web address types that can be used for the 'webAddresses.type' attribute of equipment
      operationId: equipment_getAllowedWebAddressTypes
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClassificationRefList'
  /equipment/allowed-workflow-steps:
    get:
      tags:
      - equipment
      summary: A list of allowed workflow steps in localized strings
      description: Get a list of allowed workflow steps.
      operationId: equipment_getAllowedWorkflowSteps
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WorkflowListResult'
  /equipment/file-uploads:
    put:
      tags:
      - equipment
      summary: Upload file to a specific equipment
      description: Uploads file for the equipment
      operationId: equipment_fileUploads
      parameters:
      - name: Content-Type
        in: header
        description: Set the mime type for the file
        schema:
          type: string
      requestBody:
        content:
          '*/*':
            schema:
              type: string
              format: binary
        required: true
      responses:
        default:
          description: default response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UploadedFile'
            application/xml:
              schema:
                $ref: '#/components/schemas/UploadedFile'
  /equipment/search:
    post:
      tags:
      - equipment
      summary: Query operation for equipment
      description: Lists equipment in the Pure instance that matches the provided query, similar to the GET version, instead of using parameters to alter the response, an JSON document is posted with the request. The JSON document contains fields for all the parameters available for the GET version, but also additional filtering options.
      operationId: equipment_query
      requestBody:
        description: The query to perform
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/EquipmentQuery'
        required: true
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EquipmentListResult'
        '400':
          description: Bad request
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
  /equipment/{uuid}:
    get:
      tags:
      - equipment
      summary: Get equipment
      description: Get equipment with specific UUID.
      operationId: equipment_get
      parameters:
      - name: uuid
        in: path
        description: UUID of the desired equipment
        required: true
        schema:
          pattern: .+
          type: string
          format: uuid
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Equipment'
        '301':
          description: The requested content have changed UUID
        '404':
          description: Resource not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
    put:
      tags:
      - equipment
      summary: Update equipment
      description: Update equipment with specific UUID.
      operationId: equipment_update
      parameters:
      - name: uuid
        in: path
        description: UUID of the equipment to update
        required: true
        schema:
          pattern: .+
          type: string
          format: uuid
      requestBody:
        description: The content to update
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Equipment'
        required: true
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Equipment'
        '400':
          description: Bad Request
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '404':
          description: Resource not found
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
    delete:
      tags:
      - equipment
      summary: Delete equipment
      description: Delete equipment with specific UUID.
      operationId: equipment_delete
      parameters:
      - name: uuid
        in: path
        description: UUID of the equipment
        required: true
        schema:
          pattern: .+
          type: string
          format: uuid
      responses:
        '204':
          description: Successful operation
        '404':
          description: Resource not found
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '409':
          description: Conflict
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ConflictProblemDetails'
  /equipment/{uuid}/actions/lock:
    post:
      tags:
      - equipment
      summary: Lock the content
      description: Mark the content as external (used when content contains synchronised data). This has no effect on interactions with the content through the API.
      operationId: equipment_lock
      parameters:
      - name: uuid
        in: path
        description: UUID of the content to lock
        required: true
        schema:
          pattern: .+
          type: string
          format: uuid
      responses:
        '204':
          description: Content marked as locked
        '404':
          description: Resource not found
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '409':
          description: Content already locked
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ConflictProblemDetails'
  /equipment/{uuid}/actions/unlock:
    post:
      tags:
      - equipment
      summary: Unlock the content
      description: Remove the external mark on the content (used when content contains synchronised data). This has no effect on interactions with the content through the API.
      operationId: equipment_unlock
      parameters:
      - name: uuid
        in: path
        description: UUID of the content to unlock
        required: true
        schema:
          pattern: .+
          type: string
          format: uuid
      responses:
        '204':
          description: Content marked as unlocked
        '404':
          description: Resource not found
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '409':
          description: Content already unlocked
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ConflictProblemDetails'
  /equipment/{uuid}/dependents:
    get:
      tags:
      - equipment
      summary: Lists all dependents to a piece of equipment
      description: 'Lists all dependents to a piece of equipment with the specified UUID. If the user does not have access to view all the dependent content, an authorization error will be thrown. '
      operationId: equipment_dependents
      parameters:
      - name: uuid
        in: path
        description: UUID of the equipment
        required: true
        schema:
          pattern: .+
          type: string
          format: uuid
      - name: verbose
        in: query
        description: DEPRECATED - Parameter has no effect.
        deprecated: true
        schema:
          type: boolean
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContentRefListResult'
  /equipment/{uuid}/files/{fileId}:
    get:
      tags:
      - equipment
      summary: Get file from the equipment
      description: Get file from the equipment
      operationId: equipment_getFile
      parameters:
      - name: uuid
        in: path
        description: UUID of the equipment
        required: true
        schema:
          pattern: .+
          type: string
          format: uuid
      - name: fileId
        in: path
        description: 'File id '
        required: true
        schema:
          pattern: .+
          type: string
      responses:
        '200':
          description: Successful operation
          content:
            '*/*':
              schema:
                type: string
                format: binary
  /equipment/{uuid}/fingerprints:
    get:
      tags:
      - equipment
      summary: Get the fingerprints for the equipment
      description: Get the fingerprints for the equipment with the specified UUID.
      operationId: equipment_getFingerprints
      parameters:
      - name: uuid
        in: path
        description: UUID of the equipment
        required: true
        schema:
          pattern: .+
          type: string
          format: uuid
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FingerprintListResult'
        '403':
          description: Access to requested resource is forbidden
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '404':
          description: Resource not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
  /equipment/{uuid}/notes:
    get:
      tags:
      - equipment
      summary: Lists notes
      description: Lists notes associated with an equipment ordered by date (nulls last)
      operationId: equipment_listNotes
      parameters:
      - name: uuid
        in: path
        description: UUID of the equipment to get notes for
        required: true
        schema:
          pattern: .+
          type: string
          format: uuid
      - name: size
        in: query
        description: Number of returned notes per request
        schema:
          maximum: 1000
          type: integer
          format: int32
          default: 10
      - name: offset
        in: query
        description: The offset for the returned list. 0 or null value is from the start
        schema:
          type: integer
          format: int32
          default: 0
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NoteListResult'
        '404':
          description: Application not found
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
    put:
      tags:
      - equipment
      summary: Create note
      description: Create note and associate it with the equipment
      operationId: equipment_createNote
      parameters:
      - name: uuid
        in: path
        description: UUID of the equipment to add note to
        required: true
        schema:
          pattern: .+
          type: string
          format: uuid
      requestBody:
        description: The note to create
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Note'
        required: true
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Note'
        '400':
          description: Bad Request
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
components:
  schemas:
    Visibility:
      required:
      - key
      type: object
      properties:
        key:
          type: string
          description: Visibility value
          enum:
          - FREE
          - CAMPUS
          - BACKEND
          - CONFIDENTIAL
        description:
          $ref: '#/components/schemas/SystemLocalizedString'
      description: Visibility of an object
    ContentRef:
      required:
      - systemName
      - uuid
      type: object
      properties:
        uuid:
          type: string
          description: UUID of the referred content
          format: uuid
        systemName:
          type: string
      nullable: true
      discriminator:
        propertyName: systemName
        mapping:
          AccessDefinition: '#/components/schemas/AccessDefinitionRef'
          Activity: '#/components/schemas/ActivityRef'
          Application: '#/components/schemas/ApplicationRef'
          AuthorCollaboration: '#/components/schemas/AuthorCollaborationRef'
          Award: '#/components/schemas/AwardRef'
          ClassificationScheme: '#/components/schemas/ClassificationSchemeRef'
          ConferenceSeries: '#/components/schemas/ConferenceSeriesRef'
          DataSet: '#/components/schemas/DataSetRef'
          Equipment: '#/components/schemas/EquipmentRef'
          Event: '#/components/schemas/EventRef'
          ExternalOrganization: '#/components/schemas/ExternalOrganizationRef'
          ExternalPerson: '#/components/schemas/ExternalPersonRef'
          Impact: '#/components/schemas/ImpactRef'
          Journal: '#/components/schemas/JournalRef'
          Organization: '#/components/schemas/OrganizationRef'
          Person: '#/components/schemas/PersonRef'
          Publisher: '#/components/schemas/PublisherRef'
          PressMedia: '#/components/schemas/PressMediaRef'
          Prize: '#/components/schemas/PrizeRef'
          Project: '#/components/schemas/ProjectRef'
          ResearchOutput: '#/components/schemas/ResearchOutputRef'
          StudentThesis: '#/components/schemas/StudentThesisRef'
          FundingOpportunity: '#/components/schemas/FundingOpportunityRef'
          EthicalReview: '#/components/schemas/EthicalReviewRef'
          ApplicationCluster: '#/components/schemas/ApplicationClusterRef'
          AwardCluster: '#/components/schemas/AwardClusterRef'
          User: '#/components/schemas/UserRef'
          ERA2018FieldOfResearch: '#/components/schemas/Anzsrc2008FieldOfResearchRef'
          UnitOfAssessmentREF2014: '#/components/schemas/Ref2014UnitOfAssessmentRef'
          UnitOfAssessmentREF2020: '#/components/schemas/Ref2020UnitOfAssessmentRef'
          ANZSRCTypeOfActivity: '#/components/schemas/Anzsrc2020TypeOfActivityRef'
          ANZSRCFieldOfResearch: '#/components/schemas/Anzsrc2020FieldOfResearchRef'
          ANZSRCSocioEconomicObjective: '#/components/schemas/Anzsrc2020SocioEconomicObjectiveRef'
          Semester: '#/components/schemas/SemesterRef'
          Education: '#/components/schemas/EducationRef'
          Course: '#/components/schemas/CourseRef'
          CurriculumVitae: '#/components/schemas/CurriculumVitaeRef'
          CustomDefinedFieldConfiguration: '#/components/schemas/CustomDefinedFieldConfigurationRef'
          KeywordGroupConfiguration: '#/components/schemas/KeywordGroupConfigurationRef'
          Review: '#/components/schemas/ReviewRef'
          GenericContentRef: '#/components/schemas/GenericContentRef'
          UserProfile: '#/components/schemas/UserProfileRef'
          Thesaurus: '#/components/schemas/ThesaurusRef'
          Concept: '#/components/schemas/ConceptRef'
          PersonExpertise: '#/components/schemas/PersonExpertiseRef'
          Contract: '#/components/schemas/ContractRef'
          Milestone: '#/components/schemas/MilestoneRef'
          Fingerprint: '#/components/schemas/FingerprintRef'
          Specialization: '#/components/schemas/SpecializationRef'
          StudentProject: '#/components/schemas/StudentProjectRef'
    PageInformation:
      type: object
      properties:
        offset:
          type: integer
          description: Offset that returned items start at
          format: int32
        size:
          type: integer
          description: The requested number of items. May be higher than the actual number of items in the result if there are fewer items in the store than requested
          format: int32
      description: Information about pages
    LocalesList:
      type: object
      properties:
        locales:
          pattern: /^[a-z]{2}_[A-Z]{2}$/
          type: array
          description: Allowed locale values for use in localized string entities. The locale format consists of lower-case ISO 639 alpha-2 language code and upper-cased ISO 3166 alpha-2 country code.
          items:
            pattern: /^[a-z]{2}_[A-Z]{2}$/
            type: string
            description: Allowed locale values for use in localized string entities. The locale format consists of lower-case ISO 639 alpha-2 language code and upper-cased ISO 3166 alpha-2 country code.
      description: List of available locales
    OrganizationOrExternalOrganizationRef:
      type: object
      properties:
        organizationRef:
          $ref: '#/components/schemas/OrganizationRef'
        externalOrganizationRef:
          $ref: '#/components/schemas/ExternalOrganizationRef'
      description: A reference to an organization in the institution or an external organization
      nullable: true
    OrganizationRef:
      required:
      - uuid
      type: object
      description: A reference to an organization in the institution
      nullable: true
      allOf:
      - $ref: '#/components/schemas/ContentRef'
    ProjectRef:
      required:
      - uuid
      type: object
      description: A reference to project
      nullable: true
      allOf:
      - $ref: '#/components/schemas/ContentRef'
    Equipment:
      required:
      - loanType
      - managingOrganization
      - organizations
      - title
      - type
      - visibility
      - workflow
      type: object
      properties:
        pureId:
          type: integer
          description: Pure database ID of the object, prefer using the UUID if it is present on the entity
          format: int64
          readOnly: true
        uuid:
          type: string
          description: UUID, this is the primary identity of the entity
          format: uuid
          readOnly: true
        createdBy:
          type: string
          description: Username of creator
          readOnly: true
        createdDate:
          type: string
          description: Date and time of creation
          format: date-time
          readOnly: true
        modifiedBy:
          type: string
          description: Username of the user that performed a modification
          readOnly: true
        modifiedDate:
          type: string
          description: Date and time of last modification
          format: date-time
          readOnly: true
        portalUrl:
          type: string
          description: URL of the content on the Pure Portal
          readOnly: true
        prettyUrlIdentifiers:
          type: array
          description: All pretty URLs
          readOnly: true
          items:
            type: string
            description: All pretty URLs
            readOnly: true
        previousUuids:
          type: array
          description: UUIDs of other content items which have been merged into this content item (or similar)
          readOnly: true
          items:
            type: string
            description: UUIDs of other content items which have been merged into this content item (or similar)
            readOnly: true
        version:
          type: string
          description: Used to guard against conflicting updates. For new content this is null, and for existing content the current value. The property should never be modified by a client, except in the rare case where the client wants to perform an update irrespective of if other clients have made updates in the meantime, also known as a "dirty write". A dirty write 

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# Full source: https://raw.githubusercontent.com/api-evangelist/yonsei/refs/heads/main/openapi/yonsei-equipment-api-openapi.yml