diff --git a/cypress/integration/persons.js b/cypress/integration/persons.js
index daad8ca..d5a4b41 100644
--- a/cypress/integration/persons.js
+++ b/cypress/integration/persons.js
@@ -1,892 +1,987 @@
 /**
  * Copyright (C) 2020  The Software Heritage developers
  * See the AUTHORS file at the top-level directory of this distribution
  * License: GNU Affero General Public License version 3, or any later version
  * See top-level LICENSE file for more information
  */
 
 /*
  * Tests the author/contributor dynamic fieldsets
  */
 
 "use strict";
 
 describe('Zero author', function() {
     it('can be exported', function() {
         cy.get('#name').type('My Test Software');
         cy.get('#generateCodemetaV2').click();
 
         cy.get('#errorMessage').should('have.text', '');
         cy.get('#codemetaText').then((elem) => JSON.parse(elem.text()))
             .should('deep.equal', {
                 "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
         });
     });
 
     it('can be imported from no list', function() {
         cy.get('#codemetaText').then((elem) =>
             elem.text(JSON.stringify({
                 "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
                 "@type": "SoftwareSourceCode",
                 "name": "My Test Software",
             }))
         );
         cy.get('#importCodemeta').click();
 
         cy.get('#author_nb').should('have.value', '0');
         cy.get('#author_0').should('not.exist');
         cy.get('#author_1').should('not.exist');
     });
 
     it('can be imported from empty list', function() {
         cy.get('#codemetaText').then((elem) =>
             elem.text(JSON.stringify({
                 "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
                 "@type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [],
             }))
         );
         cy.get('#importCodemeta').click();
 
         cy.get('#author_nb').should('have.value', '0');
         cy.get('#author_0').should('not.exist');
         cy.get('#author_1').should('not.exist');
     });
 });
 
 describe('One full author', function() {
     it('can be exported', function() {
         cy.get('#name').type('My Test Software');
 
         cy.get('#author_nb').should('have.value', '0');
         cy.get('#author_0').should('not.exist');
         cy.get('#author_1').should('not.exist');
         cy.get('#author_1_givenName').should('not.exist');
 
         cy.get('#author_add').click();
         cy.get('#author_nb').should('have.value', '1');
         cy.get('#author_0').should('not.exist');
         cy.get('#author_1').should('exist');
         cy.get('#author_2').should('not.exist');
 
         cy.get('#author_1_givenName').should('have.value', '');
         cy.get('#author_1_familyName').should('have.value', '');
         cy.get('#author_1_email').should('have.value', '');
         cy.get('#author_1_id').should('have.value', '');
         cy.get('#author_1_affiliation').should('have.value', '');
 
         cy.get('#author_1_givenName').type('Jane');
         cy.get('#author_1_familyName').type('Doe');
         cy.get('#author_1_email').type('jdoe@example.org');
         cy.get('#author_1_id').type('http://example.org/~jdoe');
         cy.get('#author_1_affiliation').type('http://example.org/');
 
         cy.get('#generateCodemetaV2').click();
 
         cy.get('#errorMessage').should('have.text', '');
         cy.get('#codemetaText').then((elem) => JSON.parse(elem.text()))
             .should('deep.equal', {
                 "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "type": "Person",
                         "id": "http://example.org/~jdoe",
                         "givenName": "Jane",
                         "familyName": "Doe",
                         "email": "jdoe@example.org",
                         "affiliation": {
                             "type": "Organization",
                             "id": "http://example.org/",
                         }
                     }
                 ],
         });
     });
 
     it('can be imported even if there is also a role-less author', function() {
         cy.get('#codemetaText').then((elem) =>
             elem.text(JSON.stringify({
                 "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
                 "@type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "@type": "Person",
                         "@id": "http://example.org/~jdoe",
                         "givenName": "Jane",
                         "familyName": "Doe",
                         "email": "jdoe@example.org",
                         "affiliation": {
                             "@type": "Organization",
                             "@id": "http://example.org/",
                         }
                     }
                 ],
             }))
         );
         cy.get('#importCodemeta').click();
 
         cy.get('#author_nb').should('have.value', '1');
         cy.get('#author_0').should('not.exist');
         cy.get('#author_1').should('exist');
         cy.get('#author_2').should('not.exist');
         cy.get('#author_1_givenName').should('have.value', 'Jane');
         cy.get('#author_1_familyName').should('have.value', 'Doe');
         cy.get('#author_1_email').should('have.value', 'jdoe@example.org');
         cy.get('#author_1_id').should('have.value', 'http://example.org/~jdoe');
         cy.get('#author_1_affiliation').should('have.value', 'http://example.org/');
     });
 
     it('is imported without its id if it is a blank node', function() {
         cy.get('#codemetaText').then((elem) =>
             elem.text(JSON.stringify({
                 "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
                 "@type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "@type": "Person",
                         "@id": "_:author_1",
                         "givenName": "Jane",
                     }
                 ],
             }))
         );
         cy.get('#importCodemeta').click();
 
         cy.get('#author_1_givenName').should('have.value', 'Jane');
         cy.get('#author_1_id').should('have.value', '');
     });
 });
 
 describe('Affiliation id', function() {
     it('can be exported', function() {
         cy.get('#name').type('My Test Software');
 
         cy.get('#author_add').click();
         cy.get('#author_1_givenName').type('Jane');
         cy.get('#author_1_affiliation').type('http://example.org/');
 
         cy.get('#generateCodemetaV2').click();
 
         cy.get('#errorMessage').should('have.text', '');
         cy.get('#codemetaText').then((elem) => JSON.parse(elem.text()))
             .should('deep.equal', {
                 "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "id": "_:author_1",
                         "type": "Person",
                         "givenName": "Jane",
                         "affiliation": {
                             "type": "Organization",
                             "id": "http://example.org/",
                         }
                     }
                 ],
         });
     });
 
     it('can be imported', function() {
         cy.get('#codemetaText').then((elem) =>
             elem.text(JSON.stringify({
                 "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
                 "@type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "@type": "Person",
                         "@id": "http://example.org/~jdoe",
                         "givenName": "Jane",
                         "familyName": "Doe",
                         "email": "jdoe@example.org",
                         "affiliation": {
                             "@type": "Organization",
                             "@id": "http://example.org/",
                         }
                     }
                 ],
             }))
         );
         cy.get('#importCodemeta').click();
 
         cy.get('#author_nb').should('have.value', '1');
         cy.get('#author_0').should('not.exist');
         cy.get('#author_1').should('exist');
         cy.get('#author_2').should('not.exist');
         cy.get('#author_1_affiliation').should('have.value', 'http://example.org/');
     });
 });
 
 describe('Affiliation name', function() {
     it('can be exported', function() {
         cy.get('#name').type('My Test Software');
 
         cy.get('#author_add').click();
         cy.get('#author_1_givenName').type('Jane');
         cy.get('#author_1_affiliation').type('Example Org');
 
         cy.get('#generateCodemetaV2').click();
 
         cy.get('#errorMessage').should('have.text', '');
         cy.get('#codemetaText').then((elem) => JSON.parse(elem.text()))
             .should('deep.equal', {
                 "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "id": "_:author_1",
                         "type": "Person",
                         "givenName": "Jane",
                         "affiliation": {
                             "type": "Organization",
                             "name": "Example Org",
                         }
                     }
                 ],
         });
     });
 
     it('can be imported', function() {
         cy.get('#codemetaText').then((elem) =>
             elem.text(JSON.stringify({
                 "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
                 "@type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "@type": "Person",
                         "@id": "http://example.org/~jdoe",
                         "givenName": "Jane",
                         "familyName": "Doe",
                         "email": "jdoe@example.org",
                         "affiliation": {
                             "@type": "Organization",
                             "name": "Example Org",
                         }
                     }
                 ],
             }))
         );
         cy.get('#importCodemeta').click();
 
         cy.get('#author_nb').should('have.value', '1');
         cy.get('#author_0').should('not.exist');
         cy.get('#author_1').should('exist');
         cy.get('#author_2').should('not.exist');
         cy.get('#author_1_affiliation').should('have.value', 'Example Org');
     });
 });
 
 describe('Author order change', function() {
     it('is a noop with a single author', function() {
         cy.get('#name').type('My Test Software');
 
         cy.get('#author_add').click();
         cy.get('#author_1_givenName').type('Jane');
         cy.get('#author_1_affiliation').type('Example Org');
 
         cy.get('#author_1_moveToRight').click();
 
         cy.get('#author_1_givenName').should('have.value', 'Jane');
         cy.get('#author_1_affiliation').should('have.value', 'Example Org');
 
         cy.get('#author_1_moveToLeft').click();
 
         cy.get('#author_1_givenName').should('have.value', 'Jane');
         cy.get('#author_1_affiliation').should('have.value', 'Example Org');
     });
 
     it('flips two authors', function() {
         cy.get('#name').type('My Test Software');
 
         cy.get('#author_add').click();
         cy.get('#author_add').click();
         cy.get('#author_add').click();
         cy.get('#author_1_givenName').type('Jane');
         cy.get('#author_1_affiliation').type('Example Org');
         cy.get('#author_2_givenName').type('John');
         cy.get('#author_2_familyName').type('Doe');
         cy.get('#author_3_givenName').type('Alex');
 
         cy.get('#author_1_moveToRight').click();
 
         cy.get('#author_1_givenName').should('have.value', 'John');
         cy.get('#author_1_familyName').should('have.value', 'Doe');
         cy.get('#author_1_affiliation').should('have.value', '');
 
         cy.get('#author_2_givenName').should('have.value', 'Jane');
         cy.get('#author_2_familyName').should('have.value', '');
         cy.get('#author_2_affiliation').should('have.value', 'Example Org');
 
         cy.get('#author_3_givenName').should('have.value', 'Alex');
         cy.get('#author_3_familyName').should('have.value', '');
         cy.get('#author_3_affiliation').should('have.value', '');
     });
 
     it('updates generated Codemeta', function() {
         cy.get('#name').type('My Test Software');
 
         cy.get('#author_add').click();
         cy.get('#author_add').click();
         cy.get('#author_1_givenName').type('Jane');
         cy.get('#author_1_affiliation').type('Example Org');
         cy.get('#author_2_givenName').type('John');
         cy.get('#author_2_familyName').type('Doe');
 
         cy.get('#generateCodemetaV2').click();
 
         cy.get('#codemetaText').then((elem) => JSON.parse(elem.text()))
             .should('deep.equal', {
                 "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "id": "_:author_1",
                         "type": "Person",
                         "givenName": "Jane",
                         "affiliation": {
                             "type": "Organization",
                             "name": "Example Org",
                         }
                     },
                     {
                         "id": "_:author_2",
                         "type": "Person",
                         "givenName": "John",
                         "familyName": "Doe",
                     },
                 ],
         });
 
         cy.get('#author_1_moveToRight').click();
 
         cy.get('#codemetaText').then((elem) => JSON.parse(elem.text()))
             .should('deep.equal', {
                 "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "id": "_:author_1",
                         "type": "Person",
                         "givenName": "John",
                         "familyName": "Doe",
                     },
                     {
                         "id": "_:author_2",
                         "type": "Person",
                         "givenName": "Jane",
                         "affiliation": {
                             "type": "Organization",
                             "name": "Example Org",
                         }
                     },
                 ],
         });
     });
 
     it('wraps around to the right', function() {
         cy.get('#name').type('My Test Software');
 
         cy.get('#author_add').click();
         cy.get('#author_add').click();
         cy.get('#author_add').click();
         cy.get('#author_1_givenName').type('Jane');
         cy.get('#author_1_affiliation').type('Example Org');
         cy.get('#author_2_givenName').type('John');
         cy.get('#author_2_familyName').type('Doe');
         cy.get('#author_3_givenName').type('Alex');
 
         cy.get('#author_1_moveToLeft').click()
 
         cy.get('#author_1_givenName').should('have.value', 'Alex');
         cy.get('#author_1_familyName').should('have.value', '');
         cy.get('#author_1_affiliation').should('have.value', '');
 
         cy.get('#author_2_givenName').should('have.value', 'John');
         cy.get('#author_2_familyName').should('have.value', 'Doe');
         cy.get('#author_2_affiliation').should('have.value', '');
 
         cy.get('#author_3_givenName').should('have.value', 'Jane');
         cy.get('#author_3_familyName').should('have.value', '');
         cy.get('#author_3_affiliation').should('have.value', 'Example Org');
     });
 
     it('wraps around to the left', function() {
         cy.get('#name').type('My Test Software');
 
         cy.get('#author_add').click();
         cy.get('#author_add').click();
         cy.get('#author_add').click();
         cy.get('#author_1_givenName').type('Jane');
         cy.get('#author_1_affiliation').type('Example Org');
         cy.get('#author_2_givenName').type('John');
         cy.get('#author_2_familyName').type('Doe');
         cy.get('#author_3_givenName').type('Alex');
 
         cy.get('#author_3_moveToRight').click()
 
         cy.get('#author_1_givenName').should('have.value', 'Alex');
         cy.get('#author_1_familyName').should('have.value', '');
         cy.get('#author_1_affiliation').should('have.value', '');
 
         cy.get('#author_2_givenName').should('have.value', 'John');
         cy.get('#author_2_familyName').should('have.value', 'Doe');
         cy.get('#author_2_affiliation').should('have.value', '');
 
         cy.get('#author_3_givenName').should('have.value', 'Jane');
         cy.get('#author_3_familyName').should('have.value', '');
         cy.get('#author_3_affiliation').should('have.value', 'Example Org');
     });
 });
 
 describe('One author with a role', function () {
     it('can be exported in both codemeta v2.0 and v3.0 versions', function () {
         cy.get('#name').type('My Test Software');
 
         cy.get('#author_add').click();
         cy.get('#author_1_givenName').type('Jane');
 
         cy.get('#author_1_role_add').click();
         cy.get('#author_1_roleName_0').type('Developer');
         cy.get('#author_1_startDate_0').type('2024-03-04');
         cy.get('#author_1_endDate_0').type('2024-04-03');
 
         cy.get('#generateCodemetaV2').click();
         cy.get('#codemetaText').then((elem) => JSON.parse(elem.text()))
             .should('deep.equal', {
                 "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "id": "_:author_1",
                         "type": "Person",
                         "givenName": "Jane"
                     },
                     {
                         "type": "schema:Role",
                         "schema:author": "_:author_1",
                         "schema:roleName": "Developer",
                         "schema:startDate": "2024-03-04",
                         "schema:endDate": "2024-04-03"
                     }
                 ]
             });
 
         cy.get('#generateCodemetaV3').click();
         cy.get('#codemetaText').then((elem) => JSON.parse(elem.text()))
             .should('deep.equal', {
                 "@context": "https://w3id.org/codemeta/3.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "id": "_:author_1",
                         "type": "Person",
                         "givenName": "Jane"
                     },
                     {
                         "type": "Role",
                         "schema:author": "_:author_1",
                         "roleName": "Developer",
                         "startDate": "2024-03-04",
                         "endDate": "2024-04-03"
                     }
                 ]
             });
     });
 
     it('can have two roles', function () {
         cy.get('#name').type('My Test Software');
 
         cy.get('#author_add').click();
         cy.get('#author_1_givenName').type('Jane');
 
         cy.get('#author_1_role_add').click();
         cy.get('#author_1_roleName_0').type('Developer');
         cy.get('#author_1_startDate_0').type('2024-03-04');
         cy.get('#author_1_endDate_0').type('2024-04-03');
 
         cy.get('#author_1_role_add').click();
         cy.get('#author_1_roleName_1').type('Maintainer');
         cy.get('#author_1_startDate_1').type('2024-04-04');
         cy.get('#author_1_endDate_1').type('2024-05-05');
 
         cy.get('#generateCodemetaV3').click();
         cy.get('#codemetaText').then((elem) => JSON.parse(elem.text()))
             .should('deep.equal', {
                 "@context": "https://w3id.org/codemeta/3.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "id": "_:author_1",
                         "type": "Person",
                         "givenName": "Jane"
                     },
                     {
                         "type": "Role",
                         "schema:author": "_:author_1",
                         "roleName": "Maintainer",
                         "startDate": "2024-04-04",
                         "endDate": "2024-05-05"
                     },
                     {
                         "type": "Role",
                         "schema:author": "_:author_1",
                         "roleName": "Developer",
                         "startDate": "2024-03-04",
                         "endDate": "2024-04-03"
                     }
                 ]
             });
     });
 
     it('can be deleted then added again', function () {
         cy.get('#name').type('My Test Software');
 
         cy.get('#author_add').click();
         cy.get('#author_1_givenName').type('Jane');
 
         cy.get('#author_1_role_add').click();
         cy.get('#author_1_roleName_0').type('Developer');
         cy.get('#author_1_startDate_0').type('2024-03-04');
         cy.get('#author_1_endDate_0').type('2024-04-03');
         cy.get('#author_1_role_remove_0').click();
 
         cy.get('#author_1_role_add').click();
         cy.get('#author_1_roleName_1').type('Maintainer');
         cy.get('#author_1_startDate_1').type('2024-04-04');
         cy.get('#author_1_endDate_1').type('2024-05-05');
 
         cy.get('#generateCodemetaV3').click();
         cy.get('#codemetaText').then((elem) => JSON.parse(elem.text()))
             .should('deep.equal', {
                 "@context": "https://w3id.org/codemeta/3.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "id": "_:author_1",
                         "type": "Person",
                         "givenName": "Jane"
                     },
                     {
                         "type": "Role",
                         "schema:author": "_:author_1",
                         "roleName": "Maintainer",
                         "startDate": "2024-04-04",
                         "endDate": "2024-05-05"
                     }
                 ]
             });
     });
 
     it('can be imported', function () {
         cy.get('#codemetaText').then((elem) =>
             elem.text(JSON.stringify({
                 "@context": "https://w3id.org/codemeta/3.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "id": "_:author_1",
                         "type": "Person",
                         "givenName": "Jane"
                     },
                     {
                         "type": "Role",
                         "schema:author": "_:author_1",
                         "roleName": "Developer",
                         "startDate": "2024-03-04",
                         "endDate": "2024-04-03"
                     }
                 ]
             }))
         );
         cy.get('#importCodemeta').click();
 
         cy.get('#author_nb').should('have.value', '1');
         cy.get('#author_1_givenName').should('have.value', 'Jane');
         cy.get('#author_1_roleName_0').should('have.value', 'Developer');
         cy.get('#author_1_startDate_0').should('have.value', '2024-03-04');
         cy.get('#author_1_endDate_0').should('have.value', '2024-04-03');
     });
 
     it('can be imported without an id', function () {
         cy.get('#codemetaText').then((elem) =>
             elem.text(JSON.stringify({
                 "@context": "https://w3id.org/codemeta/3.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "type": "Person",
                         "givenName": "Jane"
                     },
                     {
                         "type": "Role",
                         "schema:author": {
                             "type": "Person",
                             "givenName": "Jane"
                         },
                         "roleName": "Developer",
                         "startDate": "2024-03-04",
                         "endDate": "2024-04-03"
                     }
                 ]
             }))
         );
         cy.get('#importCodemeta').click();
 
         cy.get('#author_nb').should('have.value', '1');
         cy.get('#author_1_givenName').should('have.value', 'Jane');
         cy.get('#author_1_roleName_0').should('have.value', 'Developer');
         cy.get('#author_1_startDate_0').should('have.value', '2024-03-04');
         cy.get('#author_1_endDate_0').should('have.value', '2024-04-03');
     });
 
     it('can be imported when there is a second one, and they are merged', function () {
         cy.get('#codemetaText').then((elem) =>
             elem.text(JSON.stringify({
                 "@context": "https://w3id.org/codemeta/3.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "type": "Person",
                         "givenName": "Jane"
                     },
                     {
                         "type": "Role",
                         "schema:author": {
                             "type": "Person",
                             "givenName": "Jane"
                         },
                         "roleName": "Maintainer",
                         "startDate": "2024-04-04",
                         "endDate": "2024-05-05"
                     },
                     {
                         "type": "Role",
                         "schema:author": {
                             "type": "Person",
                             "givenName": "Jane"
                         },
                         "roleName": "Developer",
                         "startDate": "2024-03-04",
                         "endDate": "2024-04-03"
                     }
                 ]
             }))
         );
         cy.get('#importCodemeta').click();
 
         cy.get('#author_nb').should('have.value', '1');
         cy.get('#author_1_givenName').should('have.value', 'Jane');
         cy.get('#author_1_roleName_0').should('have.value', 'Maintainer');
         cy.get('#author_1_startDate_0').should('have.value', '2024-04-04');
         cy.get('#author_1_endDate_0').should('have.value', '2024-05-05');
         cy.get('#author_1_roleName_1').should('have.value', 'Developer');
         cy.get('#author_1_startDate_1').should('have.value', '2024-03-04');
         cy.get('#author_1_endDate_1').should('have.value', '2024-04-03');
     });
 });
 
 describe('Multiple authors', function () {
     it('who both have roles can be exported', function () {
         cy.get('#name').type('My Test Software');
 
         cy.get('#author_add').click();
         cy.get('#author_1_givenName').type('Jane');
 
         cy.get('#author_add').click();
         cy.get('#author_2_givenName').type('Joe');
 
         cy.get('#author_1_role_add').click();
         cy.get('#author_1_roleName_0').type('Developer');
         cy.get('#author_1_startDate_0').type('2024-03-04');
         cy.get('#author_1_endDate_0').type('2024-04-03');
 
         cy.get('#author_2_role_add').click();
         cy.get('#author_2_roleName_0').type('Maintainer');
         cy.get('#author_2_startDate_0').type('2024-04-04');
         cy.get('#author_2_endDate_0').type('2024-05-05');
 
         cy.get('#generateCodemetaV3').click();
         cy.get('#codemetaText').then((elem) => JSON.parse(elem.text()))
             .should('deep.equal', {
                 "@context": "https://w3id.org/codemeta/3.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "id": "_:author_1",
                         "type": "Person",
                         "givenName": "Jane"
                     },
                     {
                         "type": "Role",
                         "schema:author": "_:author_1",
                         "roleName": "Developer",
                         "startDate": "2024-03-04",
                         "endDate": "2024-04-03"
                     },
                     {
                         "id": "_:author_2",
                         "type": "Person",
                         "givenName": "Joe"
                     },
                     {
                         "type": "Role",
                         "schema:author": "_:author_2",
                         "roleName": "Maintainer",
                         "startDate": "2024-04-04",
                         "endDate": "2024-05-05"
                     }
                 ]
             });
     });
 
     it('whose one has a role and the other not can be exported', function () {
         cy.get('#name').type('My Test Software');
 
         cy.get('#author_add').click();
         cy.get('#author_1_givenName').type('Jane');
 
         cy.get('#author_add').click();
         cy.get('#author_2_givenName').type('Joe');
 
         cy.get('#author_1_role_add').click();
         cy.get('#author_1_roleName_0').type('Developer');
         cy.get('#author_1_startDate_0').type('2024-03-04');
         cy.get('#author_1_endDate_0').type('2024-04-03');
 
         cy.get('#generateCodemetaV3').click();
         cy.get('#codemetaText').then((elem) => JSON.parse(elem.text()))
             .should('deep.equal', {
                 "@context": "https://w3id.org/codemeta/3.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "id": "_:author_1",
                         "type": "Person",
                         "givenName": "Jane"
                     },
                     {
                         "type": "Role",
                         "schema:author": "_:author_1",
                         "roleName": "Developer",
                         "startDate": "2024-03-04",
                         "endDate": "2024-04-03"
                     },
                     {
                         "id": "_:author_2",
                         "type": "Person",
                         "givenName": "Joe"
                     }
                 ]
             });
     });
 
     it('who both have roles can be imported', function () {
         cy.get('#codemetaText').then((elem) =>
             elem.text(JSON.stringify({
                  "@context": "https://w3id.org/codemeta/3.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "type": "Person",
                         "givenName": "Jane"
                     },
                     {
                         "type": "Role",
                         "schema:author": {
                             "type": "Person",
                             "givenName": "Jane"
                         },
                         "roleName": "Developer",
                         "startDate": "2024-03-04",
                         "endDate": "2024-04-03"
                     },
                     {
                         "type": "Person",
                         "givenName": "Joe"
                     },
                     {
                         "type": "Role",
                         "schema:author": {
                             "type": "Person",
                             "givenName": "Joe"
                         },
                         "roleName": "Maintainer",
                         "startDate": "2024-04-04",
                         "endDate": "2024-05-05"
                     }
                 ]
             }))
         );
         cy.get('#importCodemeta').click();
 
         cy.get('#author_nb').should('have.value', '2');
         cy.get('#author_1_givenName').should('have.value', 'Jane');
         cy.get('#author_1_roleName_0').should('have.value', 'Developer');
         cy.get('#author_1_startDate_0').should('have.value', '2024-03-04');
         cy.get('#author_1_endDate_0').should('have.value', '2024-04-03');
         cy.get('#author_2_givenName').should('have.value', 'Joe');
         cy.get('#author_2_roleName_0').should('have.value', 'Maintainer');
         cy.get('#author_2_startDate_0').should('have.value', '2024-04-04');
         cy.get('#author_2_endDate_0').should('have.value', '2024-05-05');
     });
 
     it('whose one has a role and the other not can be imported', function () {
         cy.get('#codemetaText').then((elem) =>
             elem.text(JSON.stringify({
                  "@context": "https://w3id.org/codemeta/3.0",
                 "type": "SoftwareSourceCode",
                 "name": "My Test Software",
                 "author": [
                     {
                         "type": "Person",
                         "givenName": "Jane"
                     },
                     {
                         "type": "Role",
                         "schema:author": {
                             "type": "Person",
                             "givenName": "Jane"
                         },
                         "roleName": "Developer",
                         "startDate": "2024-03-04",
                         "endDate": "2024-04-03"
                     },
                     {
                         "type": "Person",
                         "givenName": "Joe"
                     }
                 ]
             }))
         );
         cy.get('#importCodemeta').click();
 
         cy.get('#author_nb').should('have.value', '2');
         cy.get('#author_1_givenName').should('have.value', 'Jane');
         cy.get('#author_1_roleName_0').should('have.value', 'Developer');
         cy.get('#author_1_startDate_0').should('have.value', '2024-03-04');
         cy.get('#author_1_endDate_0').should('have.value', '2024-04-03');
         cy.get('#author_2_givenName').should('have.value', 'Joe');
     });
 });
+
+describe('Contributors', function () {
+    it('are exported as an object when unique', function () {
+        cy.get('#name').type('My Test Software');
+
+        cy.get('#contributor_add').click();
+        cy.get('#contributor_1_givenName').type('Jane');
+
+        cy.get('#generateCodemetaV3').click();
+        cy.get('#codemetaText').then((elem) => JSON.parse(elem.text()))
+            .should('deep.equal', {
+                "@context": "https://w3id.org/codemeta/3.0",
+                "type": "SoftwareSourceCode",
+                "name": "My Test Software",
+                "contributor": {
+                    "id": "_:contributor_1",
+                    "type": "Person",
+                    "givenName": "Jane"
+                }
+            });
+    });
+
+    it('are exported as an array when multiple', function () {
+        cy.get('#name').type('My Test Software');
+
+        cy.get('#contributor_add').click();
+        cy.get('#contributor_1_givenName').type('Jane');
+
+        cy.get('#contributor_add').click();
+        cy.get('#contributor_2_givenName').type('Joe');
+
+        cy.get('#generateCodemetaV3').click();
+        cy.get('#codemetaText').then((elem) => JSON.parse(elem.text()))
+            .should('deep.equal', {
+                "@context": "https://w3id.org/codemeta/3.0",
+                "type": "SoftwareSourceCode",
+                "name": "My Test Software",
+                "contributor": [
+                    {
+                        "id": "_:contributor_1",
+                        "type": "Person",
+                        "givenName": "Jane"
+                    },
+                    {
+                        "id": "_:contributor_2",
+                        "type": "Person",
+                        "givenName": "Joe"
+                    }
+                ]
+            });
+    });
+
+    it('can be imported when unique', function () {
+        cy.get('#codemetaText').then((elem) =>
+            elem.text(JSON.stringify({
+                "@context": "https://w3id.org/codemeta/3.0",
+                "type": "SoftwareSourceCode",
+                "name": "My Test Software",
+                "contributor": {
+                    "type": "Person",
+                    "givenName": "Jane"
+                 }
+            }))
+        );
+        cy.get('#importCodemeta').click();
+
+        cy.get('#contributor_nb').should('have.value', '1');
+        cy.get('#contributor_1_givenName').should('have.value', 'Jane');
+    });
+
+    it('can be imported when multiple', function () {
+        cy.get('#codemetaText').then((elem) =>
+            elem.text(JSON.stringify({
+                "@context": "https://w3id.org/codemeta/3.0",
+                "type": "SoftwareSourceCode",
+                "name": "My Test Software",
+                "contributor": [
+                    {
+                        "type": "Person",
+                        "givenName": "Jane"
+                    },
+                    {
+                        "type": "Person",
+                        "givenName": "Joe"
+                    }
+                ]
+            }))
+        );
+        cy.get('#importCodemeta').click();
+
+        cy.get('#contributor_nb').should('have.value', '2');
+        cy.get('#contributor_1_givenName').should('have.value', 'Jane');
+        cy.get('#contributor_2_givenName').should('have.value', 'Joe');
+    });
+});