diff --git a/journals/templates/journals/_publication_details.html b/journals/templates/journals/_publication_details.html
index 00c380eae42234ee2defbf909ef869bd97123aa3..b91b561f69b9ceb9f5f964b548f4ea37537ff1ae 100644
--- a/journals/templates/journals/_publication_details.html
+++ b/journals/templates/journals/_publication_details.html
@@ -14,6 +14,12 @@
</li>
<li><a href="javascript:;" data-toggle="modal" data-target="#bibtextmodal">BiBTeX</a></li>
<li><a href="{% url 'submissions:submission' publication.accepted_submission.arxiv_identifier_w_vn_nr %}">Submissions/Reports</a></li>
+ <li>
+ <!-- Start Crossmark Snippet v2.0 -->
+ <script src="https://crossmark-cdn.crossref.org/widget/v2.0/widget.js"></script>
+ <a data-target="crossmark"><img src="https://crossmark-cdn.crossref.org/widget/v2.0/logos/CROSSMARK_BW_horizontal.svg" width="120" /></a>
+ <!-- End Crossmark Snippet -->
+ </li>
</ul>
</div>
</div>
diff --git a/journals/templates/journals/publication_detail.html b/journals/templates/journals/publication_detail.html
index e71cba60ff028d343366224a34d76021edc3b27f..65a1ce40d09247a4cd9eb8d376e3d47a71586b45 100644
--- a/journals/templates/journals/publication_detail.html
+++ b/journals/templates/journals/publication_detail.html
@@ -31,6 +31,8 @@
<meta name="citation_firstpage" content="{{ publication.paper_nr|paper_nr_string_filter }}"/>
<meta name="citation_pdf_url" content="https://scipost.org/{{ publication.doi_string }}/pdf"/>
+ <meta name="dc.identifier" content="doi:{{ publication.doi_string }}"/>
+
<script>
$(document).ready(function(){
$("#citationslist").hide();
diff --git a/journals/views.py b/journals/views.py
index ccf0be58c62bc682f8fa9186b64936750e4b1bf3..4e4c010058494f8100c1ca1bfcfaa0dea28430f4 100644
--- a/journals/views.py
+++ b/journals/views.py
@@ -455,10 +455,10 @@ def create_metadata_xml(request, doi_label):
initial = {'metadata_xml': ''}
initial['metadata_xml'] += (
'<?xml version="1.0" encoding="UTF-8"?>\n'
- '<doi_batch version="4.3.7" xmlns="http://www.crossref.org/schema/4.3.7" '
+ '<doi_batch version="4.4.0" xmlns="http://www.crossref.org/schema/4.4.0" '
'xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" '
- 'xsi:schemaLocation="http://www.crossref.org/schema/4.3.7 '
- 'http://www.crossref.org/shema/deposit/crossref4.3.7.xsd">\n'
+ 'xsi:schemaLocation="http://www.crossref.org/schema/4.4.0 '
+ 'http://www.crossref.org/shema/deposit/crossref4.4.0.xsd">\n'
'<head>\n'
'<doi_batch_id>' + str(doi_batch_id) + '</doi_batch_id>\n'
'<timestamp>' + timezone.now().strftime('%Y%m%d%H%M%S') + '</timestamp>\n'
@@ -551,6 +551,9 @@ def create_metadata_xml(request, doi_label):
+ publication.doi_string + '/pdf</resource>\n'
'</item></collection>\n'
'</doi_data>\n'
+ '<crossmark>\n'
+ '<crossmark_policy>10.21468/SciPost.CrossmarkPolicy</crossmark_policy>\n'
+ '</crossmark>\n'
)
try:
if publication.metadata['citation_list']: