I don't know but this is the current state

sok/templates/tag/detail.html

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+<!doctype html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8" />
+    <title>Tagging publications</title>
+  </head>
+  <body>
+    {% if publication %}
+        {% for author in publication.authors.all %}
+            <a>{{ author.name }}, </a>
+        {% endfor %}
+        <h2>{{ publication.title }} ({{ publication.year }})</h2>
+        {% if publication.doi %}
+        <!-- atm this is a link under /tag as well! -->
+            <a href="https://doi.org/{{ publication.doi }}">{{ publication.doi }}</a>
+        {% endif %}
+    {% else %}
+        <p>No publications are available.</p>
+    {% endif %}
+  </body>
+</html>

sok/templates/tag/index.html

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+<!doctype html>
+{% load static %}
+
+<link rel="stylesheet" href="{% static 'tag/style.css' %}">
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8" />
+    <title>List for tagging publications</title>
+  </head>
+  <body>
+    {% if newest_publications %}
+        <ul>
+        {% for publication in newest_publications %}
+        <li><a href="{% url 'detail' publication.cite_key %}/">{{ publication.title }}, {{publication.year}}</a></li>
+        {% endfor %}
+        </ul>
+    {% else %}
+        <p>No publications are available.</p>
+    {% endif %}
+  </body>
+</html>