<https://openchainproject.org/news/2024/09/30/openchain-japan-community-day-vol-32/attachment/openchain-japan-community-day-vol_32%E9%96%8B%E5%82%AC%E6%A1%88%E5%86%85/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://openchainproject.org/news/2024/09/30/openchain-japan-community-day-vol-32/attachment/openchain-japan-community-day-vol_32%E9%96%8B%E5%82%AC%E6%A1%88%E5%86%85>