The article described by the following json
{"title": "Polish PM says railway explosion was 'unprecedented act of sabotage'", "summary": "Authorities say the blast happened on a line leading to the border with Ukraine.", "date": "Mon, 17 Nov 2025 17:42:39 GMT", "link": "https://www.bbc.com/news/articles/cp85g86x0zgo?at_medium=RSS&at_campaign=rss"}
with the following SHA256 1e64a34e47bebde21754b96e2bcb26d2f60f12afea7301018a0bd062a5cd46f4 was timestamped in the Bitcoin blockchain using the Opentimestamps protocol.