The article described by the following json
{"title": "A Cracovia tuffi in piscina per combattere l'ondata di caldo", "summary": "", "date": "Sun, 28 Jun 2026 15:48:46 +0200", "link": "https://www.ansa.it/sito/photogallery/curiosita/2026/06/28/a-cracovia-tuffi-in-piscina-per-combattere-londata-di-caldo_c6b805df-f90a-4b38-afd8-b0e288aa5500.html"}
with the following SHA256 f7b0ee9e82afa9e7fbb9b13a51792470591cfc735e2eb909b90a863d4a1ab81a was timestamped in the Bitcoin blockchain using the Opentimestamps protocol.