<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9"><url><loc>https://newsletter.signoz.io/p/why-should-a-trace-id-be-128-bits</loc><news:news><news:publication><news:name>Observability Real Talk</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-05-03T13:48:14+00:00</news:publication_date><news:title>Why should a Trace-ID be 128 bits? (A Surprisingly Long Answer)</news:title></news:news></url></urlset>