<?xml version="1.0" encoding="UTF-8"?>  <sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://physical.hatenablog.com/sitemap_common.xml</loc><lastmod>2025-10-26T12:24:52+09:00</lastmod></sitemap><sitemap><loc>https://physical.hatenablog.com/sitemap_periodical.xml?year=2023&amp;month=5</loc><lastmod>2023-05-08T14:01:59+09:00</lastmod></sitemap><sitemap><loc>https://physical.hatenablog.com/sitemap_periodical.xml?year=2018&amp;month=3</loc><lastmod>2018-03-01T11:57:23+09:00</lastmod></sitemap><sitemap><loc>https://physical.hatenablog.com/sitemap_periodical.xml?year=2018&amp;month=2</loc><lastmod>2018-02-26T11:52:13+09:00</lastmod></sitemap><sitemap><loc>https://physical.hatenablog.com/sitemap_periodical.xml?year=2017&amp;month=12</loc><lastmod>2017-12-13T08:10:03+09:00</lastmod></sitemap><sitemap><loc>https://physical.hatenablog.com/sitemap_periodical.xml?year=2017&amp;month=11</loc><lastmod>2017-12-13T08:13:03+09:00</lastmod></sitemap><sitemap><loc>https://physical.hatenablog.com/sitemap_periodical.xml?year=2017&amp;month=10</loc><lastmod>2019-05-24T05:11:08+09:00</lastmod></sitemap><sitemap><loc>https://physical.hatenablog.com/sitemap_periodical.xml?year=2017&amp;month=9</loc><lastmod>2017-10-06T09:41:16+09:00</lastmod></sitemap><sitemap><loc>https://physical.hatenablog.com/sitemap_periodical.xml?year=2017&amp;month=8</loc><lastmod>2019-05-24T05:14:03+09:00</lastmod></sitemap></sitemapindex>