# clock.pencoyd.com > AI-optimized mirror of clock.pencoyd.com containing 10 pages of clean markdown content, structured data, and semantic HTML. Original source: https://clock.pencoyd.com/. Last updated: 2026-03-10T03:26:43.820Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [clock – Watching time, the only true currency // A journal from John B. Roberts](/site-root.html): clock ## Listings & Categories - [1GB is for real – clock](/2004/04/01/1gb-is-for-real/index.html): clock - [Exploring the spread of frieNDA – clock](/2005/09/21/exploring-the-spread-of-frienda/index.html): clock - [Sometimes the NDA is real – clock](/2006/04/06/sometimes-the-nda-is-real/index.html): clock - [WhiteHouse.gov archives are a small positive step in preserving digital history – clock](/2017/01/05/whitehouse-gov-archives-are-a-small-positive-step-in-preserving-digital-history.html): clock - [TLD worth the purchase – .app – clock](/2018/06/03/tld-worth-the-purchase-app/index.html): clock - [Links to keep – May 11 2019 – clock](/2019/05/11/links-to-keep-may-11-2019/index.html): clock - [Removing background from an image with Claude and ChatGPT – clock](/2026/01/01/removing-background-from-an-image-with-claude-and-chatgpt.html): clock - [Links to keep – January 15 2026 – clock](/2026/01/15/links-to-keep-january-15-2026/index.html): clock ## About Pages - [About – clock](/about/index.html): clock ## Resources - [Full Page Index](/index.html): Browse all cached pages with rich metadata - [About This Cache](/about.html): Methodology, technical details, and usage guidelines - [XML Sitemap](/sitemap.xml): Machine-readable sitemap for crawler discovery - [Robots.txt](/robots.txt): Crawler directives