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  <title>Sergey Zheleznov — Goldbach Conjecture Research: Updates</title>
  <subtitle>Status changes, corrections, and new material. No proof of the conjecture is claimed.</subtitle>
  <link href="https://goldbach.zheleznov.com/updates"/>
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  <author><name>Sergey Zheleznov</name></author>
  <updated>2026-07-21T12:00:00Z</updated>
  <entry>
    <id>tag:goldbach.zheleznov.com,2026:/updates#orcid</id>
    <title>ORCID iD registered</title>
    <updated>2026-07-21T12:00:00Z</updated>
    <link href="https://goldbach.zheleznov.com/updates/#orcid"/>
    <content type="text">The author's ORCID iD (0009-0004-7730-9492) is now shown on the home page and embedded in the site's structured data, anchoring the site, future preprint deposits, and the research identity to one persistent identifier.</content>
  </entry>
  <entry>
    <id>tag:goldbach.zheleznov.com,2026:/updates#real-urls</id>
    <title>Real URLs: full static prerender</title>
    <updated>2026-07-21T12:00:00Z</updated>
    <link href="https://goldbach.zheleznov.com/updates/#real-urls"/>
    <content type="text">The site moved from hash-based routing (/#/…) to real per-page URLs with build-time prerendering: every page is now a static HTML document with its own title, description, and canonical URL, readable by search engines and AI crawlers. Old /#/ links redirect automatically. A sitemap and robots.txt were added.</content>
  </entry>
  <entry>
    <id>tag:goldbach.zheleznov.com,2026:/updates#honest-lean-accounting</id>
    <title>Registry numbers re-derived; complete Lean account published</title>
    <updated>2026-07-20T12:00:00Z</updated>
    <link href="https://goldbach.zheleznov.com/updates/#honest-lean-accounting"/>
    <content type="text">All claim-registry and experiment counts on the Methodology page are now generated directly from the research repository and stamped with a snapshot date (2026-07-19: 281 claims, 272 experiments). The Formalization page now carries the complete sorry/axiom account: exactly one sorry (off the critical path — no result depends on it) and nine axiom declarations across five files, each itemized with its role. An earlier claim that understated the recorded full lake builds was corrected as well.</content>
  </entry>
  <entry>
    <id>tag:goldbach.zheleznov.com,2026:/updates#citation-audit</id>
    <title>Citation audit</title>
    <updated>2026-07-20T12:00:00Z</updated>
    <link href="https://goldbach.zheleznov.com/updates/#citation-audit"/>
    <content type="text">Every external reference was verified against its source. Two corrections: the Pintz exceptional-set bound E(X) &lt; X^0.72 is an unpublished preprint (arXiv:1804.09084) and is now labeled as such, with the best published bound (W. C. Lu, J. Number Theory 130 (2010)) listed alongside; dead links to the former Oliveira e Silva verification page were replaced with the journal DOI and an Internet Archive copy. Preprint dates were corrected to May 2026.</content>
  </entry>
  <entry>
    <id>tag:goldbach.zheleznov.com,2026:/updates#v2-redesign</id>
    <title>Redesign into strict academic style</title>
    <updated>2026-07-19T12:00:00Z</updated>
    <link href="https://goldbach.zheleznov.com/updates/#v2-redesign"/>
    <content type="text">The site was rebuilt in an arXiv-like English-language format: a single serif column, per-claim status badges on every page, and a restructured Research section with six subpages (problem survey, results, parity barrier, Lean 4 formalization, numerics, methodology). The CWC3 note (May 2026 revision, with the asset-forensics status box) was added to Publications.</content>
  </entry>
  <entry>
    <id>tag:goldbach.zheleznov.com,2026:/updates#launch</id>
    <title>Site launched</title>
    <updated>2026-07-19T12:00:00Z</updated>
    <link href="https://goldbach.zheleznov.com/updates/#launch"/>
    <content type="text">First public version of this site: partial results with explicit status labels, an analysis of the parity barrier, notes on the Lean 4 formalization, numerical experiments, and draft manuscripts. The Goldbach conjecture is open, and nothing here claims otherwise.</content>
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