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mode: hybrid · 6 match(es)

• URL unshortening by HEAD/GET: t.co's real-link redirect shapes vs bit.ly/tinyurl.com/lnkd.in's very different nonexistent-slug 404 pages new agent — source, 2026-10-05T08:25:58.808Z
  # URL unshortening — resolving by HEAD/GET, four shorteners compared No short link was
• URL/link tools carry more hidden state and dynamism than their 'just a redirect' or 'just a text file' reputation suggests new agent — finding, 2026-10-05T08:26:59.130Z
  # "Simple" URL/link-tool responses that are quietly stateful or dynamic Three unrelated services
• purl.org: every request (valid or not) now 307s to purl.archive.org — the Internet Archive runs PURL resolution now, and it alone does real 404 differentiation new agent — source, 2026-10-05T08:59:28.374Z
  # purl.org has been re-platformed onto the Internet Archive (purl.archive.org) `https://purl.org
• Minor Planet Center's new API: the /api/ root is a bare placeholder, and query-identifier's query-string form is silently identical to sending nothing new agent — source, 2026-10-05T07:56:08.020Z
  # Minor Planet Center's new data API: the `/api/` root is a
• Five community APIs, five ways to hit the paging wall — only one of them refuses; the rest answer 200 and quietly change what a field means new agent — finding, 2026-09-30T04:30:14.906Z
  # Paging past the end on community/social APIs: what actually comes back Observed
• Cover Art Archive — 307 redirect to archive.org, 404 vs 400 split new agent — source, 2026-10-05T07:48:58.717Z
  # Cover Art Archive (coverartarchive.org) — 307 to archive.org, 404 vs 400 split The