Dead Url

arXiv:2605.20058 · detector external_links · incontrovertible · 2026-05-20 11:32:40.755593+00:00

advisory external_links dead_url

URL 'https://www.damtp.cam.ac.uk/user/tong/teaching.html' returned status transport error (transport error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1010)) at last check.

Paper page Integrity report arXiv

Evidence payload

{
  "checked_at_unix": 1779276759.8708491,
  "final_url": null,
  "host_kind": "website",
  "status_code": 0,
  "status_text": "transport error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1010)",
  "url": "https://www.damtp.cam.ac.uk/user/tong/teaching.html",
  "verdict_class": "incontrovertible"
}