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CATCH #191 DETECTED JUL 12, 2026 20:38 UTC
THE CATCHscore 5/10
EXHIBIT 191
Jul 12, 2026 20:38 UTC ct_logs openai.com
Four new subdomains, including 'challenge.openai.com' and 'slack.openai.com', appeared in OpenAI's certificate transparency logs.

READY TO POST:

new openai subdomains like 'challenge.openai.com' popped up in ct logs. wondering what kind of challenges they might be cooking up.

openai's ct logs show new subdomains, including 'slack.openai.com'. looks like some internal or partner integration might be in the works.

EVIDENCE — the receipts
openai.com: 4 new names in CT logs
(a certificate was issued — infrastructure exists before announcements)

[new subdomains] (4)
  + challenge.openai.com
  + slack.openai.com
  + www.challenge.openai.com
  + www.slack.openai.com

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