Expired50% confidenceFactExact time
The detection mechanism checks whether the device's time zone is 'Asia/Shanghai' or 'Asia/Germany', and whether the proxy domain appears in an obfuscated list of 147 entries.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/19/2026
First Seen
Valid until: 10/17/2026(expired)
Sources
Related Claims
UnverifiedSince version v2.91, the Claude client has contained a detection logic that activates when users set an unofficial API endpoint, checking whether the device's time zone is Asia/Shanghai or Asia/Germany and whether the proxy domain is in a list of 147 obfuscated entries.80% similarUnverifiedClaude Code's detection mechanism reads the system time zone to determine whether it is Asia/Shanghai or Asia/Urumqi, and scans proxy addresses for Chinese company domain names.77% similarUnverifiedPlatforms use AI detection tools (such as text perplexity analysis and repetitive pattern recognition) to screen for purely machine-generated content.54% similar
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