Unverified50% confidenceFactExact time
The ISO 3166-1 alpha-2 standard specifies two-letter country codes, which were directly adopted by ICANN as the basis for ccTLD assignment.
1
Sources
50%
Confidence
Long-term
Relevance
9/9/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedRFC 920的核心设计决策是直接复用ISO 3166-1两字母国家代码作为ccTLD80% similarUnverifiedThe C language standard is maintained by the ISO/IEC JTC1/SC22/WG14 working group.59% similarUnverifiedAnthropic released Claude Code v2.1.193, which enhances command handling and terminal experience, and optimizes the MCP authentication reconnection mechanism.54% similarUnverifiedIEC 61131-3 is an international standard for programmable logic controller programming languages published by the International Electrotechnical Commission, first released in 1993, with the latest version being the third edition (2013).54% similarUnverifiedFree Claude Code (FCC) is an open-source project licensed under MIT that integrates 50 providers, approximately 1.3 billion tokens of monthly free quota, and 9 Coding Agents into a single local proxy.53% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/880720API
curl https://kongchang.com/api/v1/knowledge/claims/880720MCP
get_claim(id=880720)