Unverified50% confidenceFactExact time
The Persian letter ی (U+06CC) and the Arabic letter ي (U+064A) look identical in most fonts but are different Unicode code points, and the same applies to ک (U+06A9) and ك (U+0643).
1
Sources
50%
Confidence
Long-term
Relevance
10/19/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedASCII smuggling leverages special characters in the Unicode character set, including zero-width characters, control characters, and Unicode tag characters (in the range U+E0000 to U+E007F).73% similarUnverifiedUnicode includes over 140,000 characters, among which the regular right single quotation mark (U+2019), modifier letter apostrophe (U+02BC), and modifier letter right half ring (U+02BE) are nearly indistinguishable to the naked eye in most font renderings, yet differ at the byte level.67% similarUnverifiedUBA 定义于 Unicode 标准附录 #9，为每个 Unicode 字符分配双向类型65% similarVerifiedUTF-8 uses variable-length encoding, with 1 to 4 bytes capable of representing all Unicode code points, and is fully backward-compatible with ASCII.64% similarUnverifiedBidirectional text processing involves the Unicode Bidirectional Algorithm (UBA), which is used to handle right-to-left writing languages such as Arabic, Hebrew, and Persian.64% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1066742API
curl https://kongchang.com/api/v1/knowledge/claims/1066742MCP
get_claim(id=1066742)