[KongchangAI]
Unverified50% confidenceFactExact time

EAN-13 has 13 digits in total, the last of which is the check digit, calculated by a weighted mod-10 algorithm to verify whether the first 12 digits were read correctly.

1
Sources
50%
Confidence
Long-term
Relevance
10/16/2026
First Seen

Sources

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Stable URI
https://kongchang.com/claim/1044180
API
curl https://kongchang.com/api/v1/knowledge/claims/1044180
MCP
get_claim(id=1044180)