[KongchangAI]
Unverified50% confidenceBenchmarkExact time

On the real registry (2.58 million companies, all passing the check digit), for each of 300,000 registered numbers one digit was corrupted: the check digit caught 95.6%, the query caught 4.1%, and 0.29% would land on another real company.

1
Sources
50%
Confidence
Long-term
Relevance
10/15/2026
First Seen

Sources

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Stable URI
https://kongchang.com/claim/1036993
API
curl https://kongchang.com/api/v1/knowledge/claims/1036993
MCP
get_claim(id=1036993)