Unverified50% confidenceFactExact time
:user-valid/:user-invalid are stably supported in Chrome 119+, Firefox 88+, and Safari 16.5+
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/28/2026
First Seen
Valid until: 12/27/2026
Sources
Related Entities
Cite This Claim
Stable URI
https://kongchang.com/claim/955730API
curl https://kongchang.com/api/v1/knowledge/claims/955730MCP
get_claim(id=955730)