Don't trust. Verify.

There are three independent (community-run) Kleros explorers:

1️⃣ Oldest, most established: http://kleroscan.com/
1️⃣ Source: https://github.com/marczeller/Kleros-Monitor-Bot

2️⃣ https://dappalyzer.github.io/kleros-subgraph/
2️⃣ Source: https://github.com/dappalyzer/kleros-subgraph

3️⃣ Kleros explorer: https://kleroscan.netlify.com/
3️⃣ Source: https://github.com/sistemico/kleroscan

They recently developed their own: https://t2cr-dashboard.kleros.io/#/

Check blockchain activity, the amount of ETH and PNK transferred, staking, number of disputes, etc...

Don't trust. Verify.