Why is that your criteria?
nostr:npub1wkwhx86vqdp2zel4uepr0uhs8rzm9mmn4jhdsnw4vnn5gy8zdedsh2y9sj
No, but if I can test something myself then I'm more inclined to believe it.
For example, I believe that newspaper is flammable, because I have tested this myself.
Discussion
nostr:npub1wkwhx86vqdp2zel4uepr0uhs8rzm9mmn4jhdsnw4vnn5gy8zdedsh2y9sj
Because I can test it, i.e. verify it.