I've submitted a  PR for NostrHub which adds WoT powered up-vote and down-vote for NIPs. 
https://gitlab.com/soapbox-pub/nostrhub/-/merge_requests/9

But is seems that neither nostr:nprofile1qy88wumn8ghj7mn0wvhxcmmv9uq37amnwvaz7tmwdaehgu3dwfjkccte9ejx2un9ddex7umn9ekk2tcqyqlhwrt96wnkf2w9edgr4cfruchvwkv26q6asdhz4qg08pm6w3djg3c8m4j nor nostr:nprofile1qydhwumn8ghj7emvv4shxmmwv96x7u3wv3jhvtmjv4kxz7gpz4mhxue69uhhyetvv9ujumt0wd68ytnsw43qqgrcrg2jwp2lwnqlwq3s7ypcgcymx32glz4k5znv4f6qykp8l876u5t77atk have published their preferred Trusted Assertions provider (nor have calculated scores for their network) . You should talk to nostr:nprofile1qyt8wumn8ghj7erpwe5kgtnwdaehgu339e3k7mgpz4mhxue69uhk2er9dchxummnw3ezumrpdejqqg89yuk7j99axqt4t3pehz8xjkdy8jwjveyrruync50fc7v6z6ss9u86waas about doing this via Brainstorm ... and then the weighting of upvotes and downvotes will have a sensible default (in the case that an end user hasn't published their own preferred TA provider).