I cannot seem to checkout the online service. When I try to access the wensite I get the following error:
504 Gateway Time-out
nginx/1.4.6 (Ubuntu)

When I try to access it through my terminal, I get the following errors-

curl -v -H "Content-type: application/pdf" --data-binary 126579076.pdf "http://scienceparse.allenai.org/v1"
* Trying 54.200.64.26:80...
* TCP_NODELAY set
* Connected to scienceparse.allenai.org (54.200.64.26) port 80 (#0)
> POST /v1 HTTP/1.1
> Host: scienceparse.allenai.org
> User-Agent: curl/7.65.2
> Accept: */*
> Content-type: application/pdf
> Content-Length: 13
>
* upload completely sent off: 13 out of 13 bytes
* Mark bundle as not supporting multiuse
< HTTP/1.1 504 Gateway Time-out
< Server: nginx/1.4.6 (Ubuntu)
< Date: Wed, 23 Oct 2019 16:08:57 GMT
< Content-Type: text/html
< Content-Length: 191
< Connection: close
<

504 Gateway Time-out

504 Gateway Time-out

---

nginx/1.4.6 (Ubuntu)

* Closing connection 0