graphql-hive: self-hosted federation supergraph CDN fetch 404

I’m following the directions here: https://the-guild.dev/graphql/hive/docs/get-started/apollo-federation#fetch-your-supergraph in combination with https://the-guild.dev/graphql/hive/docs/self-hosting/get-started. I’ve created a CDN access token in my project target, and using curl I get a 404. My project is a federation project, and I’m using the CDN url displayed with the Apollo Federation dropdown option selected: http://localhost:8082/artifacts/v1/47396693-70f6-4fb8-9427-e7af1643049e/supergraph

➜  hive curl -v -L -H "X-Hive-CDN-Key: hv2NGZjMTY1OGQtZWY5Zi00ZWM2LThjOWEtNzQ0ZTNmZDk5Mzg1OmE0M2Y1NjEyZjY2ZGFjNmUxNGQwMTc0YWZiZTU1NzYwYmYyZDYwMmY=" http://localhost:8082/artifacts/v1/47396693-70f6-4fb8-9427-e7af1643049e/supergraph
*   Trying 127.0.0.1:8082...
* Connected to localhost (127.0.0.1) port 8082 (#0)
> GET /artifacts/v1/47396693-70f6-4fb8-9427-e7af1643049e/supergraph HTTP/1.1
> Host: localhost:8082
> User-Agent: curl/7.88.1
> Accept: */*
> X-Hive-CDN-Key: hv2NGZjMTY1OGQtZWY5Zi00ZWM2LThjOWEtNzQ0ZTNmZDk5Mzg1OmE0M2Y1NjEyZjY2ZGFjNmUxNGQwMTc0YWZiZTU1NzYwYmYyZDYwMmY=
>
< HTTP/1.1 404 Not Found
< vary: Origin
< access-control-allow-origin: *
< content-type: text/plain;charset=UTF-8
< content-length: 10
< Date: Tue, 08 Aug 2023 05:10:36 GMT
< Connection: keep-alive
< Keep-Alive: timeout=5
<
* Connection #0 to host localhost left intact
Not found.%

in the docker-compose logs, this is all I see:

hive-server-1                | {"level":30,"time":1691471470056,"pid":1,"hostname":"eb6affb4318c","msg":"[404] (::ffff:10.89.0.181) GET /artifacts/v1/47396693-70f6-4fb8-9427-e7af1643049e/supergraph"}