discourseEmbed, does not match recipient window origin

This is the Ruby log during the attempted pairing by CKAN extension.

Started GET "/embed/comments?embed_url=https%3A%2F%2Fmydomain.ca%2Fdataset%2Ftest-number-08" for 192.222.209.126 at 2017-03-16 01:16:34 +0000
Processing by EmbedController#comments as HTML
  Parameters: {"embed_url"=>"https://mydomain.ca/dataset/test-number-08"}
  Rendered embed/embed_error.html.erb within layouts/embed (1.9ms)
Completed 200 OK in 11ms (Views: 6.1ms | ActiveRecord: 1.3ms)
Started GET "/push-service-worker.js" for 192.222.209.126 at 2017-03-16 01:16:35 +0000
Processing by DiscoursePushNotifications::ServiceWorkerController#push as */*
  Rendered plugins/discourse-push-notifications/assets/javascripts/push-service-worker.js (0.0ms)
Completed 200 OK in 5ms (Views: 0.5ms | ActiveRecord: 0.8ms)
Started GET "/latest.json?_=1489619147351" for 192.222.209.126 at 2017-03-16 01:16:52 +0000
Processing by ListController#latest as JSON
  Parameters: {"_"=>"1489619147351"}
Completed 200 OK in 75ms (Views: 0.1ms | ActiveRecord: 19.3ms)
Started GET "/categories_and_latest?_=1489619147352" for 192.222.209.126 at 2017-03-16 01:16:54 +0000
Processing by CategoriesController#categories_and_latest as JSON
  Parameters: {"_"=>"1489619147352"}
Completed 200 OK in 94ms (Views: 0.2ms | ActiveRecord: 17.2ms)
Started GET "/c/datasets/l/latest.json?_=1489619147353" for 192.222.209.126 at 2017-03-16 01:16:59 +0000
Processing by ListController#category_latest as JSON
  Parameters: {"_"=>"1489619147353", "category"=>"datasets"}
Completed 200 OK in 54ms (Views: 0.2ms | ActiveRecord: 23.2ms)
Job exception: SSL_connect returned=1 errno=0 state=error: certificate verify failed

Job exception: SSL_connect returned=1 errno=0 state=error: certificate verify failed