WordPress Public API, Problem where querying via batch consistently returns HTTP error

Query Site

https://public-api.wordpress.com/rest/v1/sites/www.mosaicrooms.org

{
    "ID": 71655423,
    "name": "The Mosaic Rooms",
    "description": "Contemporary Culture from the Arab World",
    "URL": "http://www.mosaicrooms.org",
    "jetpack": true,
    "subscribers_count": 0,
    "is_private": false,
    "is_following": false,
    "meta": {
        "links": {
            "self": "https://public-api.wordpress.com/rest/v1/sites/71655423",
            "help": "https://public-api.wordpress.com/rest/v1/sites/71655423/help",
            "posts": "https://public-api.wordpress.com/rest/v1/sites/71655423/posts/",
            "comments": "https://public-api.wordpress.com/rest/v1/sites/71655423/comments/",
            "xmlrpc": "http://www.mosaicrooms.org/xmlrpc.php"
        }
    }
}

Query Site via Batch

https://public-api.wordpress.com/rest/v1/batch?http_envelope=1&urls%5B%5D=%2Fsites%2Fwww.mosaicrooms.org
{
    "code": 200,
    "headers": [
        {
            "name": "Content-Type",
            "value": "application/json"
        }
    ],
    "body": {
        "/sites/www.mosaicrooms.org": {
            "status_code": 400,
            "errors": {
                "error": "jetpack_error",
                "message": "The Jetpack site is inaccessible or returned an error: transport error - HTTP status code was not 200 (404) [-32300]"
            }
        }
    }
}

Query via Batch(25th August)

GET https://public-api.wordpress.com/rest/v1/batch?http_envelope=1&urls%5B%5D=%2Fsites%2Fwww.mosaicrooms.org
Accept-Encoding: gzip, deflate
Accept: */*
Accept-Language: en-us

Content-Type: application/json
Pragma: no-cache
X-hacker: Oh, Awesome: Opossum
Content-Encoding: gzip
Server: nginx
Transfer-Encoding: Identity
Expires: Wed, 11 Jan 1984 05:00:00 GMT
Cache-Control: no-cache, must-revalidate, max-age=0
Date: Mon, 25 Aug 2014 09:35:44 GMT
Connection: keep-alive
X-Prefork: 1
Vary: Accept-Encoding

{"code":200,"headers":[{"name":"Content-Type","value":"application\/json"}],"body":{"\/sites\/www.mosaicrooms.org":{"ID":71655423,"name":"The Mosaic Rooms","description":"Contemporary Culture from the Arab World","URL":"http:\/\/www.mosaicrooms.org","jetpack":true,"subscribers_count":0,"is_private":false,"is_following":false,"meta":{"links":{"self":"https:\/\/public-api.wordpress.com\/rest\/v1\/sites\/71655423","help":"https:\/\/public-api.wordpress.com\/rest\/v1\/sites\/71655423\/help","posts":"https:\/\/public-api.wordpress.com\/rest\/v1\/sites\/71655423\/posts\/","comments":"https:\/\/public-api.wordpress.com\/rest\/v1\/sites\/71655423\/comments\/","xmlrpc":"http:\/\/www.mosaicrooms.org\/xmlrpc.php"}}}}}