The progress towards Saying the Prime is available in JSON format at:
saytheprime.com/progress.jsonThe keys of entries in the JSON will be the chunk numbers (indexed starting at 1). Each value in the JSON is an 11 character ID of a YouTube video. For example, the entry for the first video is:
{"1": "X5Q3PrsHckY"}
Once we've Said the Prime, the JSON will be around 2MB in size. The JSON is updated hourly. Please don't write a script that downloads it more often than this.
If you make somthing cool using this data, please tell us about it!