Sphere Update

Sphere appears to have updated its crawling. My previous post described the timing on posts as being a minimum of 11 hours. In other words, if we take that time to mean the time of the post, it was only providing results that were posted 11 hours or more in the past. They are now down to sub hour times. A search for 'bush' at 7.04 pm my time shows this result with the line '14 minutes ago.' Inspecting the post shows that it was published at 1.47 am today (the date is the same in the RSS feed). So does this number indicate the ingest time (the time the post was placed in the index), the crawl time (the time the post was picked up by the Sphere crawler)?