I loved this one, it was well written and the implications of it are pretty neat. Love me some Scarlet King.
I do have one, fairly major quibble with it that others have mentioned previously — I feel it does not need to be classified as Thaumiel. I of course don't mean this takes away the quality of the article, but from my understanding of the Item classes, this doesn't really need a Thaumiel rating, and could be perfectly fine within the Safe class. I only say this because of my (and I feel others) personal perceptions of Thaumiel. In my mind, Thaumiel describes something huge and immense, articles whose very existence has a major impact on human civilization as a whole (like SCP-2000 or SCP-3000). I don't really conceive of Thaumiel as a class that can be applied to any SCP that aids in the maintenance/capture of other dangerous SCPs (although admittedly I can't name one off the top of my head, I feel like there are plenty of SCPs in other classes that help the Foundation with dangerous SCPs but still deserve their class ratings). Thaumiel to me is something mind-bending and mind-fucky, not something that just helps the Foundation in some form, as cool as this is.
I may sound extremely critical from that paragraph, but honestly, I still loved this article. +1, great job. Needs more publicity.