I realised from his post that about four months have passed since the first release of the "tx:id" collection, and they are changing smoothly. In other words, the light and colour fade in 6 months, and the mechanism that reduces particles is working properly. These arts are engraved with "time". Please check your tx:id.

https://app.treechat.com/quest/f178d370-965b-4f52-92bd-96a1af208c43/answer/23610d08-fbb3-4e3d-bb5c-f1d4e835d3a8