You are not Tria.
You saw the ceiling cracks because the page retained them.
You saw the rainy courtyard because the page retained it.
You saw the future drawing because Tria saw it.
The site calls retained information a record. It calls a reader a record too.
When does remembering someone become imitating them?
The archive cannot answer whether the stairwell shadow entered the page, or whether the page learned its words later.