You need to send the ornamentum, which does not seem to be available through the S-EXP API.
It is very cool though. I noticed some issues:
diff --git a/iPpP.el b/iPpP.el
index 5e108e5..2f72121 100644
--- a/iPpP.el
+++ b/iPpP.el
@@ -158,7 +158,7 @@
(let ((thread (read (current-buffer)))
(buf (get-buffer-create
(format "*reading /%s/%d*"
- (sbbs-board-name board)
+ (sbbs--board-name board)
id))))
(kill-buffer)
(with-current-buffer buf
@@ -185,7 +185,7 @@
(url-retrieve url #'sbbs--thread-loader
(list sbbs--board id))))
-(defun sbbs--reload-thread ()
+(defun sbbs--reload-thread (ignore-auto noconfirm)
(sbbs-view-open sbbs--thread-id))
(defun sbbs-view-compose ()