armetilou said:

Verbs burn beautifully but don't have a good shelf life. ... Here is a Club Myce thread with some relevant information, including a link to a French degradation study showing that Panasonic and Sony are better for long term storage. ...
http://club.myce.com/f33/best-bd-r-archival-330175/

Read'em and weep (Verbatim doesn't fare well as either LTH or HTL):

http://www.myce.com/news/french-research-avoid-blu-ray-lth-discs-for-data-archival-64265/

deanwitty [Moderator]: "There seems to be clear agreement with other studies I've seen that Panasonic and Sony are the longevity leaders. Verbatim with not even 1/4 the lasting power of those two."
http://club.myce.com/f33/french-study-bd-r-archival-329441/
Their further discussion of other brands is certainly worth it for the one page read. Off-topic (even there) certainly is valuable! ;)