Copyright, as the OFL notice you ship must carry it: "Copyright 2011, The VT323 Project Authors (peter.hull@oikoi.com)". Designer per Google Fonts' metadata: Peter Hull. Google Fonts distributes the family; it is not the rights holder, so this entry sets no publisher
Source tree: google/fontsofl/vt323/ — keep OFL.txt with redistributed files
OFL: embed/bundle/sell with software OK; don’t sell the font alone
Evidence
Live ofl/vt323/OFL.txt (2026-08-24): “licensed under the SIL Open Font License, Version 1.1.” Copyright 2011 The VT323 Project Authors.