IANAL，不过很明显技术上不允许。因为你提供的形式在技术上没法有效保证属于 GPLv3 定义的 conveying，所以不足以证明你取得了合法的授权。
https://www.gnu.org/licenses/gpl-3.0.en.html...
To “ convey ” a work means any kind of propagation that enables other parties to make or receive copies. Mere interaction with a user through a computer network, with no transfer of a copy, is not conveying.
...
6. Conveying Non-Source Forms.
You may convey a covered work in object code form under the terms of sections 4 and 5, provided that you also convey the machine-readable Corresponding Source under the terms of this License, in one of these ways:
...
如果你非要对着干，我倒是知道个阴招：只在线提供源码，限速到几个 B/s。
不过，我还记得 RMS 有另外的可能对付这个的补充解释，不过没经过案例考验，可能很大程度上取决于管辖如何推定你是否具有侵权的恶意。