This is saved as a hybrid PDF; you can view it in your regular PDF viewer (such as Evince and Adobe PDF viewer), or you can open it in Impress to edit it as a normal Impress document. Use this one in case you need it as a pure Impress document.
And the second one is for the talk I did during the LibreOffice mini-Conference on Saturday.
Like the 1st one, this one is also a hybrid PDF. The regular odp version is available here.
I will write more about OSC Tokyo and especially about the LibreOffice mini-Conference in a separate blog. Stay tuned.