2026-11-01T05:30:30Z https://nostr.now Matematiikka https://nostr.now/npub1efuhp6ht4ql32njl7h5hk5cqc5wf8ftupmtp8qtrz5dh7yk9z7mqph3syf https://friendica.world/photo/profile/matematiikka.png?ts=1739719870 https://friendica.world/photo/profile/matematiikka.png?ts=1739719870