About
Evidence should be explainable, portable and proportionate
Attestarium is being built as European digital evidence infrastructure for professionals and organisations that need a reliable chronology around digital material without surrendering unnecessary privacy.
Design principles
Trust through constraints
The platform intentionally refuses some convenient shortcuts: sealed evidence is not edited, confidential deposits are not publicly searchable, supplier-specific trust is not disguised as platform magic, and cancellation does not erase historical facts.
01Evidence is append-only
02Privacy is the default
03Trust layers stay identifiable
04Exports survive migrations
European-first, portable by architecture
The product is designed around European evidence and trust requirements, while its core cryptographic records avoid binding validity to one web domain, one hosting provider or one external trust supplier.