Structured factual statements about a named entity from Wikidata — the collaboratively-curated
knowledge base behind Wikipedia. Resolves `entity` to its Wikidata item, then returns the
headline facts: description, instance/class, key properties (e.g. for a country: capital,
population, area, head of government, currency, ISO codes; for a person: birth/death, occupation,
citizenship), plus cross-reference identifiers and the Wikidata QID. `entity` = a name to look
up ("Australia", "Albert Einstein", "Sydney Opera House", "Bitcoin"); default "Australia".
Reference/knowledge lookup, not a live-telemetry feed — values are as-current-as Wikidata's
community edits. Source: Wikidata (wikidata.org), MediaWiki Action API — CC0 1.0 (public
domain): commercial use + redistribution permitted, no key, no attribution required.
Every value is returned in an Ed25519-signed, provenance-stamped envelope (source and observation time) you can verify offline against /.well-known/keys, no account required.