All Source Checks
confirmed99% confidence
1 evidence check
Last checked: 3/31/2026
The source text explicitly states under the Wikidata entry for the Andrew W. Mellon Foundation that the 'headquarters location' is 'New York City'. This directly confirms the claim that the Andrew W. Mellon Foundation's headquarters is in New York City.
Evidence — 1 source, 1 check
www.wikidata.org/wiki/Q4758812(1 check)
confirmed99%primaryHaiku 4.5 · 3/31/2026
Found: headquarters location New York City
Note: The source text explicitly states under the Wikidata entry for the Andrew W. Mellon Foundation that the 'headquarters location' is 'New York City'. This directly confirms the claim that the Andrew W. Mellon Foundation's headquarters is in New York City.
Debug info
Record type: fact
Record ID: fatyr58V0A