Smithsonian Open Access Explorer

Name: Smithsonian Open Access Explorer
Creator: American Culture Club
License: Open Access items are CC0 where marked; record rights statements remain authoritative.

Smithsonian Open Access Explorer organizes records from Smithsonian Open Access API into a static table for transparent comparison. It preserves official source links and dates, marks missing enrichment, and adds deterministic grouping, change, recency, trend, or significance fields only where the documented inputs support them, without recommendations or unsupported claims.

Records: 5,000
Last changed: 08/29/2026
Update schedule: 18 12 3 * * UTC
Coverage: 01/01/1190–10/03/2048
Method: Methodology

Record	Record Date	Vuga Group	Change Status	Recency Days
certified proof	09/02/1887	NMAH	unchanged	50,765.43
certified proof	08/19/1880	NMAH	unchanged	53,335.43
certified proof	02/04/1905	NMAH	unchanged	44,401.43
certified proof	09/15/1885	NMAH	unchanged	51,482.43
certified proof	11/17/1908	NMAH	unchanged	43,019.43
certified proof	05/17/1907	NMAH	unchanged	43,569.43
certified proof	03/15/1901	NMAH	unchanged	45,823.43
certified proof	05/20/1908	NMAH	unchanged	43,200.43
certified proof	03/17/1909	NMAH	unchanged	42,899.43
certified proof	05/16/1903	NMAH	unchanged	45,031.43
certified proof	09/16/1912	NMAH	unchanged	41,620.43
certified proof	09/14/1908	NMAH	unchanged	43,083.43
certified proof	06/18/1924	NMAH	unchanged	37,327.43
certified proof	06/30/1900	NMAH	unchanged	46,081.43
certified proof	07/24/1889	NMAH	unchanged	50,074.43
certified proof	12/31/1908	NMAH	unchanged	42,975.43
certified proof	02/03/1909	NMAH	unchanged	42,941.43
certified proof	10/13/1908	NMAH	unchanged	43,054.43
certified proof	01/29/1921	NMAH	unchanged	38,563.43
certified proof	05/18/1901	NMAH	unchanged	45,759.43
certified proof	10/08/1921	NMAH	unchanged	38,311.43
certified proof	04/11/1902	NMAH	unchanged	45,431.43
certified proof	09/22/1902	NMAH	unchanged	45,267.43
certified proof	08/24/1903	NMAH	unchanged	44,931.43
certified proof	11/06/1907	NMAH	unchanged	43,396.43
certified proof	02/06/1909	NMAH	unchanged	42,938.43
certified proof	01/29/1920	NMAH	unchanged	38,929.43
certified proof	12/30/1920	NMAH	unchanged	38,593.43
certified proof	03/21/1923	NMAH	unchanged	37,782.43
certified proof	10/31/1907	NMAH	unchanged	43,402.43
certified proof	—	NMAH	unchanged	—
certified proof	05/05/1883	NMAH	unchanged	52,346.43
certified proof	03/28/1910	NMAH	unchanged	42,523.43
certified proof	02/17/1887	NMAH	unchanged	50,962.43
certified proof	08/14/1906	NMAH	unchanged	43,845.43
certified proof	03/30/1909	NMAH	unchanged	42,886.43
certified proof	06/24/1905	NMAH	unchanged	44,261.43
certified proof	10/20/1928	NMAH	unchanged	35,742.43
certified proof	01/26/1889	NMAH	unchanged	50,253.43
certified proof	03/10/1890	NMAH	unchanged	49,845.43
certified proof	01/14/1909	NMAH	unchanged	42,961.43
certified proof	10/02/1865	NMAH	unchanged	58,770.43
certified proof	01/21/1909	NMAH	unchanged	42,954.43
certified proof	04/29/1909	NMAH	unchanged	42,856.43
certified proof	03/24/1909	NMAH	unchanged	42,892.43
certified proof	02/23/1909	NMAH	unchanged	42,921.43
certified proof	—	NMAH	unchanged	—
certified proof	—	NMAH	unchanged	—
certified proof	—	NMAH	unchanged	—
certified proof	—	NMAH	unchanged	—