Home / Data / Smithsonian Open Access Explorer Smithsonian Open Access Explorer 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 Record Record Date Vuga Group Change Status Recency Days Public Significance Score Japanese Artillery Square 01/01/1876 NMAH unchanged 55,027.43 0 Geometric Model by A. Harry Wheeler, Bisected Octahedron, Dissected Polyhedron — NMAH unchanged — 0 Geometric Model by A. Harry Wheeler, Hyperboloid of Revolution — NMAH unchanged — 0 Geometric Model by A. Harry Wheeler, One-Sided Polyhedron — NMAH unchanged — 0 Geometric Model by A. Harry Wheeler, Three Irregular Dodecahedra in a Ring 08/27/1936 NMAH unchanged 32,874.43 0 Geometric Model by A. Harry Wheeler, Polyhedron Inscriptible in a Cube 07/27/1944 NMAH unchanged 29,983.43 0 Documentation Relating to a Psychological Test, Kuhlman-Binet Tests — NMAH unchanged — 0 Planking Screw (Holddown) — NMAH unchanged — 0 Pipe Wrench — NMAH unchanged — 0 tracing, rail train — NMAH unchanged — 0 tracing, roof truss plan — NMAH unchanged — 0 tracing, plate mill — NMAH unchanged — 0 tracing, buggy details — NMAH unchanged — 0 tracing, gear — NMAH unchanged — 0 tracing, furnace and boiler — NMAH unchanged — 0 tracing, furnace plates — NMAH unchanged — 0 Metal One-Pronged Buckle — NMAH unchanged — 0 Ornate Metal Buckle Frame — NMAH unchanged — 0 Ornate Metal Buckle Frame — NMAH unchanged — 0 Ornate Metal Slide Buckle — NMAH unchanged — 0 Metal Slide Buckle — NMAH unchanged — 0 Ornate Metal Fastener — NMAH unchanged — 0 Metal Tube — NMAH unchanged — 0 Horizontal Slide Valve Steam Engine, Model, 19th century — NMAH unchanged — 0 steam turbine blade — NMAH unchanged — 0 trunnel — NMAH unchanged — 0 letter 01/01/1902 NMAH unchanged 45,531.43 0 letter — NMAH unchanged — 0 letter — NMAH unchanged — 0 Ball Bearing — NMAH unchanged — 0 watch movement — NMAH unchanged — 0 greeting card 01/01/1911 NMAH unchanged 42,244.43 0 pendant — NMAH unchanged — 0 First National Bank — NMAH unchanged — 0 Holland — NMAH unchanged — 0 Plastic Letter Opener — NMAH unchanged — 0 Ruler — NMAH unchanged — 0 Texas Instruments TI-89 Titanium Handheld Electronic Calculator 01/01/2004 NMAH unchanged 8,276.43 0 Universal Zulu Nation New World Force 01/01/2003 NMAH unchanged 8,641.43 0 Software on Disk, Microsoft Windows 3.1 Rolling Demo 01/01/1992 NMAH unchanged 12,659.43 0 CT-82 Terminal for a Southwest Technology Products Microcomputer 01/01/1981 NMAH unchanged 16,676.43 0 Benny Carter Button — NMAH unchanged — 0 Bicycle Jersey 01/01/2006 NMAH unchanged 7,545.43 0 Penn Electric Switch Company Thermostat — NMAH unchanged — 0 DARPA Urban Challenge 2007 Baseball Cap 01/01/2007 NMAH unchanged 7,180.43 0 Vacation Sports at the Seaside 01/01/1897 NMAH unchanged 47,356.43 0 Ear of Corn One Cent Coin Sketch, Philadelphia, Pennsylvania, United States, 1959 01/01/1959 NMAH unchanged 24,712.43 0 Eagle One Dollar Coin Sketch Philadelphia, Pennsylvania, United States, 1965-1990 — NMAH unchanged — 0 Action Day against Corporate Excess 01/01/2009 NMAH unchanged 6,449.43 0 Advertising Button, Berkeley Macintosh Users Group (B M U G) 01/01/1993 NMAH unchanged 12,293.43 0