Asse 2025 height - EPSG:10900

WKT

VERTCS["Asse_2025_height", 
	VDATUM["Asse_vertical_datum_2025"], 
	PARAMETER["Vertical_Shift", 0.0], 
	PARAMETER["Direction", 1.0], 
	UNIT["Meter", 1.0]]

WKT2

VERTCRS["Asse_2025_height", 
	VDATUM["Asse_vertical_datum_2025"], 
	CS[vertical, 1], 
	AXIS["Gravity-related height (H)", up, 
		LENGTHUNIT["Meter", 1.0]], 
	ID["EPSG", "10900"]]

Data from @esri/proj-codes

{
  "wkid": 10900,
  "latestWkid": 10900,
  "macro": "PE_VCS_ASSE_2025_HEIGHT",
  "name": "Asse_2025_height",
  "wkt": "VERTCS[\"Asse_2025_height\",VDATUM[\"Asse_vertical_datum_2025\"],PARAMETER[\"Vertical_Shift\",0.0],PARAMETER[\"Direction\",1.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "VERTCRS[\"Asse_2025_height\",VDATUM[\"Asse_vertical_datum_2025\"],CS[vertical,1],AXIS[\"Gravity-related height (H)\",up,LENGTHUNIT[\"Meter\",1.0]],ID[\"EPSG\",\"10900\"]]",
  "description": "Asse 2025 height",
  "authority": "EPSG",
  "version": "12.015(13.6.0)",
  "deprecated": "no",
  "areaname": "Germany - Lower Saxony - Asse",
  "extent": {
    "slat": 52.11,
    "nlat": 52.16,
    "llon": 10.6,
    "rlon": 10.7
  }
}