REGCAN95 + Gran Canaria height - EPSG:9512

WKT

HVCOORDSYS["REGCAN95_and_Gran_Canaria_height", 
	GEOGCS["GCS_REGCAN95", 
		DATUM["D_Red_Geodesica_de_Canarias_1995", 
			SPHEROID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	VERTCS["Gran_Canaria_height", 
		VDATUM["Gran_Canaria"], 
		PARAMETER["Vertical_Shift", 0.0], 
		PARAMETER["Direction", 1.0], 
		UNIT["Meter", 1.0]]]

WKT2

COMPOUNDCRS["REGCAN95_and_Gran_Canaria_height", 
	GEOGCRS["GCS_REGCAN95", 
		DATUM["D_Red_Geodesica_de_Canarias_1995", 
			ELLIPSOID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Latitude (lat)", north, 
			ORDER[1]], 
		AXIS["Longitude (lon)", east, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	VERTCRS["Gran_Canaria_height", 
		VDATUM["Gran_Canaria"], 
		CS[vertical, 1], 
		AXIS["Gravity-related height (H)", up, 
			LENGTHUNIT["Meter", 1.0]]], 
	ID["EPSG", "9512"]]

Data from @esri/proj-codes

{
  "wkid": 9512,
  "latestWkid": 9512,
  "pcsWkid": 0,
  "gcsWkid": 4081,
  "vcsWkid": 9397,
  "macro": "PE_HVC_REGCAN95_GRAN_CANARIA_HEIGHT",
  "name": "REGCAN95_and_Gran_Canaria_height",
  "wkt": "HVCOORDSYS[\"REGCAN95_and_Gran_Canaria_height\",GEOGCS[\"GCS_REGCAN95\",DATUM[\"D_Red_Geodesica_de_Canarias_1995\",SPHEROID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],VERTCS[\"Gran_Canaria_height\",VDATUM[\"Gran_Canaria\"],PARAMETER[\"Vertical_Shift\",0.0],PARAMETER[\"Direction\",1.0],UNIT[\"Meter\",1.0]]]",
  "wkt2": "COMPOUNDCRS[\"REGCAN95_and_Gran_Canaria_height\",GEOGCRS[\"GCS_REGCAN95\",DATUM[\"D_Red_Geodesica_de_Canarias_1995\",ELLIPSOID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],VERTCRS[\"Gran_Canaria_height\",VDATUM[\"Gran_Canaria\"],CS[vertical,1],AXIS[\"Gravity-related height (H)\",up,LENGTHUNIT[\"Meter\",1.0]]],ID[\"EPSG\",\"9512\"]]",
  "description": "REGCAN95 + Gran Canaria height",
  "authority": "EPSG",
  "version": "10.013(13.2.0)",
  "deprecated": "no",
  "areaname": "Spain - Canary Islands - Gran Canaria",
  "extent": {
    "slat": 27.68,
    "nlat": 28.23,
    "llon": -15.88,
    "rlon": -15.31
  }
}