CSRN epoch 2025.0 (ITRF2020) - ESRI:115948

WKT

VERTCS["CSRN_epoch_2025.0_(ITRF2020)", 
	DATUM["California_Spatial_Reference_Network_epoch_2025.0_(ITRF2020)", 
		SPHEROID["GRS_1980", 6378137.0, 298.257222101]], 
	PARAMETER["Vertical_Shift", 0.0], 
	PARAMETER["Direction", 1.0], 
	UNIT["Meter", 1.0]]

WKT2

VERTCRS["CSRN_epoch_2025.0_(ITRF2020)", 
	DATUM["California_Spatial_Reference_Network_epoch_2025.0_(ITRF2020)", 
		ELLIPSOID["GRS_1980", 6378137.0, 298.257222101], 
		ANCHOREPOCH[2025.0]], 
	CS[vertical, 1], 
	AXIS["Ellipsoidal height (h)", up, 
		LENGTHUNIT["Meter", 1.0]], 
	ID["Esri", "115948"]]

Data from @esri/proj-codes

{
  "wkid": 115948,
  "latestWkid": 115948,
  "macro": "PE_VCS_CSRN_EPOCH_2025_0_ITRF2020",
  "name": "CSRN_epoch_2025.0_(ITRF2020)",
  "wkt": "VERTCS[\"CSRN_epoch_2025.0_(ITRF2020)\",DATUM[\"California_Spatial_Reference_Network_epoch_2025.0_(ITRF2020)\",SPHEROID[\"GRS_1980\",6378137.0,298.257222101]],PARAMETER[\"Vertical_Shift\",0.0],PARAMETER[\"Direction\",1.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "VERTCRS[\"CSRN_epoch_2025.0_(ITRF2020)\",DATUM[\"California_Spatial_Reference_Network_epoch_2025.0_(ITRF2020)\",ELLIPSOID[\"GRS_1980\",6378137.0,298.257222101],ANCHOREPOCH[2025.0]],CS[vertical,1],AXIS[\"Ellipsoidal height (h)\",up,LENGTHUNIT[\"Meter\",1.0]],ID[\"Esri\",\"115948\"]]",
  "description": "CSRN epoch 2025.0 (ITRF2020)",
  "authority": "Esri",
  "version": "13.6.0",
  "deprecated": "no",
  "areaname": "USA - California",
  "extent": {
    "slat": 32.53,
    "nlat": 42.01,
    "llon": -124.45,
    "rlon": -114.12
  }
}