EPSG:5762 — Gisborne 1926 height

VERTCRS[
    "Gisborne 1926 height",
    VDATUM["Gisborne 1926",ID["EPSG",5160]],
    CS[vertical,1,ID["EPSG",6499]],
    AXIS["Gravity-related height (H)",up],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",5762]
]

+vunits=m +no_defs +type=crs

proj4.defs("EPSG:5762", "+vunits=m +no_defs +type=crs");

{
  "type": "CoordinateReferenceSystem",
  "code": 5762,
  "name": "Gisborne 1926 height",
  "kind": "vertical",
  "area": "New Zealand - North Island - Gisborne vcrs",
  "unit": "metre",
  "bbox": [
    -39.04,
    176.41,
    -37.49,
    178.63
  ],
  "proj4": "+vunits=m +no_defs +type=crs"
}

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (5762, 'EPSG', 5762, '+vunits=m +no_defs +type=crs', 'VERT_CS["Gisborne 1926 height",VERT_DATUM["Gisborne 1926",2005,AUTHORITY["EPSG","5160"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5762"]]');

PROJECTION
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

5762=VERT_CS["Gisborne 1926 height",VERT_DATUM["Gisborne 1926",2005,AUTHORITY["EPSG","5160"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5762"]]