Get a list of Identifier objects. Idenfifiers have a 1..*:1 mapping with Observations.

### Available end points:

- `/identifier/` - Will list all Results in the database
- `/identifier.json` - Will return all Results in json format
- `/identifier/<object_id>/` - Returns Results object with that id

### Available Methods:

- `GET`
- `HEAD`

### Available filters:

- `url`
- `idenfifierType`

### How to use filters:



`/identifier/?url=mst`

`/identifier.json?identifierType=ceda_abbreviation`

GET /api/v2/identifiers/2994/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 2994,
    "relatedTo": {
        "ob_id": 4455,
        "uuid": "4490e28a254a4c49947c764b60997916",
        "short_code": "instr"
    },
    "url": "http://badc.nerc.ac.uk/view/badc.nerc.ac.uk__ATOM__dpt_11744345325518401",
    "identifierType": "moles2_url",
    "shortUrl": ""
}