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/13453/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 13453,
    "relatedTo": {
        "ob_id": 44612,
        "uuid": "658d3bc291374f68abc4c5f3662ac74d",
        "short_code": "ob"
    },
    "url": "http://dx.doi.org/10.5285/38626589-5885-fff9-e063-7086abc09721",
    "identifierType": "doi",
    "shortUrl": "https://doi.org/10/g9tsjs"
}