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/12161/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 12161,
    "relatedTo": {
        "ob_id": 37124,
        "uuid": "fe98aa1c666d42b9a2a0d19a72bb8a36",
        "short_code": "ob"
    },
    "url": "https://dx.doi.org/10.5285/fe98aa1c666d42b9a2a0d19a72bb8a36",
    "identifierType": "doi",
    "shortUrl": "https://doi.org/10/gqg2qm"
}