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/13494/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 13494,
    "relatedTo": {
        "ob_id": 44757,
        "uuid": "b5e3c36c3d6941f8b5731f5111a18511",
        "short_code": "ob"
    },
    "url": "https://dx.doi.org/10.5285/3863bb6f-f1b2-2d7f-e063-7086abc0cf73",
    "identifierType": "doi",
    "shortUrl": "https://doi.org/10/g9wwdx"
}