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/?format=api&offset=11700
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 11746,
    "next": null,
    "previous": "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/?format=api&limit=100&offset=11600",
    "results": [
        {
            "ob_id": 13708,
            "relatedTo": {
                "ob_id": 43455,
                "uuid": "3c65d2da23f144dd85094662e1873de6",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/3c65d2da23f144dd85094662e1873de6",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13709,
            "relatedTo": {
                "ob_id": 45364,
                "uuid": "b71cb69074334e3997f7b674a7bf1c32",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/b71cb69074334e3997f7b674a7bf1c32",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13710,
            "relatedTo": {
                "ob_id": 45362,
                "uuid": "7658d617e0e54f1cbb5747510465e8df",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/7658d617e0e54f1cbb5747510465e8df",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13711,
            "relatedTo": {
                "ob_id": 45360,
                "uuid": "e22ee9b0948d49f38001105e54964994",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/e22ee9b0948d49f38001105e54964994",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13712,
            "relatedTo": {
                "ob_id": 45358,
                "uuid": "f39cf682c79e41b6a1b18fc26ba4d8eb",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/f39cf682c79e41b6a1b18fc26ba4d8eb",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13713,
            "relatedTo": {
                "ob_id": 45356,
                "uuid": "479c042f5a7a4ebe844c111107e9e8ac",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/479c042f5a7a4ebe844c111107e9e8ac",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13714,
            "relatedTo": {
                "ob_id": 45354,
                "uuid": "0b2882e4279f4f81b708ebad36ed944c",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/0b2882e4279f4f81b708ebad36ed944c",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13715,
            "relatedTo": {
                "ob_id": 44079,
                "uuid": "1d9630f85e7f4a4c926d4335da53f77d",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/1d9630f85e7f4a4c926d4335da53f77d",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13716,
            "relatedTo": {
                "ob_id": 44077,
                "uuid": "15b583553baf43ae99d3702fe52b7dfe",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/15b583553baf43ae99d3702fe52b7dfe",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13717,
            "relatedTo": {
                "ob_id": 44075,
                "uuid": "b4f239aec02745f49f2649109808ef70",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/b4f239aec02745f49f2649109808ef70",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/hbpfdm"
        },
        {
            "ob_id": 13718,
            "relatedTo": {
                "ob_id": 44073,
                "uuid": "c6fb411cd55f4420ab55d0f387577f8a",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/c6fb411cd55f4420ab55d0f387577f8a",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13719,
            "relatedTo": {
                "ob_id": 44071,
                "uuid": "f2f4decdc409416f88766384c3eecfcc",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/f2f4decdc409416f88766384c3eecfcc",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13720,
            "relatedTo": {
                "ob_id": 44688,
                "uuid": "d1929f1241e24d3cade8e933ed1f1ff8",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/d1929f1241e24d3cade8e933ed1f1ff8",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/hbqkm5"
        },
        {
            "ob_id": 13721,
            "relatedTo": {
                "ob_id": 44702,
                "uuid": "52ded3b1bad9432ba3f70006eb29595b",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/52ded3b1bad9432ba3f70006eb29595b",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/hbpfx9"
        },
        {
            "ob_id": 13722,
            "relatedTo": {
                "ob_id": 44707,
                "uuid": "3f97dca2913d47d4948dfba324f1604a",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/3f97dca2913d47d4948dfba324f1604a",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/hbq589"
        },
        {
            "ob_id": 13723,
            "relatedTo": {
                "ob_id": 44647,
                "uuid": "c836ded4f8154c3ba86ee58ec0a7a7b1",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/c836ded4f8154c3ba86ee58ec0a7a7b1",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/hbppkf"
        },
        {
            "ob_id": 13724,
            "relatedTo": {
                "ob_id": 44706,
                "uuid": "d43fc038423246f6b5d077ad034f04cd",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/d43fc038423246f6b5d077ad034f04cd",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/hbq588"
        },
        {
            "ob_id": 13725,
            "relatedTo": {
                "ob_id": 43912,
                "uuid": "f5cf862872d240dcab86a0d67eb16699",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/f5cf862872d240dcab86a0d67eb16699",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/hbpnrd"
        },
        {
            "ob_id": 13726,
            "relatedTo": {
                "ob_id": 43914,
                "uuid": "e83f26cb113544db8db274a194b49977",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/e83f26cb113544db8db274a194b49977",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13727,
            "relatedTo": {
                "ob_id": 43916,
                "uuid": "146acf9cfe564eaba7e20a190e922d44",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/146acf9cfe564eaba7e20a190e922d44",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13728,
            "relatedTo": {
                "ob_id": 44677,
                "uuid": "6ab837fc79e4487a9930a221b294df01",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/6ab837fc79e4487a9930a221b294df01",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/hbps33"
        },
        {
            "ob_id": 13729,
            "relatedTo": {
                "ob_id": 43433,
                "uuid": "381e95004e0c44499b1d3e00b19aaaaf",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/381e95004e0c44499b1d3e00b19aaaaf",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13730,
            "relatedTo": {
                "ob_id": 43432,
                "uuid": "8234e536542141259e0ec632d45df496",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/8234e536542141259e0ec632d45df496",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13731,
            "relatedTo": {
                "ob_id": 43431,
                "uuid": "27fee373d42b4dada1aeb10bc729c98f",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/27fee373d42b4dada1aeb10bc729c98f",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13732,
            "relatedTo": {
                "ob_id": 43551,
                "uuid": "defed477a24547b7aa024d655f3d2adb",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/defed477a24547b7aa024d655f3d2adb",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13733,
            "relatedTo": {
                "ob_id": 41553,
                "uuid": "62334c44979b4c62b763e0dff97cc923",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/62334c44979b4c62b763e0dff97cc923",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13734,
            "relatedTo": {
                "ob_id": 43443,
                "uuid": "3e3daa268f1c49b4a50e030c4c50a461",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/3e3daa268f1c49b4a50e030c4c50a461",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/hbp26b"
        },
        {
            "ob_id": 13735,
            "relatedTo": {
                "ob_id": 44022,
                "uuid": "6b1c3160b1df40728b6331dd46cd5905",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/6b1c3160b1df40728b6331dd46cd5905",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/hbp26c"
        },
        {
            "ob_id": 13736,
            "relatedTo": {
                "ob_id": 44024,
                "uuid": "59bdd4c5f9c44b2daa2517f9983ab306",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/59bdd4c5f9c44b2daa2517f9983ab306",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13737,
            "relatedTo": {
                "ob_id": 44028,
                "uuid": "ead00e03df0546a7a4c720bfdd382780",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/ead00e03df0546a7a4c720bfdd382780",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13738,
            "relatedTo": {
                "ob_id": 44030,
                "uuid": "c08e02cfe3a74e08a7503a8f18761223",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/c08e02cfe3a74e08a7503a8f18761223",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13740,
            "relatedTo": {
                "ob_id": 45322,
                "uuid": "756bba8343b54ff7a9d1f7c48f86905d",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/756bba8343b54ff7a9d1f7c48f86905d",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13741,
            "relatedTo": {
                "ob_id": 45325,
                "uuid": "a8f1d827b86d43c2969abb202c130814",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/a8f1d827b86d43c2969abb202c130814",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13742,
            "relatedTo": {
                "ob_id": 45320,
                "uuid": "b01abe865c0e41569be6ff1f06339c70",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/b01abe865c0e41569be6ff1f06339c70",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13743,
            "relatedTo": {
                "ob_id": 45329,
                "uuid": "409098a878974d25892226c05165023c",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/409098a878974d25892226c05165023c",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13744,
            "relatedTo": {
                "ob_id": 45331,
                "uuid": "a673a07ad2f84c4a8bd8934562417108",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/a673a07ad2f84c4a8bd8934562417108",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 13745,
            "relatedTo": {
                "ob_id": 43597,
                "uuid": "5487380511084413a502c4b229273bc6",
                "short_code": "coll"
            },
            "url": "https://dx.doi.org/10.5285/5487380511084413a502c4b229273bc6",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/hbqpsz"
        },
        {
            "ob_id": 13746,
            "relatedTo": {
                "ob_id": 44908,
                "uuid": "463862326d574951bea52527f9df397d",
                "short_code": "coll"
            },
            "url": "https://dx.doi.org/10.5285/463862326d574951bea52527f9df397d",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/hbqq4x"
        },
        {
            "ob_id": 13747,
            "relatedTo": {
                "ob_id": 44703,
                "uuid": "6a22d0dd7f90487f8bbed3be85de3624",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/6a22d0dd7f90487f8bbed3be85de3624",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/hbq59h"
        },
        {
            "ob_id": 13748,
            "relatedTo": {
                "ob_id": 45407,
                "uuid": "5e46517bbf3f480fb3fd90420acd709b",
                "short_code": "instr"
            },
            "url": "metoffice-twc",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 13750,
            "relatedTo": {
                "ob_id": 45425,
                "uuid": "c3ec2248102a4e68a8419fe240a25c23",
                "short_code": "proj"
            },
            "url": "VERIFY",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 13751,
            "relatedTo": {
                "ob_id": 45447,
                "uuid": "4f5a44c4d02540bf8ec19c24e9a0475b",
                "short_code": "proj"
            },
            "url": "GRIM-SAF",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 13752,
            "relatedTo": {
                "ob_id": 45465,
                "uuid": "a3dac047d2a14c91bdf762f6e4a68b7a",
                "short_code": "proj"
            },
            "url": "SHIFT",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 13753,
            "relatedTo": {
                "ob_id": 45471,
                "uuid": "08c5d2f8742248f8a11ceac56ac73f46",
                "short_code": "proj"
            },
            "url": "REVEAL",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 13754,
            "relatedTo": {
                "ob_id": 13674,
                "uuid": "3fdd6ccdce5b4ee887536402edfe6835",
                "short_code": "instr"
            },
            "url": "metoffice-lidar",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 13755,
            "relatedTo": {
                "ob_id": 45652,
                "uuid": "7cf27d29b43f4e419e82be6710f3ec49",
                "short_code": "proj"
            },
            "url": "BATS",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        }
    ]
}