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=10900
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 11746,
    "next": "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/?format=api&limit=100&offset=11000",
    "previous": "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/?format=api&limit=100&offset=10800",
    "results": [
        {
            "ob_id": 12829,
            "relatedTo": {
                "ob_id": 41499,
                "uuid": "43eeb6248d7f435da2300edb34cc4bea",
                "short_code": "ob"
            },
            "url": "http://dx.doi.org/10.5285/1159923a-e983-2bb1-e063-6c86abc061b9",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtjmt5"
        },
        {
            "ob_id": 12830,
            "relatedTo": {
                "ob_id": 41388,
                "uuid": "b82b58d085d0433b821f4ae31cb608de",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/b82b58d085d0433b821f4ae31cb608de",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtjmt9"
        },
        {
            "ob_id": 12831,
            "relatedTo": {
                "ob_id": 41506,
                "uuid": "769edb50fca14da09e8f31a93f396128",
                "short_code": "instr"
            },
            "url": "BAQS-Thermo-49i-O3-concentration",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12832,
            "relatedTo": {
                "ob_id": 40037,
                "uuid": "da8e669a74334c82a56e0b470bc4ef04",
                "short_code": "ob"
            },
            "url": "FireCCIS311_grid",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12833,
            "relatedTo": {
                "ob_id": 40038,
                "uuid": "d441079fc77f49fabeb41330612b252f",
                "short_code": "ob"
            },
            "url": "FireCCIS311_pixel",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12834,
            "relatedTo": {
                "ob_id": 40038,
                "uuid": "d441079fc77f49fabeb41330612b252f",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/d441079fc77f49fabeb41330612b252f",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/g9v3xz"
        },
        {
            "ob_id": 12835,
            "relatedTo": {
                "ob_id": 41514,
                "uuid": "215af4b50e78460faf0b55173b44ec8f",
                "short_code": "proj"
            },
            "url": "AMCCA",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12836,
            "relatedTo": {
                "ob_id": 41262,
                "uuid": "2c1cb1d606c4421e9339a3028839a41f",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/2c1cb1d606c4421e9339a3028839a41f",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtkcmz"
        },
        {
            "ob_id": 12837,
            "relatedTo": {
                "ob_id": 41524,
                "uuid": "d08d1f4756e145a8a35ba8aba77a713e",
                "short_code": "plat"
            },
            "url": "lyneham",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12838,
            "relatedTo": {
                "ob_id": 41524,
                "uuid": "d08d1f4756e145a8a35ba8aba77a713e",
                "short_code": "plat"
            },
            "url": "0-20000-0-03740",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12839,
            "relatedTo": {
                "ob_id": 41524,
                "uuid": "d08d1f4756e145a8a35ba8aba77a713e",
                "short_code": "plat"
            },
            "url": "03740",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12840,
            "relatedTo": {
                "ob_id": 41526,
                "uuid": "53b564727ccd40bfa0751815bfe4628c",
                "short_code": "proj"
            },
            "url": "NE/S007423/1",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12841,
            "relatedTo": {
                "ob_id": 41529,
                "uuid": "44a0f04f9b37423e8534cc96a8cbe990",
                "short_code": "ob"
            },
            "url": "http://dx.doi.org/10.5285/11e55bd0-782d-5013-e063-6c86abc043bb",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtkmgt"
        },
        {
            "ob_id": 12842,
            "relatedTo": {
                "ob_id": 40060,
                "uuid": "2c6f3201f01d4346a97ff8f08a8c15c9",
                "short_code": "coll"
            },
            "url": "https://dx.doi.org/10.5285/2c6f3201f01d4346a97ff8f08a8c15c9",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtkms4"
        },
        {
            "ob_id": 12843,
            "relatedTo": {
                "ob_id": 41396,
                "uuid": "2bfbdba03d9b423f99cadf404ca2daab",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/2bfbdba03d9b423f99cadf404ca2daab",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtkp23"
        },
        {
            "ob_id": 12844,
            "relatedTo": {
                "ob_id": 41448,
                "uuid": "3a293db5bab5432e8d5190fd8e246cd6",
                "short_code": "plat"
            },
            "url": "0-20000-0-03745",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12845,
            "relatedTo": {
                "ob_id": 41448,
                "uuid": "3a293db5bab5432e8d5190fd8e246cd6",
                "short_code": "plat"
            },
            "url": "03745",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12846,
            "relatedTo": {
                "ob_id": 41534,
                "uuid": "2d8227dc429449e4887100bbf7513b8b",
                "short_code": "proj"
            },
            "url": "NE/X004031/1",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12847,
            "relatedTo": {
                "ob_id": 41536,
                "uuid": "b63b07ce2d60490c94b583c09bcbe0cb",
                "short_code": "proj"
            },
            "url": "NE/P01903X/1; NE/N006828/1",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12848,
            "relatedTo": {
                "ob_id": 41427,
                "uuid": "875f25069b5d4bd9a7101ca1206ee4f0",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/875f25069b5d4bd9a7101ca1206ee4f0",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 12849,
            "relatedTo": {
                "ob_id": 41425,
                "uuid": "c14874e943cc453a8e63ce5841ecc9b0",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/c14874e943cc453a8e63ce5841ecc9b0",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtk5r2"
        },
        {
            "ob_id": 12850,
            "relatedTo": {
                "ob_id": 41429,
                "uuid": "3fc7927499fa49e0b6ace6c807972259",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/3fc7927499fa49e0b6ace6c807972259",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 12851,
            "relatedTo": {
                "ob_id": 41205,
                "uuid": "c5f0aa806ec444b4a4209b49efc4bb65",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/c5f0aa806ec444b4a4209b49efc4bb65",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtmz6j"
        },
        {
            "ob_id": 12852,
            "relatedTo": {
                "ob_id": 34669,
                "uuid": "115d5e4ebf7148ec941423ec86fa9f26",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/115d5e4ebf7148ec941423ec86fa9f26",
            "identifierType": "doi",
            "shortUrl": ""
        },
        {
            "ob_id": 12856,
            "relatedTo": {
                "ob_id": 40843,
                "uuid": "7fc9df8070d34cacab8092e45ef276f1",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/7fc9df8070d34cacab8092e45ef276f1",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtp4wz"
        },
        {
            "ob_id": 12857,
            "relatedTo": {
                "ob_id": 40866,
                "uuid": "4a9654136a7148e39b7feb56f8bb02d2",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/4a9654136a7148e39b7feb56f8bb02d2",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtth3b"
        },
        {
            "ob_id": 12858,
            "relatedTo": {
                "ob_id": 40867,
                "uuid": "62800d3d2227449085b430b503d36b01",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/62800d3d2227449085b430b503d36b01",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtqg7f"
        },
        {
            "ob_id": 12859,
            "relatedTo": {
                "ob_id": 41271,
                "uuid": "20ec12f5d1f94e99aff2ed796264ee65",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/20ec12f5d1f94e99aff2ed796264ee65",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtp4nh"
        },
        {
            "ob_id": 12860,
            "relatedTo": {
                "ob_id": 41269,
                "uuid": "93444bc1c4364a59869e004bf9bfd94a",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/93444bc1c4364a59869e004bf9bfd94a",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtq3qb"
        },
        {
            "ob_id": 12861,
            "relatedTo": {
                "ob_id": 41270,
                "uuid": "d34330ce3f604e368c06d76de1987ce5",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/d34330ce3f604e368c06d76de1987ce5",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtp4ng"
        },
        {
            "ob_id": 12862,
            "relatedTo": {
                "ob_id": 41618,
                "uuid": "5131f7491ddb4b9793047b8793e32eee",
                "short_code": "proj"
            },
            "url": "NE/X010473/1",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12863,
            "relatedTo": {
                "ob_id": 38137,
                "uuid": "b1211ad185e24b488d41dd98f957506c",
                "short_code": "coll"
            },
            "url": "https://dx.doi.org/10.5285/B1211AD185E24B488D41DD98F957506C",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtsk4z"
        },
        {
            "ob_id": 12864,
            "relatedTo": {
                "ob_id": 41420,
                "uuid": "87afd9f974c6424290435bd9a418f71a",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/87afd9f974c6424290435bd9a418f71a",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtsphv"
        },
        {
            "ob_id": 12865,
            "relatedTo": {
                "ob_id": 40859,
                "uuid": "15a170dad3064fefa8936bd50877a93e",
                "short_code": "ob"
            },
            "url": "https://dx.doi.org/10.5285/15a170dad3064fefa8936bd50877a93e",
            "identifierType": "doi",
            "shortUrl": "https://doi.org/10/gtzwpt"
        },
        {
            "ob_id": 12866,
            "relatedTo": {
                "ob_id": 3456,
                "uuid": "308cd069fdb90c9f7ff790fdec5f2523",
                "short_code": "coll"
            },
            "url": "aam",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12867,
            "relatedTo": {
                "ob_id": 3826,
                "uuid": "c46248046f6ce34fc7660a36d9b10a71",
                "short_code": "coll"
            },
            "url": "ecmwf-op",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12869,
            "relatedTo": {
                "ob_id": 40958,
                "uuid": "793cf4d544c04c7db0e9faa45a0ca652",
                "short_code": "comp"
            },
            "url": "hadcm3-model",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12870,
            "relatedTo": {
                "ob_id": 14250,
                "uuid": "da4da4fad5a74db486db3e4a13adbe9d",
                "short_code": "ob"
            },
            "url": "isccpc2",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12871,
            "relatedTo": {
                "ob_id": 1669,
                "uuid": "94649e4a337ad6c83ee82683cfadf15c",
                "short_code": "ob"
            },
            "url": "ISCCP-D1",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12872,
            "relatedTo": {
                "ob_id": 1669,
                "uuid": "94649e4a337ad6c83ee82683cfadf15c",
                "short_code": "ob"
            },
            "url": "isccp_d1",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12873,
            "relatedTo": {
                "ob_id": 1669,
                "uuid": "94649e4a337ad6c83ee82683cfadf15c",
                "short_code": "ob"
            },
            "url": "isccp-d1",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12874,
            "relatedTo": {
                "ob_id": 6689,
                "uuid": "2e4c98d91a9237c128c0acbf3e11ce7f",
                "short_code": "coll"
            },
            "url": "mlsl3",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12875,
            "relatedTo": {
                "ob_id": 41663,
                "uuid": "0c92aaa948fc4cb7a66b641bb587f48e",
                "short_code": "proj"
            },
            "url": "NE/L002574/1",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12876,
            "relatedTo": {
                "ob_id": 41664,
                "uuid": "c8cca6026f2c42839a081863e6e910f8",
                "short_code": "instr"
            },
            "url": "leeds-windsond-5094",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12877,
            "relatedTo": {
                "ob_id": 41665,
                "uuid": "65a02c5efd554d46af897784d2273f8c",
                "short_code": "instr"
            },
            "url": "skypops",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12878,
            "relatedTo": {
                "ob_id": 41666,
                "uuid": "1a86f46ce3b942c9be1ab637829ecd3a",
                "short_code": "plat"
            },
            "url": "helikite21",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12879,
            "relatedTo": {
                "ob_id": 19089,
                "uuid": "45c07d898be045cfbc5e0ec2076e3ada",
                "short_code": "proj"
            },
            "url": "rapid",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12880,
            "relatedTo": {
                "ob_id": 5801,
                "uuid": "3e0a5f6f470c2b6b436e59a6a7fb8f7d",
                "short_code": "coll"
            },
            "url": "aaoe",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12881,
            "relatedTo": {
                "ob_id": 5462,
                "uuid": "19a2a820690fbc271fef38957dc3ca83",
                "short_code": "coll"
            },
            "url": "aase",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12882,
            "relatedTo": {
                "ob_id": 5361,
                "uuid": "1793a892e540cdca61e72fdae4ae4573",
                "short_code": "coll"
            },
            "url": "aase2",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12883,
            "relatedTo": {
                "ob_id": 1075,
                "uuid": "106eccb296d2729af8612541156a5f29",
                "short_code": "coll"
            },
            "url": "ashoe",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12884,
            "relatedTo": {
                "ob_id": 6584,
                "uuid": "6b45fb0da5dd0346866b836cf48be082",
                "short_code": "coll"
            },
            "url": "atsr",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12885,
            "relatedTo": {
                "ob_id": 3461,
                "uuid": "7cbc3fc19bfa037a48ba4cba4b93544d",
                "short_code": "coll"
            },
            "url": "cfarr",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12886,
            "relatedTo": {
                "ob_id": 2541,
                "uuid": "952240c4d03cfcfdef1590a4bad64ffb",
                "short_code": "coll"
            },
            "url": "cidc",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12887,
            "relatedTo": {
                "ob_id": 4342,
                "uuid": "1ae11ab1741c29c15ab58bbaeebc9550",
                "short_code": "coll"
            },
            "url": "claes",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12888,
            "relatedTo": {
                "ob_id": 6179,
                "uuid": "37e1193a2369aff54d22a40ac402030b",
                "short_code": "coll"
            },
            "url": "claus",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12889,
            "relatedTo": {
                "ob_id": 5561,
                "uuid": "70ac88bc486108ce47468f43382af020",
                "short_code": "coll"
            },
            "url": "cloudmap",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12890,
            "relatedTo": {
                "ob_id": 5438,
                "uuid": "fce964f2c07f107e3db5fb0a5c09c9b8",
                "short_code": "coll"
            },
            "url": "coapec",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12891,
            "relatedTo": {
                "ob_id": 6672,
                "uuid": "b6c783922d1ce68c4293d90caede5bb9",
                "short_code": "proj"
            },
            "url": "cru",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12892,
            "relatedTo": {
                "ob_id": 1435,
                "uuid": "573d8ec65dd8ae5ee3f779946fbc2497",
                "short_code": "coll"
            },
            "url": "easoe",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12893,
            "relatedTo": {
                "ob_id": 2325,
                "uuid": "bdd8efcf69d3373e5f4a8abd6ec80377",
                "short_code": "proj"
            },
            "url": "utls-ozone",
            "identifierType": "ceda_abbreviation",
            "shortUrl": ""
        },
        {
            "ob_id": 12894,
            "relatedTo": {
                "ob_id": 2402,
                "uuid": "52c9a18952a1267389e751b0c1a7bdc4",
                "short_code": "proj"
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