{
  "dataset_id": "uk-us-monthly-cpi-2015-2024",
  "version_id": "cpi-history-snapshot-20261108-v1",
  "result_sha256": "b7a43e1a00b18ff8db7926fa7873a06143abf919970e6296f9f2d7b3ea47b2d0",
  "proof": {
    "schema": "avh-cpi-query-http/1",
    "query": {
      "dataset_id": "uk-us-monthly-cpi-2015-2024",
      "country": "GB",
      "start": "2024-12",
      "end": "2024-12",
      "measure": "year_over_year"
    },
    "status": "ok",
    "answerable": true,
    "parent_ref": {
      "dataset_id": "uk-us-monthly-cpi-2015-2024",
      "version_id": "cpi-history-snapshot-20261108-v1",
      "result_sha256": "b7a43e1a00b18ff8db7926fa7873a06143abf919970e6296f9f2d7b3ea47b2d0",
      "sources": {
        "GB": {
          "provider": "Office for National Statistics",
          "url": "https://www.ons.gov.uk/economy/inflationandpriceindices/timeseries/d7bt/mm23/data",
          "retrieved_at": "2026-11-08T19:20:29.825097+00:00",
          "raw_sha256": "a0e630b09306a449f79de41ced22bb5640f34c6cab6923900a4fb8b101c69c93",
          "license": "Open Government Licence v3.0",
          "license_url": "https://www.ons.gov.uk/help/terms-conditions",
          "attribution": "Source: Office for National Statistics. Selected2015–2024monthly observations; normalized by Agent Value Hub.",
          "original_available_free": true
        },
        "US": {
          "provider": "U.S. Bureau of Labor Statistics",
          "url": "https://api.bls.gov/publicAPI/v2/timeseries/data/CUUR0000SA0?startyear=2015&endyear=2024",
          "retrieved_at": "2026-11-08T20:46:10.539855+00:00",
          "raw_sha256": "d20bcd88fd969242e862091e7064b2b7b948a20ed0fb43a663ce7d92fe81e7b1",
          "license": "Public domain published statistical data",
          "license_url": "https://www.bls.gov/bls/linksite.htm",
          "attribution": "Source: U.S. Bureau of Labor Statistics. Selected2015–2024monthly observations; normalized by Agent Value Hub.",
          "original_available_free": true
        }
      }
    },
    "coverage": {
      "requested_periods": [
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      "lag_periods": [
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      "available_required_count": 2,
      "missing_requested": [],
      "missing_lag": [],
      "policy": "All requested output months and their mathematical dependencies must exist; no interpolation or partial success."
    },
    "series": {
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      "series_id": "D7BT",
      "base_period": "2015=100",
      "seasonal_adjustment": "not_seasonally_adjusted"
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    "result_unit": "percent",
    "formula": "100*(index[t]/index[t-12]-1)",
    "evidence": [
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        "period": "2023-12",
        "value": "132.2",
        "source_pointer": "/months/431"
      },
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        "period": "2024-12",
        "value": "135.6",
        "source_pointer": "/months/443"
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    "results": [
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        "period": "2024-12",
        "lag_period": "2023-12",
        "value": "2.5718608169440242057488653555219364599092284417500"
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    ],
    "value_status": "derived_from_supplied_index_levels",
    "limits": [
      "National basket, not absolute cross-country price level.",
      "Derived change is not the separately published official inflation-rate series; precision or revisions can differ.",
      "Current historical snapshot, not as-known publication vintages.",
      "Single-country snapshot calculation; transport availability is reported by the service."
    ]
  },
  "proof_id": "4cd24b01d9a57a2fae163bf3960a84148000480c6d0896894c18d0844c0ce60c",
  "links": {
    "query": "/v1/datasets/uk-us-monthly-cpi-2015-2024/query",
    "evidence": "/v1/datasets/uk-us-monthly-cpi-2015-2024/evidence",
    "parent": "/v1/datasets/uk-us-monthly-cpi-2015-2024/result",
    "sample": "/v1/datasets/uk-us-monthly-cpi-2015-2024/sample",
    "full_access": "authentication_required"
  },
  "sources": [
    {
      "provider": "Office for National Statistics",
      "url": "https://www.ons.gov.uk/economy/inflationandpriceindices/timeseries/d7bt/mm23/data",
      "retrieved_at": "2026-11-08T19:20:29.825097+00:00",
      "raw_sha256": "a0e630b09306a449f79de41ced22bb5640f34c6cab6923900a4fb8b101c69c93",
      "license": "Open Government Licence v3.0",
      "license_url": "https://www.ons.gov.uk/help/terms-conditions",
      "attribution": "Source: Office for National Statistics. Selected2015–2024monthly observations; normalized by Agent Value Hub.",
      "original_available_free": true
    }
  ],
  "credits_debited": 0,
  "sample_policy": {
    "id": "cpi-fixed-preview/1",
    "authentication_required": false,
    "selection": "Fixed GB December 2024 year-over-year calculation",
    "query": {
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      "country": "GB",
      "start": "2024-12",
      "end": "2024-12",
      "measure": "year_over_year"
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    "returned_result_rows": 1,
    "result_row_limit": 1,
    "supporting_observations": 2,
    "parent_observation_rows": 240,
    "sample_period": "2024-12",
    "parent_period": "2015-01/2024-12",
    "pagination": false,
    "next_cursor": null,
    "arbitrary_query": false,
    "expanded_access": {
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      "billing_enabled": false,
      "credits": 0
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    "limits": "Historical snapshot; no interpolation. Derived change is not the separately published headline inflation rate."
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}