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Evidence row 74943

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://euroref.dev/v1/certified/:country/:series
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
ccb7683272a4cf2ac22b6c274c6c85182e309eac217f994abcdfd960d215a642
Leaf
0x957caa89a0555e5f4fe537a213d14395c8e20ef2cef2b291e9fe6cdc220a2a8b

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://euroref.dev/v1/certified/:country/:series"
    ]
  ],
  "name": "Euroref - Europe reference data",
  "owner_address": "0x1f0409ccd20a2fb497d4decef4e17e9d0688fea6",
  "raw": {
    "accepts": [
      {
        "amount": "100000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1F0409ccD20A2fb497d4DeCeF4E17e9d0688FeA6",
        "scheme": "exact"
      }
    ],
    "description": "France: Policy interest rate (ECB deposit facility rate), cited JSON with source URL, effective date and last_confirmed. GET /v1/fr/policy-rate.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "country": "FR",
              "effective_from": "2026-09-16",
              "last_confirmed": "2026-10-09",
              "series": "policy-rate",
              "source": {
                "name": "European Central Bank, Key ECB interest rates table: deposit facility 2.50% with effect from 16 ",
                "url": "https://www.ecb.europa.eu/stats/policy_and_exchange_rates/key_ecb_interest_rates/html/index.en.html"
              },
              "unit": "percent",
              "value": 2.5
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/certified/:country/:series",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "description": "Cited series value (JSON)",
              "properties": {
                "country": {
                  "type": "string"
                },
                "last_confirmed": {
                  "type": "string"
                },
                "series": {
                  "type": "string"
                },
                "source": {
                  "type": "object"
                },
                "stale": {
                  "type": "boolean"
                },
                "unit": {
                  "type": "string"
                },
                "value": {}
              },
              "type": "object"
            }
          },
          "required": [
            "input",
            "output"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792871091/bazaar-icons/f790c31336e363ca.png",
    "lastUpdated": "2026-10-24T20:33:48.591Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-24T20:33:47.45Z"
    },
    "resource": "https://euroref.dev/v1/certified/:country/:series",
    "serviceName": "Euroref - Europe reference data",
    "tags": [
      "policy-rate",
      "france",
      "reference-data",
      "central-bank",
      "interest-rates"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "France: Policy interest rate (ECB deposit facility rate), cited JSON with source URL, effective date and last_confirmed. GET /v1/fr/policy-rate."
}

What the leaf hashes

{"body":"ccb7683272a4cf2ac22b6c274c6c85182e309eac217f994abcdfd960d215a642","id":74943,"kind":"listing","method":"baseline/1","observed_us":1793025489848452,"prev":null,"subject":"x402_bazaar:https://euroref.dev/v1/certified/:country/:series","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x957cc4ad446f9e5d13a7fabfca37a16e8c398adc95754f271c4a77dbc24b7ca2
  2. 0x7731028ffa47e4d754bc4d0eda83925d05390373a08a9c1d548b80e6b398de05
  3. 0x3c629fd735be850cb56cc93384398e09f6267f8117a7ed712b2a1faa9c9ba188
  4. 0x78c7254203270f32e88d7da67de49236250f006203fa7c1e7a259bbfa9a466f2
  5. 0xf15cb97fb1c82666a93e8c9d5746c7e921365f7d62ce045abe9686d6ed6baa22
  6. 0x3899492d53597071abf78f8f5e85dbaca86f78e247d260ba17db54dc3cb88315
  7. 0xcea5afbab8d9f92166604e06a9937439a05759442d3ba77b64e996d33bbae7cb
  8. 0xcceafd6d3bcecbc6ac168587ce3fd74d4183a17113c7862ac077fd944fbb33ca
  9. 0xeaa83a242ff2978695e9e1cfc4a7b501fae86b1985270b23154a23a14845e6f3
  10. 0x93fdf56e11ca55e7de8840750dc407c579d998851eeba81adf9b02fc56cf0786
  11. 0x410382a743218ee37cce3087a0bdbcb3f5a456fc78a975bb16e175d9ceedd913
  12. 0x12169ac86722058ecf46a1b83c56e8b21899ab108a12c5a4429da74c5d191294
  13. 0xb314422bc93e7f1c0b706c67f5fff96c5ddf74934bb2fe8ab6291ae016907e37
  14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
  15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
  16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON