Evidence row 121945

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://stat.halowerk.com/v1/inflation-divergence"
    ]
  ],
  "name": "stat.halowerk.com/v1/inflation-divergence",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "6000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Returns harmonised consumer price inflation for several countries over a period, taken entirely from the European harmonised index so the numbers are actually comparable. That constraint is the product: national consumer price indices use different baskets, treat owner-occupied housing differently and rest on different base years, so placing them side by side produces a comparison that looks valid because everything is expressed in percent and is not.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "countries": [
                "DE",
                "FR",
                "IT",
                "ES"
              ],
              "months": 24
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "countries": {
                      "description": "Two-letter codes within the harmonised area, e.g. DE, FR, IT, ES.",
                      "items": {
                        "maxLength": 2,
                        "minLength": 2,
                        "type": "string"
                      },
                      "maxItems": 12,
                      "minItems": 1,
                      "type": "array"
                    },
                    "include_core": {
                      "default": true,
                      "description": "Also fetch core inflation, excluding energy and unprocessed food.",
                      "type": "boolean"
                    },
                    "months": {
                      "default": 24,
                      "maximum": 60,
                      "minimum": 3,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "countries"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-19T06:31:38.904Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-19T06:31:38.489Z"
    },
    "resource": "https://stat.halowerk.com/v1/inflation-divergence",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Returns harmonised consumer price inflation for several countries over a period, taken entirely from the European harmonised index so the numbers are actually comparable. That constraint is the product: national consumer price indices use different baskets, treat owner-occupied housing differently and rest on different base years, so placing them side by side produces a comparison that looks valid because everything is expressed in percent and is not."
}

What the leaf hashes

{"body":"95ef6d1420c55e4b0efc488019d0fb0d5adcaabefa7bec2d40ade209144a1425","id":121945,"kind":"listing","method":"baseline/1","observed_us":1793025620699972,"prev":null,"subject":"x402_bazaar:https://stat.halowerk.com/v1/inflation-divergence","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x4a6246b675d6f0ca9b0b9e86b44bd0de82207bd721c1c93fe59a8677b0d22b62
2. 0xa08c4819d3eca7a0f8278ed36153a1ee1dc4f666f21f80b3cc31f4442fe0d07c
3. 0x3d47a118f3204e9906942fcf430176eac4291ddc0a2d70569ddd856aa50c19a5
4. 0xffa4049d4cb18dfca0229f96998e9836d3c9c8d5be85b301b7f8968c1ac833e3
5. 0xdeeecc49536e2fe0b5c374786c28560407208a37fbed8301cd45b5c5ff8e6469
6. 0x191d963ca12bb5ff6905baef46607ee8627761f3e892070fc64b9060486c4825
7. 0xcb73adfd6026762f77fa47a40632a46b27a438f99a5b109388b7c9e63905ebbc
8. 0x8f107c05420bf957c3330b179a6c02be144fc3ac4afc288881aaf6e6fd24beb1
9. 0x0d2fc889a37099ecba3d55c47d958794c2802a527a9b4db86fe2c6d1b859b439
10. 0xff35957d30a52fe0e2689931f3ecb8ebbaf5d3e10aea8fff101120a9530edc59
11. 0x36446ee01203fb6b2027599f737b7bdd64e3db182e50230f9c82fff4f67be776
12. 0xee7d5711cd2515f4b08f3e4041d3d56304f9db6bffd82d82746f0f4ea43b8f26
13. 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae