Evidence row 116893

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mearef.dev/v1/compare"
    ]
  ],
  "name": "Mearef - Mid-East reference data",
  "owner_address": "0x1f0409ccd20a2fb497d4decef4e17e9d0688fea6",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1F0409ccD20A2fb497d4DeCeF4E17e9d0688FeA6",
        "scheme": "exact"
      }
    ],
    "description": "Compare one government reference series (VAT, policy rate, minimum wage, CPI, corporate tax...) across up to 10 Middle Eastern countries in one call, each row cited to its official source with effective and last-confirmed dates",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "countries": "ae,bh,il",
              "series": "vat"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "countries": {
                      "description": "Comma-separated ISO 3166-1 alpha-2 codes on this brand, at most 10",
                      "type": "string"
                    },
                    "series": {
                      "description": "One series id from GET /catalog, e.g. vat, policy-rate, minimum-wage, corporate-tax",
                      "type": "string"
                    }
                  },
                  "required": [
                    "series",
                    "countries"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792871104/bazaar-icons/9c3168a3fd552d30.png",
    "lastUpdated": "2026-10-24T23:45:01.878Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T23:45:00.68Z"
    },
    "resource": "https://mearef.dev/v1/compare",
    "serviceName": "Mearef - Mid-East reference data",
    "tags": [
      "reference-data",
      "compare",
      "bundle",
      "middle-east"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compare one government reference series (VAT, policy rate, minimum wage, CPI, corporate tax...) across up to 10 Middle Eastern countries in one call, each row cited to its official source with effective and last-confirmed dates"
}

What the leaf hashes

{"body":"4934d6077ad680999c49f55aa296deac64d681f48cb66e42b946bb6f9b9d7d2d","id":116893,"kind":"listing","method":"baseline/1","observed_us":1793025610382691,"prev":null,"subject":"x402_bazaar:https://mearef.dev/v1/compare","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. 0x2599b7c5dc0ea6caf19d63ccb92e46ed711a7d6ccccd9cd1c2b78a1f19d614ed
2. 0x126b14d43c7e83ffd52a5074d88671b0d44d2b1d39c6391f748d38ffe9395158
3. 0x52406ef75d787f9726b7cdde5f207ca4a8d8a00fd201f0c7ca9961f339d2a222
4. 0xd72ac56dd7a6386c1e82b8f5d10fd4b30b196e259b7825ccee27256187fb8f27
5. 0x7b79b65743bb37551485d8569309e89b8b5a6cdf7b7a119be509cdb2f2ace25f
6. 0x1546d5818142daa9764fc6bac5c0e0dd1ee01e87dbdd2ad2c8e84f5331a883b5
7. 0x79fade1ba10f9ab81b6b1cc1dea8f8b04e17a685212ee41d9df8b9ff2525067a
8. 0xd5b5aaef142f27738ee5dc9e4a36d6d10cc4e2295c82326d120207967365a5c1
9. 0x05f040cb57d24bd3274ffc84a96b8e12a0e44eeb2bb28e181c37c22443715852
10. 0x8be58c5857bbc47fce7c17c05d9fabb43ce7fac0302eb1eceb39c699f199154d
11. 0xd59298b1ed461f406932ca0ca85948982d67f90463e31e5b2c45ab2a35eacd3f
12. 0x266d991b0a994042474d2789bd5d3ba2433a122ae3c1027e2ccd7c0f4cf63071
13. 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae