Evidence row 74378

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://econdash.org/api/v1/m2m/countries/DEU"
    ]
  ],
  "name": "econdash.org/api/v1/m2m/countries/DEU",
  "owner_address": "0x39e10e5f431b26cae3d7d0a39aef86055d015d8c",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "resource": "https://econdash.org/api/v1/m2m/countries/DEU",
          "version": "2"
        },
        "maxTimeoutSeconds": 180,
        "network": "eip155:8453",
        "payTo": "0x39E10E5F431B26cae3D7D0A39aeF86055d015d8c",
        "scheme": "exact"
      }
    ],
    "description": "EconDash economic data API (M2M)",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "iso2_code": "DE",
              "iso3_code": "DEU",
              "name": "Germany",
              "region": "Europe & Central Asia"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "iso3": {
                      "description": "ISO 3166-1 alpha-3 code, e.g. DEU",
                      "type": "string"
                    }
                  },
                  "required": [
                    "iso3"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T04:30:34.192Z",
    "quality": {
      "l30DaysTotalCalls": 13,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-25T04:30:33.472Z"
    },
    "resource": "https://econdash.org/api/v1/m2m/countries/DEU",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "EconDash economic data API (M2M)"
}

What the leaf hashes

{"body":"d88c0055aaa5d8e22a3466ef59aab25f1f66771681d9009ca6686b4c6ace747e","id":74378,"kind":"listing","method":"baseline/1","observed_us":1793025488872422,"prev":null,"subject":"x402_bazaar:https://econdash.org/api/v1/m2m/countries/DEU","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. 0x55a6540091353515bd9668d992219b8b717d666e23d2a95dfedb49824249b944
2. 0x71a115010847f81aff740964446a8f0df3031da634a5fbd036c044f29c9e80e5
3. 0x7beba53e4e5f4405803812f6fe03120e1c3ce3f6c74e43bf87092155a1f9c3fe
4. 0xfc4cba2133d53e68bc3c9204ea3f0a3d8c84efb80aadbdba996786b17bdf0dff
5. 0x5c38d0264faec557f9b68f5764d4cbe90f4f3cfa07c066d968fa57e24a427f1b
6. 0x56de7361d0d3f844fe319ab58e18f0ee53e8c7cb5441bc990de94e48bb930ca2
7. 0x277ed28d2b7e4fb3a8f6ace13a358d20ec83f17f22ad8994c009b460a14cd7e2
8. 0xb8a77b35d27c6000144ba9bb62f042dd9228115f753d6e53bb0bff6e450078ea
9. 0x5e213bdc1580737e42ad79b6f4d9525557bb386f49ea97fa5d1a0914a23f660d
10. 0x67cc9e33a20bfc6e2cc4190cfe822576e88db4e067580d9b03de61490ef43281
11. 0x8bfd0cb3fe1b89aff78054dc0373bbd54ebd61d68eb05854663a1667ccf265ff
12. 0x31b890f57b06aeb1ca9fb0cdc688bb75678ab9b2ff8ba49765e3d7bc0ae98597
13. 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae