Evidence row 2205235

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://landvergleich.halowerk.com/v1/rank-sites-ruggedness"
    ]
  ],
  "name": "HALOWERK Land Compare",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "8000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "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",
        "recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      },
      {
        "amount": "8000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "6pXwvPgqduMSx33GP8jiVCanpUhZZiPPyG784mNJ7q1Z",
        "scheme": "exact"
      }
    ],
    "description": "Measures terrain ruggedness for two to ten named European sites and ranks the observed values with ties preserved.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "locations": [
                {
                  "latitude": 51.9,
                  "longitude": 7.1,
                  "name": "A"
                },
                {
                  "latitude": 51.95,
                  "longitude": 7.2,
                  "name": "B"
                }
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$schema": "http://json-schema.org/draft-07/schema#",
                  "additionalProperties": false,
                  "properties": {
                    "locations": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "latitude": {
                            "description": "WGS84 latitude inside the published European coverage.",
                            "maximum": 72.5,
                            "minimum": 34,
                            "type": "number"
                          },
                          "longitude": {
                            "description": "WGS84 longitude inside the published European coverage.",
                            "maximum": 40.5,
                            "minimum": -31.5,
                            "type": "number"
                          },
                          "name": {
                            "maxLength": 60,
                            "minLength": 1,
                            "type": "string"
                          }
                        },
                        "required": [
                          "longitude",
                          "latitude"
                        ],
                        "type": "object"
                      },
                      "maxItems": 10,
                      "minItems": 2,
                      "type": "array"
                    }
                  },
                  "required": [
                    "locations"
                  ],
                  "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"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T17:01:48.973Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T17:01:48.745Z"
    },
    "resource": "https://landvergleich.halowerk.com/v1/rank-sites-ruggedness",
    "serviceName": "HALOWERK Land Compare",
    "tags": [
      "land",
      "europe",
      "comparison",
      "ruggedness"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Measures terrain ruggedness for two to ten named European sites and ranks the observed values with ties preserved."
}

What the leaf hashes

{"body":"d7adad58f5d863c73a6428eb770ec45a44210630812551de202b7ed8502e005b","id":2205235,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646957444046,"prev":null,"subject":"x402_bazaar:https://landvergleich.halowerk.com/v1/rank-sites-ruggedness","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x8eb5182ed024ced15d2cf7e352c8ca7519df8c86e886324311f39e73b20bbd51
2. 0xc8023a66080875bf1790568f759e80d4cbba9bb1bea6d06324d5b18d2c5bd1e7
3. 0x2f84518ff336a5dd31afe1122566bb46869d27f5d847ee7862f3bb74a43ebe75
4. 0x4dcd00dbadc8155eef2d8d200440fb81c8edf6fc60d3e1a3bd993e6e9a4619b9
5. 0xc3b65f32d59a02d9d6f6a11d9f38310666c9304afee135bd9ec2f46f58f0f16b
6. 0xe4b4e4694d908f4c55508e049f938b7a04a949f1f8d4656310a636450631e644
7. 0x2a01aaf54c36bc98dd5c466129c9de06b5d5b7155f1c367020b18309d92733c0
8. 0x4673688d5206318d8caed4b827a5deec5f31820b105ccfc678452d9c7bd08beb
9. 0x5625967924dea6545f0d458f121b5f050dba75847c0cbd1e25440239795a7d67
10. 0xcc309ee9cd8c6196e8ac9e8b70fe7135bd69f90d9eda50f1fb80d6f22582e524
11. 0x2f63c8966fc2b671d4c4115d1d87977e70b5c16399390b231817b1ea38ec0442
12. 0x0a1171d423b8986d66fcb09b500ee0cce0433114096ff8bca257f6b3431db17f
13. 0x8e26ae8a6fa3c6baea1cd4108668ed189b835a519376f35f53b7ea9cc4800a95
14. 0x3f15e4f2fd3ab4091e7284edf8bfed23163b8ef6b0c8fdbd458a498a9bb35a32
15. 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af