Evidence row 2205238

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://landvergleich.halowerk.com/v1/rank-sites-local-relief"
    ]
  ],
  "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 local relief 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": "2026-11-02T17:00:45.11Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T17:00:44.856Z"
    },
    "resource": "https://landvergleich.halowerk.com/v1/rank-sites-local-relief",
    "serviceName": "HALOWERK Land Compare",
    "tags": [
      "land",
      "europe",
      "comparison",
      "local-relief"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Measures local relief for two to ten named European sites and ranks the observed values with ties preserved."
}

What the leaf hashes

{"body":"c24190260b3afb9f9a6ac1207224cf622a1a476f20755377895d1143ae684e9b","id":2205238,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646957455098,"prev":null,"subject":"x402_bazaar:https://landvergleich.halowerk.com/v1/rank-sites-local-relief","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. 0xee670ef424478c1c7dcad31f79b01ef8af14cd19868db163016868b32330926a
2. 0x216a0f92115b2b88a0ef2a4d9942b56f8755e50d9d79b3c20224c1ea69394feb
3. 0xf76bc487907ccf2e365a4ade0adc250e35d0ecfb4b1363a140c9a3ba0a0ee30d
4. 0x3b201b008fa67c60d1b890b867ed17e475ba609048906f286cbdfcca4a423e7f
5. 0xb4c0e7eae6066e1b0797a4e0a958098431c9e8ee1365f7cdc5dbe5271f90a43a
6. 0xae7b0f457c4e43540bd6a492cd9d4af38f056ff752ab608db8335a1befd70ef0
7. 0xb869c093bea28a37dc0eb3d3ff0734bf51e3a041d3d13587dfd0e50bcfb535e2
8. 0x93e29f85967371233451d3e1a39596c7cec5174b6e69206292bdee28e4556046
9. 0x3deae1fbc918caa35d096c14d5ebded937b4adf80108de8ae498c42d1231d9e5
10. 0x289d10558b458eda3cc9917551191f15d289cb49c8cb0be546d2d23d012e6782
11. 0x151bd83170434ccd04f82906ef73350feadc28309b6f1874e3bc7fe465fe848f
12. 0x244e5498c1a18cb79272c8888907c216b04d0ef4381a107b2d329eb22383048b
13. 0x6a66db154e32d45aa1f1ce72719d9372fd5cdf4add16d249006bd3cdb0f7c074
14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af