Evidence row 2205239

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://landvergleich.halowerk.com/v1/rank-sites-elevation"
    ]
  ],
  "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 elevation 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": "2026-11-02T17:00:26.188Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T17:00:25.952Z"
    },
    "resource": "https://landvergleich.halowerk.com/v1/rank-sites-elevation",
    "serviceName": "HALOWERK Land Compare",
    "tags": [
      "land",
      "europe",
      "comparison",
      "elevation"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Measures elevation for two to ten named European sites and ranks the observed values with ties preserved."
}

What the leaf hashes

{"body":"e859e75e3c5226be403750bab06c9d862b9ebbc263112a77a0298d04de35f5b6","id":2205239,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646957458412,"prev":null,"subject":"x402_bazaar:https://landvergleich.halowerk.com/v1/rank-sites-elevation","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. 0xb8c6405b7d3103570e795fdc4fe8cf5cdce30d871180ffaec1ecbdac4441e657
2. 0x3557d25054bad9c9c46e41a0b5a6850ef3fd7c1239b96b8042258a8b13b8f9c9
3. 0xd365056d4507fd47db5a3e761e0abfffaad10308869cfb18d00b9292bb5e836e
4. 0xe48dd9096d7e542a1a3de4be23089605066ab15cd6d1b6898baf925781fd7be4
5. 0x72dfc085039f4c93dc8611d887a48d946da43ffa02ff9cef9460890f4470edf8
6. 0xb7fafa0cb1334fc0723017d87f90c30607eb628c1df640ded713b5580de2fdfc
7. 0x82876a34e2832c364c818abc765bb90313bf230dc0ad06bb2d4b2010f64bff28
8. 0xae721f87178b7ca21d97355204eac0aa5f62fe2bcab1cd90b32f74fd72d45272
9. 0xd57702c177aec3488948ae23027cc6d32f1b053f304255ec97784755b2d4c093
10. 0xf7a002b65dc08eb2d31e4c2527c17a9a288eceb01a5e3ca2b0ab67e6b9ab796a
11. 0xcdd0bf3077ebdb47e8782f3d79956fd430bac5729173d7f9a0ec212349000eb5
12. 0x203a0e1fcf7f6b3c1f6e99b559fa5b97c74c6f45b35f6eb08cb8521cdde39bc5
13. 0x080572f8942a728701d6e4c74c76b04c122aa149d1dbdef56feb8ce007a745b1
14. 0xc1d961be09ff84253ce4ecf4b141b3c25631ce9eb1cc0a3197e5d83d03240ee4
15. 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af