Evidence row 2634037

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mitteleuropa.halowerk.com/v1/li-soil-texture"
    ]
  ],
  "name": "HALOWERK Central Land",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "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": "4000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "6pXwvPgqduMSx33GP8jiVCanpUhZZiPPyG784mNJ7q1Z",
        "scheme": "exact"
      }
    ],
    "description": "USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Natural Earth boundary for Liechtenstein; results outside it are rejected before payment.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "latitude": 47.141,
              "longitude": 9.5209
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "authoritative_status": "preliminary_non_binding",
              "category": "country",
              "charged": false,
              "checked_at": "2026-10-23T02:05:26.872Z",
              "confidence": 0.73,
              "confidence_method": "Conservative minimum source-family basel",
              "data_date": "2020-05-01T00:00:00.000Z",
              "evidence_classification": "derived_from_open_geodata",
              "generated_at": "2026-10-23T02:05:26.872Z",
              "result": "measurement_available",
              "risk_level": "not_applicable",
              "service": "li-soil-texture",
              "service_id": "eli-0494",
              "status": "success",
              "summary": "Liechtenstein: Topsoil texture class: so"
            },
            "type": "json"
          }
        },
        "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": {
                    "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"
                    }
                  },
                  "required": [
                    "longitude",
                    "latitude"
                  ],
                  "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"
            },
            "output": {
              "properties": {
                "example": {},
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type",
                "example"
              ],
              "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": "2026-11-02T17:29:32.512Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T17:29:32.253Z"
    },
    "resource": "https://mitteleuropa.halowerk.com/v1/li-soil-texture",
    "serviceName": "HALOWERK Central Land",
    "tags": [
      "land",
      "europe",
      "country",
      "li",
      "soil-texture"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Natural Earth boundary for Liechtenstein; results outside it are rejected before payment."
}

What the leaf hashes

{"body":"a99ed14e2ea1bd17895f0402781cd69495c086620464f865d53cd2bde5721642","id":2634037,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734485596824,"prev":null,"subject":"x402_bazaar:https://mitteleuropa.halowerk.com/v1/li-soil-texture","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x3a7e4604f23718c6738afbb122e81fb4d46853e44abf1f98f64dc21d8314ea33
2. 0x723d2015e3c59d1559d0c3496836e76c681bed60f29c03dc6a35b77c691704ad
3. 0x1056be11f0403fef817dfd2bce6f261d0bec05ce47b1c5f7bb3f9b41f4cd29d5
4. 0x2a94980e4bcf6055dd0ab2f484f1993093c916d67b41a5b648956a8a47eee451
5. 0xf23701f6c3ed105c795cb305921a849fd86023fe5e80fba93592dfd145e4e3f5
6. 0x892e8527f7564a00f54c1923870a402fb8002e43f2b821eb7320b9cb3bcef947
7. 0xf312247a68db46663e43eb1a9e8c8aab0b99acf64c79510393b35cede82291b2
8. 0xac66fede6d47d261c302894bcfd4a4669b50b9e90556ce80aff93141392b495f
9. 0x0cec136f15190da52b8b78db2178a3155988d427e5a9199896a6143464678101
10. 0xa6b8c65ae3ad0464ec54b1e716ac1442b45cb7068f8b491a829377dc1161d491
11. 0xe4add1f44640dfb16524a848966b3436180c859ac555da5bcbb29f70be66313f
12. 0xbc0e8f4cedab471dd5faf99b833903854f87b7d3d9323c3e331229a9891171c0
13. 0x9ff0540c065d2c066aa07e30d42707c88f5f7729bc3c89880661802495922729
14. 0x58aed1257fcd4ee1c84710e1858bdde1ba134c86ed73f1f35a7aeaeacd9398e4
15. 0xb1fe1f6398b7faed977bc6cc75b0a8404ef5a6cb386ca30aebdb7450b7bb6dbe
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7