Evidence row 2228462

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mitteleuropa.halowerk.com/v1/si-cropland-share"
    ]
  ],
  "name": "HALOWERK Central Land",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "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": "3000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "6pXwvPgqduMSx33GP8jiVCanpUhZZiPPyG784mNJ7q1Z",
        "scheme": "exact"
      }
    ],
    "description": "Share of ESA WorldCover 2021 pixels classified as cropland. The coordinate is validated against the Natural Earth boundary for Slovenia; results outside it are rejected before payment.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "latitude": 46.0569,
              "longitude": 14.5058
            },
            "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": {
                    "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"
            }
          },
          "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": "2026-11-02T17:03:52.263Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T17:03:52.036Z"
    },
    "resource": "https://mitteleuropa.halowerk.com/v1/si-cropland-share",
    "serviceName": "HALOWERK Central Land",
    "tags": [
      "land",
      "europe",
      "country",
      "si",
      "cropland-share"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Share of ESA WorldCover 2021 pixels classified as cropland. The coordinate is validated against the Natural Earth boundary for Slovenia; results outside it are rejected before payment."
}

What the leaf hashes

{"body":"a76bc0bacde17039223cafdf4a17535593482f4876a4e78c014c8fc8cff3f832","id":2228462,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647422682351,"prev":null,"subject":"x402_bazaar:https://mitteleuropa.halowerk.com/v1/si-cropland-share","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. 0x6aacf55c61b3ca8b27a71984495b2fb4745a22049e4cfba97fb54a4a65682603
2. 0x218e7935451f1ad7b58ff32c3d4e26e3d9b0e003c7197d3f8e199f725e738c6b
3. 0x5ef9be89736567bf5e099f1c23f2b281843246880a834e6f8c402ced084384d9
4. 0x1b8ed1419764cb1f10c859444be105e976f1cd551768abb94242960a9485717e
5. 0x58cb84e4b3c2850207d1765d2d1d5ffa29177aeffdf808fdd88daeec4089d593
6. 0x730be88c6723f358e9e94cb66b4a7a5d7df6ad080f756cbc05e20e8696375652
7. 0x7c43df10b8f0b137e750cbd8afd781591da57c4e1cdf18b28b62fd0c91c67af0
8. 0xc8d9abe48daf13952d06029fd3e36d9d1d1bc3d8ea03b5657af048eb2dd28330
9. 0x90b7096f1aea97ee5a120e718dbabf2f8a062bed54994adbc32bcc67f9489216
10. 0xade7d9d4624dd70458a0cfd3dcc01a5a1062af5e65c5f34a4a84444222ca3b56
11. 0x8618b1fa2b2b4ea0d79cf7ce7596a3b22a35e114714de8a82e17436b027123b3
12. 0xb48ca1bd0f7d11b26354130c55fb0705def4c057f699f06b082b6cdf5cb448a2
13. 0x2fd2d9cf947c79681f19cce7449a6b4b73c256ceadacecd526a729734fb1339d
14. 0x197bc18a6b8126dd9b52133f001dca55646ad9292aafa98222498ec1746809a4
15. 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af