Evidence row 3066405

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://ostland.halowerk.com/v1/ro-water-wetland-share"
    ]
  ],
  "name": "HALOWERK Eastern 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": "Combined share of permanent water, herbaceous wetland and mangrove classes. The coordinate is validated against the Natural Earth boundary for Romania; results outside it are rejected before payment.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "latitude": 44.4268,
              "longitude": 26.1025
            },
            "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": "2026-11-04T18:59:52.22Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-11-04T13:07:56.853Z"
    },
    "resource": "https://ostland.halowerk.com/v1/ro-water-wetland-share",
    "serviceName": "HALOWERK Eastern Land",
    "tags": [
      "land",
      "europe",
      "country",
      "ro",
      "water-wetland-share"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Combined share of permanent water, herbaceous wetland and mangrove classes. The coordinate is validated against the Natural Earth boundary for Romania; results outside it are rejected before payment."
}

What the leaf hashes

{"body":"2b9238fae9113627f2494e96cbfb4f8dba992953b194f56d579550c50a8c4386","id":3066405,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793822352026061,"prev":2228384,"subject":"x402_bazaar:https://ostland.halowerk.com/v1/ro-water-wetland-share","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x9d2924260c68d8c47057ce7e4a3798a3c0e4dbd7a346cb665e97baeba8a0321a
2. 0xcbc50da3b30f4834446daa0956c2dc04e6e6be08a9f72d8003ba5a6db6c5cb2c
3. 0xb26a10d3d1ae0516c63af17fa91939392c0120523490843e32708c5ed96a7205
4. 0x5a9bff7eed0c27266456beddea0b0dfa21e1d14e55030444996c3644cd0161a1
5. 0xf1bd302737c267d3e97cb3deeb93855e683bb792d18cc82719465822fdfb64ff
6. 0xb9a78458f6ff85aa979b92258892287f9662492e6fa46f702397c185c5d88cb1
7. 0x7bc789724ab40b75e29e22c90a12a1e676405647a195e7a2f883a226d96a6e2e
8. 0xeda2c95d32255606a1f351a6264d127ea415951e3ce28290fe9569383ae6183d
9. 0x8284e0fd6a596b96ef2c3569cfe79c7590e36ce882751b31613c6184fad24a53
10. 0xb86e62639c6d34aeb707dfaa06192ed4e12d28acad322770090ffc26e56c38bf
11. 0xadfeebee3b2b65997545419eda0fdeea1aca07fd7096f12bd8784f51de447ab9
12. 0xd9bf0a47be5d247bce08ddbc4f4e20d0292a1a29b42c08b30336c3db563b9ffc
13. 0xca6d7f79ac4b499566d27782a10e102f4e930498bb70ab81589def907c6f54ba
14. 0x989f4c924746011551de474bbf1291972687ddbb952d10e6d81e820171bba424
15. 0xcce6f2f7e4f40c7f768552ae3da9c9aed1be84ca300fbff8a25083a9399680f9
16. 0xcbeab7cdfbe295c259acb96245f397030a1d41f25243d4de19e7709db50be49e
17. 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345