Evidence row 3066085

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://landvergleich.halowerk.com/v1/worldcover-2020-2021-water-wetland-change"
    ]
  ],
  "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": "Water and wetland-share change measured from ESA WorldCover 2020 v100 and 2021 v200 for the same 250 metre analysis area. The result is observed map-class change, not a causal claim.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "latitude": 51.9,
              "longitude": 7.1
            },
            "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": "2026-11-04T19:05:12.323Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-11-04T13:09:47.847Z"
    },
    "resource": "https://landvergleich.halowerk.com/v1/worldcover-2020-2021-water-wetland-change",
    "serviceName": "HALOWERK Land Compare",
    "tags": [
      "land",
      "europe",
      "change",
      "water-wetland-share"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Water and wetland-share change measured from ESA WorldCover 2020 v100 and 2021 v200 for the same 250 metre analysis area. The result is observed map-class change, not a causal claim."
}

What the leaf hashes

{"body":"e463e20174179055bc4e16457c9c724000c4f67143dee71fb7c6b20671b412b4","id":3066085,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793822295125248,"prev":2205227,"subject":"x402_bazaar:https://landvergleich.halowerk.com/v1/worldcover-2020-2021-water-wetland-change","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. 0x6106334aae91f6ec4f2ee1f28d6fd04ded36f01253919891fdc55823a5535b79
2. 0x65ee6d0267a9178b2d140f7b9873a7eeda50b1814edfae53f68412edd9b5dc7f
3. 0x82b3ed7c95a6a55db8cf54f7d5186f15e9f5fc1765f4cfc6880a0ca505ef8c93
4. 0xe44a9264da0fcd123e52414bfce0b1ab2e90767d8a7aab3b2e3d21cd6dffac9b
5. 0x5a7b6cd9701f4ef3abee81d0140064f3192e3f78e0b8c0f08e7874f7a9782891
6. 0xa7037f83e9700376e4d444b389395843238750adabaa82aba525ebcde04aee10
7. 0xe7f1ae877fb44f7ac810975e6c56fc61fd97b6f2c0058c5e4cbafd065579c84b
8. 0x695431d5fd2176bbe84119c6c8ecddcdd7e6c2af12263c51709c6b8fc7e0f843
9. 0x1821b59d53a6fd2ff1d1b875b8765f8f6e7fc968e51cb5a95f77b9dabd4c77dc
10. 0x983b67b687db778ba0308cf73709473c484f9754f7eff87e38c8c62c5e1db129
11. 0x04579d53776b950f3cdeef5c1121defdc491b7ac5114bc09b33c785c0679226d
12. 0xed16332def1f4a73193a3818f88f36897a433c9a3eb0300df59a4d04527fe185
13. 0xbb5dca07106fdb0c308e2d8004cd4d6c885cc3e15a96807f75bd29d6d805aa23
14. 0x4c6a239112152a196e534957ed4fc38d90b1a49e17c6ec6aeb24e15cf6f3a341
15. 0xef57a5030e9f74924772ed82f2ec9d81269d0f11488e66c967d5fe90d002634f
16. 0x5c295f44fee7844fe001921189101c73d5ab26f05805bf5587a5f0e5ee351912
17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345