Evidence row 3763328

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": "2026-11-05T00:59:11.523Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-11-05T00:59:10.952Z"
    },
    "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":"ad38cad9c431639a197b2e9fab64fd25b8707a9c0022cdf11759799b7d5e5f18","id":3763328,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793996542093865,"prev":3066085,"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 2026-11-06 (303443 rows).

1. 0x5faa9fa63d31df85fd77651c129054964aced0d9f1239159a04417816e993cd3
2. 0x3fbb46df55e52f047f0ebed34a36a786bf586bc149b3668e30ccda6f7dc511e4
3. 0x90dd12f64aab79badfd4e5a1c07c3326611ff6799ef46889e182a96d738dec82
4. 0xa8a76716ee43cb0848cca4812f680726a2f4800d5cb1ad46df2bcc9561928ef9
5. 0x65d17746bb76a15dfbcb1da138e55599eec05ef5a1246626349b6b257fd4568d
6. 0x688ddcee4211f3d103939d4f45db2e83f8b7b51e17d0a09d740f8d183f1c1e68
7. 0x3afb863d01cf28550d19e38f617f4f58bad3baed2e0def71b4cf74a8b67ad7d5
8. 0xf6dd9b2c606b72e075112a170ad6ab34d35a71d5f114a264323365783d14ee77
9. 0xc0cf891707f2ae615fbb470f70c2377b4bb8b2520d8b95e2937ed18548eff38f
10. 0xe7940a53dd6d4e3d4a45e1ac5524af36bfb13d3fda02d140259dcfdc4bc6af49
11. 0x0fb1e7437bde305e049ee780c32c93274b22b15c1a01fc606d5a1544b153fc09
12. 0x85b6084f25e1adbc2dcbf54d4b4bcfbceca59e6c7f1191d754a040e1b93a028b
13. 0x61731d3b116db5233b7fd88e3ba87bf952acf90777af812de1d446a7f3186635
14. 0x436c32b517f221d6ad84bca91be0dd1a4a4c33e7297c776990ac7a95a4e2e423
15. 0xf5bd84a61225f062ef205a5e8dc4f170a403665fdfa49b2b923457e0386f3abe
16. 0x7a2e5c8104eb5015bfa08d52a9278aa0b4da48bd2fb98690cc2d1c225b5dc691
17. 0x4a618d78b1cebba8beec4ef22aaac9187dcdfb39064e0be537ca2600abb90740
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1