Evidence row 2205241

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://landvergleich.halowerk.com/v1/rank-sites-depression-depth"
    ]
  ],
  "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": "Measures local depression depth for two to ten named European sites and ranks the observed values with ties preserved.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "locations": [
                {
                  "latitude": 51.9,
                  "longitude": 7.1,
                  "name": "A"
                },
                {
                  "latitude": 51.95,
                  "longitude": 7.2,
                  "name": "B"
                }
              ]
            },
            "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": {
                    "locations": {
                      "items": {
                        "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"
                          },
                          "name": {
                            "maxLength": 60,
                            "minLength": 1,
                            "type": "string"
                          }
                        },
                        "required": [
                          "longitude",
                          "latitude"
                        ],
                        "type": "object"
                      },
                      "maxItems": 10,
                      "minItems": 2,
                      "type": "array"
                    }
                  },
                  "required": [
                    "locations"
                  ],
                  "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": "2026-11-02T16:59:40.722Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T16:59:40.419Z"
    },
    "resource": "https://landvergleich.halowerk.com/v1/rank-sites-depression-depth",
    "serviceName": "HALOWERK Land Compare",
    "tags": [
      "land",
      "europe",
      "comparison",
      "depression-depth"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Measures local depression depth for two to ten named European sites and ranks the observed values with ties preserved."
}

What the leaf hashes

{"body":"878eeb4c548b4dc32afc3635a85cbb2aeb309379d5dc9319432bd4d6c3f448d6","id":2205241,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646957464559,"prev":null,"subject":"x402_bazaar:https://landvergleich.halowerk.com/v1/rank-sites-depression-depth","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. 0x58529091f37d3b1cd4153395ce02d5c5b3555a188cf9ff13c609429f6bbcb198
2. 0xa12400635e8452282393002fb51690c3936dda74a44a6988d9aa3ce94f363e34
3. 0x48e133917cad61e471f67698f29b2c6328c1c8a52b9d3f119b80418c746c2dfc
4. 0x0cb5511a40b567c6784008a60da1df59c0e7dbd66bf17447f1eaad941743de69
5. 0x8d5ff4f8c64520a77951264ad924ae24bfc6f14816b5b73d2647605ea1fc934b
6. 0xbefd8145e04d8d475e6fbc48bed754a72284fdd5075dd3b1db4e0b7e22d25de1
7. 0xdda5fdb9f2c7551a5bad2a491a03fbba0e3f434610653ee359d36deeefd07557
8. 0xcffa543784d32ff9576fd10933570254b5b06910c7b99f81f36fbce1787b6e3b
9. 0xe6b4f79eac8b19675414bac6095360a6799574734920248a706f3576379e9599
10. 0x25ae54b7b0944c149e82c6c9de20f248bb46594fc6100756e820706aa1bc9c25
11. 0xbd8c11f62d609bf3ed93b9a17435c97579361d23e3300a0dde72b85f00ef3652
12. 0x8d78c6f91f0a0c782b9c9f61136a2d39249651d60823d7dd99828d8f91c418ca
13. 0x4156d0c5ab6447dc36720ca7ceb2f5a0f0c5620d9192ea6d8fcf5e704e8dda41
14. 0xc73349c9955998a166e6e5920ac8ee0aa7bc6c9d66bace60f6dbd465dd9e0530
15. 0x52242d46cadab5f421a6f86c1edc6379b085ae98482fa80904e4a3028c1849a3
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af