addrbookFor publishers
← The evidence ledger

Evidence row 2205244

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://landvergleich.halowerk.com/v1/local-background-deviation-ruggedness
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
2b4fc1750a3dff77165b4cc4dc3f417046526455cb2183f89469c820a27ffb62
Leaf
0x52aa035ba20d2b1cfe1429eb68c4598f62fd8bd7e5826470219825ca5014d725

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://landvergleich.halowerk.com/v1/local-background-deviation-ruggedness"
    ]
  ],
  "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": "Compares the 60 metre site measurement for terrain ruggedness with a 1,000 metre local background measured from the same source and reports the deviation.",
    "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": "2026-11-02T16:58:36.036Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T16:58:35.55Z"
    },
    "resource": "https://landvergleich.halowerk.com/v1/local-background-deviation-ruggedness",
    "serviceName": "HALOWERK Land Compare",
    "tags": [
      "land",
      "europe",
      "change",
      "ruggedness"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compares the 60 metre site measurement for terrain ruggedness with a 1,000 metre local background measured from the same source and reports the deviation."
}

What the leaf hashes

{"body":"2b4fc1750a3dff77165b4cc4dc3f417046526455cb2183f89469c820a27ffb62","id":2205244,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646957473642,"prev":null,"subject":"x402_bazaar:https://landvergleich.halowerk.com/v1/local-background-deviation-ruggedness","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0x52a9e77dcbb88e1c8baa4d8c893108c7110292ac8ea7dd75e77052eb92864317
  2. 0x63b85ecb992a8832fab1781a769bed44f663b48ed7a7f64d986deff1f40accc4
  3. 0x71a4a81f1af2ac379c0b0013b95fc463f38458a8d9a1a4e0fd92159bed1ecb5f
  4. 0x22e814601a26f0489f16da240056f32ec0bcd4d0383c735e0235425e0d240cc9
  5. 0x82be7e71d38e2e41251ff404fca5f1b3ff3f2e85f1bb9834b2a0aa82af660aac
  6. 0x96ceb25e3cb16c5293774a28130ac13dc73e2d717015d3e96518c389ba370a3c
  7. 0x1abaf29c87c231f2b88a15491fc236dca77e4da5163cb94f725e391eeac54ff5
  8. 0xccf29f9e34caf7fef4cf39e203bfd92b360b29aef6a8935868222cab30025556
  9. 0x42df1dda10a9620401b90d749851679bcbc0b3edaf03f64c647915ebe93fc94a
  10. 0xd907dc4def928387e6e0b1c7979ff3736b37c0c96689f5618b46e9d7aab59ff0
  11. 0xf3842ec1d284b8dd3e855c5753327f72acb17d14a34c74476e1548a808165dcc
  12. 0x72adf61d2802939b48d74a549823053f636277c76140db963cda7bbd192a3539
  13. 0x1af6bd9d49aa04d9f41d673388facaaa9e6daacb0aa9aad0dcf31353556f6ee6
  14. 0xa96ecfe7ab9f1788120ca262a1b69b7b258160df41b4041d36fcd211c95d26d9
  15. 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
  16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
  17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON