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Evidence row 2205248

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://landvergleich.halowerk.com/v1/local-background-deviation-elevation
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
39e2ac05542638733db7951991375f5d6bcd30a69df10a911c2ebb613f3f20a6
Leaf
0x10b763357fec969ea498289fa27430cd5bc9b813340f539e4c9f5bfc4239fb08

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://landvergleich.halowerk.com/v1/local-background-deviation-elevation"
    ]
  ],
  "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 elevation 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": "2026-11-02T16:57:10.723Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T16:57:10.134Z"
    },
    "resource": "https://landvergleich.halowerk.com/v1/local-background-deviation-elevation",
    "serviceName": "HALOWERK Land Compare",
    "tags": [
      "land",
      "europe",
      "change",
      "elevation"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compares the 60 metre site measurement for elevation with a 1,000 metre local background measured from the same source and reports the deviation."
}

What the leaf hashes

{"body":"39e2ac05542638733db7951991375f5d6bcd30a69df10a911c2ebb613f3f20a6","id":2205248,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646957486955,"prev":null,"subject":"x402_bazaar:https://landvergleich.halowerk.com/v1/local-background-deviation-elevation","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. 0x10b7a3903b0a50547e5e39794c296cb782ce00f60d80534afcd2082863f9647b
  2. 0xd2f98cad58fa30c48d4432718c02646bac338f6920416e64229b3727495cc676
  3. 0x8054ea773f7d1d035b9e90e704d9de18e5bf983e5b4a1992a1b73df9dfa040be
  4. 0x848120e3d2eb6206337e528644cff19bb36675403f68a93efa8872104da0bffb
  5. 0xb61724aa448e0be3d7cb6879ae94638a15c451f0415bb651bb6b72bea185aa4b
  6. 0x6810cfc65d119f0603eaa0d030aaba7ca2ef91e9830fe8d614c098d50bd874ec
  7. 0x8775ac165d284e5f5ee84c552f7253b1f276b27e98c4c9756a57247ffba37236
  8. 0xe2d77052059f83162e9f9a4d85e99efe03137b2c97b6436790116dfb8406f700
  9. 0x9ee2061d6c3ec10fa7170b6197660a21351079d736ddde158b2d460ca02ed239
  10. 0xc9df0040d03626e63b43cfc2287e812ec800c9fd86eea1a659eca17d5998fa53
  11. 0x5119a4e018483d7f40f02ae2eb91b88a3c147b1798d06b859b735f3f0c65a394
  12. 0x715a24b0f5dcc05977b0c3347c56e4c0b94bbc2f7d199d9d81cb44c4cf0d9324
  13. 0x51686476d83f4be87192f4eeb7ac78473591bfaf5a92a1822648fcb019a95a83
  14. 0x9914dfe331775bd1714304f757d2b6b43ba45167245d645ce50f54a3d8617c4d
  15. 0xd82979c12a2aae44121bb6058b3364b3a3cbc9be411e35ab0208df5ed56f65d4
  16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
  17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
  18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON