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Evidence row 2228372

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://ostland.halowerk.com/v1/bg-soil-texture
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
586225fd5a91ae0c2532430a85c33324f9c47e1046fb75fe8c061a6eedf7ce88
Leaf
0x8847d7f5dd601e71417e624360926eca810a22d2af1ae297b512df348c380dd5

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://ostland.halowerk.com/v1/bg-soil-texture"
    ]
  ],
  "name": "HALOWERK Eastern Land",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "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": "4000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "6pXwvPgqduMSx33GP8jiVCanpUhZZiPPyG784mNJ7q1Z",
        "scheme": "exact"
      }
    ],
    "description": "USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Natural Earth boundary for Bulgaria; results outside it are rejected before payment.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "latitude": 42.6977,
              "longitude": 23.3219
            },
            "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": "2026-11-02T17:23:20.034Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T17:23:19.802Z"
    },
    "resource": "https://ostland.halowerk.com/v1/bg-soil-texture",
    "serviceName": "HALOWERK Eastern Land",
    "tags": [
      "land",
      "europe",
      "country",
      "bg",
      "soil-texture"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Natural Earth boundary for Bulgaria; results outside it are rejected before payment."
}

What the leaf hashes

{"body":"586225fd5a91ae0c2532430a85c33324f9c47e1046fb75fe8c061a6eedf7ce88","id":2228372,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647421645419,"prev":null,"subject":"x402_bazaar:https://ostland.halowerk.com/v1/bg-soil-texture","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. 0x884786c55a7f8559ad5ab8d7ab2cacaad283a0d7ec08cc6a897c41ce56446df6
  2. 0x5845c60dedb8c3b747b40ec44f119cbe628b74d6a606f64505b35141426d91da
  3. 0xe12eeff51372bd4dbedc667dda82eb13b10e0a63a5ec82b45851b0c4fb8e868d
  4. 0xa954dedaf090a76a29d0e212fa6228eb36a92517d41d92d2917bf94a525537db
  5. 0xa5e73cfb1631cdff36bc58d8e80b8d9b2ffed4a26c154b21be140c6d995bc0c2
  6. 0xa3ea6f17049f9ada13a903319de8e031f69fbcbf36331d3c7b8bc02a18143507
  7. 0x4f9c719d8bea75bebe91c1e5472985c287a347786dc9800225b1dc8091cb8c3f
  8. 0x8061ee3fd1e67ab2d123049e1a3bb6745085e5d6c3146a4a2075f7f0290ce57e
  9. 0x0b24af924a57918b1c42ea76eda43b0d103c843daa81928b3f1b5baee9ec42db
  10. 0x986d338da992854bf3ad8ad50e8c63fd10f877dc5bb71bdf39cd8d6dffb345a4
  11. 0xc9ddd9397a09a790432e5bc66a52fdda7d05db98411d2b03e287fee2f371b52d
  12. 0xb29458b26be0efcbcc070d6949659b739465d717f9b08a7e55e19441848f2850
  13. 0x650762fd3ea664db9c82e9fa57a70645b039ff3d3dda93972e6da6c3b1355d26
  14. 0x45296e5ab7be6d8163e528d05039d4c685fc8962fc80b797c1d68574b10b444c
  15. 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
  16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
  17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON