Evidence row 2228384

Observed 2 Nov 2026, 19:23 UTC, by sync.x402_bazaar/1.

Kind: listing
About: source_record x402_bazaar:https://ostland.halowerk.com/v1/ro-water-wetland-share
Recorded: 2 Nov 2026, 19:23 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 48480cb057308e65543a9d849917cdd29a53d5335a78157d9739e407ad6ae6be
Leaf: 0x14c6de91b0c8d8bd0c7583ed3cd3576f9337916c2f28da56cf3c28e2798719e8

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://ostland.halowerk.com/v1/ro-water-wetland-share"
    ]
  ],
  "name": "HALOWERK Eastern Land",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "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": "3000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "6pXwvPgqduMSx33GP8jiVCanpUhZZiPPyG784mNJ7q1Z",
        "scheme": "exact"
      }
    ],
    "description": "Combined share of permanent water, herbaceous wetland and mangrove classes. The coordinate is validated against the Natural Earth boundary for Romania; results outside it are rejected before payment.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "latitude": 44.4268,
              "longitude": 26.1025
            },
            "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": "2026-11-02T17:19:57.867Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T17:19:57.598Z"
    },
    "resource": "https://ostland.halowerk.com/v1/ro-water-wetland-share",
    "serviceName": "HALOWERK Eastern Land",
    "tags": [
      "land",
      "europe",
      "country",
      "ro",
      "water-wetland-share"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Combined share of permanent water, herbaceous wetland and mangrove classes. The coordinate is validated against the Natural Earth boundary for Romania; results outside it are rejected before payment."
}

What the leaf hashes

{"body":"48480cb057308e65543a9d849917cdd29a53d5335a78157d9739e407ad6ae6be","id":2228384,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647421682443,"prev":null,"subject":"x402_bazaar:https://ostland.halowerk.com/v1/ro-water-wetland-share","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).
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Day root: 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained: 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published: On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON