Evidence row 2204343

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://baltikum.halowerk.com/v1/pl-solar-orientation"
    ]
  ],
  "name": "HALOWERK Baltic 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": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "6pXwvPgqduMSx33GP8jiVCanpUhZZiPPyG784mNJ7q1Z",
        "scheme": "exact"
      }
    ],
    "description": "South-facing slope orientation index derived from aspect and slope. The coordinate is validated against the Natural Earth boundary for Poland; results outside it are rejected before payment.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "latitude": 52.2297,
              "longitude": 21.0122
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "authoritative_status": "preliminary_non_binding",
              "category": "country",
              "charged": false,
              "checked_at": "2026-10-23T02:05:21.847Z",
              "confidence": 0.87,
              "confidence_method": "Conservative minimum source-family basel",
              "data_date": "2015-12-31T23:59:59.000Z",
              "evidence_classification": "derived_from_open_geodata",
              "generated_at": "2026-10-23T02:05:21.847Z",
              "result": "measurement_available",
              "risk_level": "not_applicable",
              "service": "pl-solar-orientation",
              "service_id": "eli-0208",
              "status": "success",
              "summary": "Poland: Solar orientation index: source-"
            },
            "type": "json"
          }
        },
        "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"
            },
            "output": {
              "properties": {
                "example": {},
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type",
                "example"
              ],
              "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": "2026-11-02T17:19:12.263Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T17:19:12.018Z"
    },
    "resource": "https://baltikum.halowerk.com/v1/pl-solar-orientation",
    "serviceName": "HALOWERK Baltic Land",
    "tags": [
      "land",
      "europe",
      "country",
      "pl",
      "solar-orientation"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "South-facing slope orientation index derived from aspect and slope. The coordinate is validated against the Natural Earth boundary for Poland; results outside it are rejected before payment."
}

What the leaf hashes

{"body":"065cda63f1e0aca8d1b6b5b483d87fe1ee42ef4c216546d86b531a0f11d2b9c2","id":2204343,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646901045555,"prev":null,"subject":"x402_bazaar:https://baltikum.halowerk.com/v1/pl-solar-orientation","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. 0xd9a25ba47550f0fdb7f7bc394ee4dc0302efafec932a1a8197be7d77e38086a2
2. 0xb3861185509d9d081360e23795a0dc24fa2dde5f4ab732c7e6a2125c39521da8
3. 0x3a2a9c6d4805a7189923a8342e207e4baa4346582a83ab5998ea014057952765
4. 0x6d89f8d872bc8d3dc7839c77f947ad70cb6fd690913e1d6012c59c62ac785b6b
5. 0x9a3abd594dedfdf62ceae18101f34167e81d36af923f7508e8c1aebc6655e661
6. 0xb1071660c3e91121f197c8d4d5fc55f693db12b44605f3e3598aade62da2de6f
7. 0x120e640a52201e2af1480e0fb3cdf0d485ad4fd42238eeb5dfacf3bc0a96d037
8. 0x555fa410b0d41a29d5298af0b0b07bf78febce6a0b7a732b20d8d4fa1ef55386
9. 0xc0f640f2a50537a4130464bf1ebd11b3757e752b61444009f8cdc02dedfaebcc
10. 0x1ce92e0e015c0556364446b9ccb8dd98a07ddbb3a1c52c5bcbb6d50d4da1dcc7
11. 0x0fcc11efce792eaf22ce652683b3f06fd2f070091bf599b085fc1e28ae0626f0
12. 0x435cc71c6d86200fe212d967213b085a0a83df982afce4acfdcbc7d5c99e493a
13. 0xf501fcee968477faaca9a060259336a60c82a32ca56ab2da724f950f415e8b62
14. 0xaed7c1080b4ff0b1fc4f851df0f2b8b4ef86b106015aa3aaf8da39a641c41a3d
15. 0xa370e8e015a32408a8112e54e5f40a8a65e871bd52bbc6f25fbd1139f2ba5b11
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af