Evidence row 3063574

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": "2026-11-04T18:59:44.984Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-11-04T13:07:59.883Z"
    },
    "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":"e62ef4db07c81c0a8c735bc6b516599482f4df9137c5bd736faa41d6a7c107e7","id":3063574,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793822197109424,"prev":2204343,"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 2026-11-04 (424109 rows).

1. 0xad0e6b93c991e92aa41b1daf8b82170255225e29a76d3e7128d1e5a70cf40bae
2. 0x1a372b23919d2bcf167c8b0458443c70e814071c708cc44bda75cb1eb01727e3
3. 0x7ca755ad2c377f2b8bcb3e3c1c6248dd479c8189892b8f0f36760360953be5d0
4. 0xc6c6f01c5968628c5c191a20fc5c6e6a894b2f767c828e2f0b40303e20c1c3a6
5. 0x263bf8e9320cffa18d0ff77d8cfa465549c2473224cdc36e8e90baecfaa90db9
6. 0x54da752f4611f9d03f3755d7e604d77e223e051011c085c353b639927a585763
7. 0xd1c830f89194f8668668c3a27fb9dabe0aba92f527e250708a0a9f1f0ef36d86
8. 0x1421f76d1a2edc5ae081cd3ab2472602117ebb4cb4399b657102076281f5af42
9. 0x189004f9158ed63e474d3b5a064e0427c96cdd761b1f1ffd35a78ca9e672b65c
10. 0x8d5ada12c74371dee780cb909decf62f1bbbc39b25032473fd36184fde712899
11. 0xc3f53459cb5a2d99caeb1d3a56fe1767200605dc5f17f1ce12d2cbc26cfdb638
12. 0x89b5fdef39e2287cee24634e313f34866a0c08331f97f3cf8e49b72dc1eb8ed1
13. 0xfa07b0f4aaeadadeb8ee888dccc93e815793bb040f538a3aa667742b20a30157
14. 0x1088369e34916a33a3c583323d2fc4f49164cbac20b02de75926f72398b939bf
15. 0x9efef3631f971f9adf134dd93a6862b2ba10ef6a355b78514b4cc469a0d1496c
16. 0xaf6861b690de8e69efdec688615139e2df9624a773d4c6017d1ef5841d1ac724
17. 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345