Evidence row 3762103

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://atlantikland.halowerk.com/v1/nl-solar-orientation"
    ]
  ],
  "name": "HALOWERK Atlantic 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 Netherlands; results outside it are rejected before payment.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "latitude": 52.3676,
              "longitude": 4.9041
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "authoritative_status": "preliminary_non_binding",
              "category": "country",
              "charged": false,
              "checked_at": "2026-10-23T02:05:24.197Z",
              "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": "2026-10-23T02:05:24.197Z",
              "result": "measurement_available",
              "risk_level": "not_applicable",
              "service": "nl-solar-orientation",
              "service_id": "eli-0333",
              "status": "success",
              "summary": "Netherlands: Solar orientation index: so"
            },
            "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": "2026-11-04T18:59:48.461Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-11-04T18:59:47.881Z"
    },
    "resource": "https://atlantikland.halowerk.com/v1/nl-solar-orientation",
    "serviceName": "HALOWERK Atlantic Land",
    "tags": [
      "land",
      "europe",
      "country",
      "nl",
      "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 Netherlands; results outside it are rejected before payment."
}

What the leaf hashes

{"body":"7fb3c91c633c218157b145660a8b2712a65beb0abc119af919d18d7dd1228b4e","id":3762103,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793996471449894,"prev":3063730,"subject":"x402_bazaar:https://atlantikland.halowerk.com/v1/nl-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 2026-11-06 (303443 rows).

1. 0x9f89343b52e499fefbb7494125c3d0846ef0e55650f255cff78113e9e94540d4
2. 0x7cd19222eb781fa5f82ab63de82fedbd5192374d3cd8e42eff31d129857b9db9
3. 0x097de9032fb5b3ec146479c83e9fe8f453fed0d79663fa867aa765c3acb58e10
4. 0x812159aeb4fed38eec23e9f64ddd85549a6228f305ab64aa24f6d28f5fefc4e6
5. 0x646a9c6f1529617ac3e0502f813131d606e9cda2cb1d87be7bd6bed6f4363e2f
6. 0xb45418b8df4ac1c78a50ac82023cc98f650a40fa0a7fd92256cd561823e9a420
7. 0xa11f16be1fad4d9b9e4a7710915048881d77bc0da8ac29fb4d35476ad8dbbfde
8. 0x706b74e679bf2e9a2df21d0f4951c72c83c9b73c16a727c71ad0f343d250a0f0
9. 0x520beb3a78f6159051818ef37b738590afb03b3178761a5debf2ff765bc658d9
10. 0xd286f7457a096277dd7c22986c96b4c778dcd403aae76b84a64e2b7442a0f422
11. 0x64d9b02b9d6ff75397dad6198dded1202e966501d6832eb6c3a9452b0ad161a0
12. 0x79c9b6606835184e47ff67aa527d55a508d91bc7fec9edd887fa24a45f7fdff8
13. 0xeba58732869624de8ad69d27c52fb854ef5dbc382a5c87153e289214c07f17e0
14. 0xcd45cd6804cf7e7d1e6909626f817ebe91b3e48cfef9aaae97c8bc90ff284ab8
15. 0xd0ea1c67876a6aaf3607745d3124ddfa46a7db70cb95b8b0331a1db5672bf932
16. 0x15b694ad919111e31e8112077ed1645b2f3c0d6f1433eaac3aaf1fff1c7c8aa5
17. 0xe98c6c6b56a21a2fc4c1edfe2563812e690a6a4336d11aef772ac1799d1ee7ca
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1