Evidence row 117710

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://opendata402.com/v1/nl/collection-costs"
    ]
  ],
  "name": "opendata402",
  "owner_address": "0x295aa6c5a3460a0f8755823c8ee7bbc7caf79fb1",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 30,
        "network": "eip155:8453",
        "payTo": "0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 30,
        "network": "eip155:137",
        "payTo": "0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 30,
        "network": "eip155:42161",
        "payTo": "0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1",
        "scheme": "exact"
      }
    ],
    "description": "Dutch statutory extrajudicial collection costs (buitengerechtelijke incassokosten, WIK scale, Besluit vergoeding voor buitengerechtelijke incassokosten art. 2): 15/10/5/1/0.5% over the principal in brackets, minimum EUR 40, maximum EUR 6,775, optional 21% VAT when the creditor cannot reclaim VAT. Use it to compute the legally allowed collection fee on a Dutch claim.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "amount": "3500",
              "vat": "false"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "brackets": [
                {
                  "amount": 375,
                  "bracket": "0-2500",
                  "pct": 15
                },
                {
                  "amount": 100,
                  "bracket": "2500-5000",
                  "pct": 10
                }
              ],
              "fee": 475,
              "principal": 3500,
              "total_fee": 475,
              "vat": 0
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "amount": {
                      "description": "Principal in EUR.",
                      "pattern": "^\\d{1,9}(\\.\\d{1,2})?$",
                      "type": "string"
                    },
                    "vat": {
                      "description": "Add 21% VAT (only if the creditor cannot reclaim VAT and declares so).",
                      "enum": [
                        "true",
                        "false"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "amount"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T15:29:01.138Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-25T15:29:00.769Z"
    },
    "resource": "https://opendata402.com/v1/nl/collection-costs",
    "serviceName": "opendata402",
    "tags": [
      "netherlands",
      "legal",
      "debt-collection",
      "fees",
      "wik"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Dutch statutory extrajudicial collection costs (buitengerechtelijke incassokosten, WIK scale, Besluit vergoeding voor buitengerechtelijke incassokosten art. 2): 15/10/5/1/0.5% over the principal in brackets, minimum EUR 40, maximum EUR 6,775, optional 21% VAT when the creditor cannot reclaim VAT. Use it to compute the legally allowed collection fee on a Dutch claim."
}

What the leaf hashes

{"body":"4e5fdc8b1b68e0a275d861f9690b03c2987ba70b06236a6bf16a64c56c54dc4f","id":117710,"kind":"listing","method":"baseline/1","observed_us":1793025611808104,"prev":null,"subject":"x402_bazaar:https://opendata402.com/v1/nl/collection-costs","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xc25d34df322ceca30c5d8ced4a28ae5172151217d6efad362e5dc09e7a3a5388
2. 0x4d161fafd7dc80da4da5260e8493defbed4e66ee975c2f25fcea0885e60fd1fc
3. 0x556c69da8d13ee4b365142ee244e607a162163b62ea58b9aec16f6cf01d72b03
4. 0x19da486f622b067c2ec15c74c6b0ff66f12a257385588a1369c5c06df2359bbc
5. 0xf25a140f3dee882b0c9d05d96a7fed8d90ac145ef3771baae8579a794fafb227
6. 0x64b42eca78d49d34b3f08ebfea4d45870cb3cfc5098a4c3e957b6a1ddf18fcb0
7. 0xab69acd1cb1760c691e2f91fe9d272a76fcda0d51d686083e651a9f458891d90
8. 0x5c6483d4bda163dffb0721d47bd7c18119310f313343f070ee1aeb79ef9605c9
9. 0xafd5abbd72ba12c028d5cd59e21ef6bbfeb3ef72a15c2e7ad8167b5a77eea34b
10. 0x02e075ca15ff7f2ea01604141daba61c457580d75ee0424e4d2efe53abe08ad3
11. 0xeab236b8d15592c4f51859e02cc12d6b7223fc6321fdb9fa89e4d5e6edc3470b
12. 0x111576180a2fecebcaf560e6b72ed8cefedaacb8c607539ece417b7465831f66
13. 0x96eae331a78c1c9248bc58130ff83d31b884760a51fe7191de2a39105ae7c072
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae