Evidence row 70230

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.wsystem.dev/verify"
    ]
  ],
  "name": "api.wsystem.dev/verify",
  "owner_address": "0xfbbe4924a9d36e1de2b90cf4f8ee6e03f978714c",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xfbbe4924a9d36e1de2b90cf4f8ee6e03f978714c",
        "scheme": "exact"
      }
    ],
    "description": "EU VAT number validation via official VIES (all 27 EU states + XI): valid/invalid, name, address, consultation (proof) number",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "vat": "IE6388047V"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "address": "3RD FLOOR, GORDON HOUSE, BARROW STREET, DUBLIN 4",
              "consultation_number": "WAPIAAAAaE_hpYRy",
              "name": "GOOGLE IRELAND LIMITED",
              "status": "valid",
              "valid": true,
              "vat": "IE6388047V"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "vat": {
                      "description": "EU VAT ID with country prefix",
                      "type": "string"
                    }
                  },
                  "required": [
                    "vat"
                  ],
                  "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": "2026-10-17T12:42:07.425Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-17T12:42:07.167Z"
    },
    "resource": "https://api.wsystem.dev/verify",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "EU VAT number validation via official VIES (all 27 EU states + XI): valid/invalid, name, address, consultation (proof) number"
}

What the leaf hashes

{"body":"4851f402a06ef83e4dde383270664bede6518bf3f2558ddb8a6d0f8ebc66c0a0","id":70230,"kind":"listing","method":"baseline/1","observed_us":1793025480032639,"prev":null,"subject":"x402_bazaar:https://api.wsystem.dev/verify","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. 0x200edc254b6259e06213e1e6e08c7e3b8ff048285fa54aae38dfa37a83653c74
2. 0x8044e8a0c7d7e75a47f03b5fc2191f58607814b56c3a02a493584eb928404446
3. 0xa3a5bc88b462fb65a2a9efa0a80069bb4dd04d5c43ada554c3ceafdb064724c3
4. 0x5ab3eb23c734a8c2642dc9fc10850bfccf12b79b4f7731c817ca6d83caca687e
5. 0x54c52bf99306072b79354adc8b2e2596b5fc0d044bb37c413f85251bc073223b
6. 0x170cdaeef9b7c2a575efecd97838d2b7c1a7902d1d808007d90967a108e348fa
7. 0x5bc257c12259959f4cf7d7962dc51ffa97bd77d164574691fc25f0a6565b3d71
8. 0x5446b0fc18665aaf73645f4834a2597733dc019017486de04465d0869bf7abbd
9. 0xcc1ea3abb245d9758b8a1a4074ab328fa6379c5aa486f73711637a27a4a12598
10. 0xcb356795c2f871f10302e99d7886dd86ab753d56286c29b6b548252764b8cdca
11. 0xbfd7c325ad90588d62856113d1c0ad99de5d67958ff0f672c892809fd668fffe
12. 0xbd94b9d1458901cf513783d5d2bc701e3babbcdf9219e07ee2be8fb2c897060f
13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae