Evidence row 547864

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.wsystem.dev/verify/batch"
    ]
  ],
  "name": "W System",
  "owner_address": "0xfbbe4924a9d36e1de2b90cf4f8ee6e03f978714c",
  "raw": {
    "accepts": [
      {
        "amount": "100000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xfbbe4924a9d36e1de2b90cf4f8ee6e03f978714c",
        "scheme": "exact"
      }
    ],
    "description": "Batch EU VAT validation via VIES (up to 100 per request)",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "vats": [
                "DE811193231",
                "IE6388047V"
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "count": 2,
              "results": [
                {
                  "name": null,
                  "status": "valid",
                  "valid": true,
                  "vat": "DE811193231"
                },
                {
                  "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": {
                "body": {
                  "properties": {
                    "vats": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "vats"
                  ]
                },
                "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": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-20T13:19:47.618Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-20T13:19:47.239Z"
    },
    "resource": "https://api.wsystem.dev/verify/batch",
    "serviceName": "W System",
    "tags": [
      "vat",
      "e-invoice",
      "kyb",
      "sanctions",
      "peppol"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Batch EU VAT validation via VIES (up to 100 per request)"
}

What the leaf hashes

{"body":"4708d7b413f6681e62f254234f2828aadac7c28b67fc9d2bfd46abe0dc587c1f","id":547864,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133240113485,"prev":70231,"subject":"x402_bazaar:https://api.wsystem.dev/verify/batch","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x5be76d3af719bf0bb116b00566f0964b053858fa5f0fdfaf53602513714b0bf4
2. 0x4f0821ce158336edc23747bc2764c67c96164a60350d2261e3edbc8f2a8b79f0
3. 0x9a56dae60aaacd766eb78f6a6cf5d49cbb792ad99ebac3d2690a0583335001d3
4. 0x7af3cd24144705affb466a5e125332604bb6fc1429a6032165f47926223b5a5c
5. 0x9f0bd018ed8042e8688f6daf5f375747b938e0bb2b8301e7b262bcd68e0037d7
6. 0x8dd5803269fed8ae346ac74692c85674939fdbc10026c3dbf4b24877d13cd622
7. 0x2f1f5baaf8a54cd0c0f74907a78e252f3fb7456b834472258bb7e0402de1b07e
8. 0x66dd34781219c6159de5106b5de55ebddd20bbdcc4e30418516f56dd88140d72
9. 0x962b5d22886444807fbeeff56288415a23e2a285519bc9ad1f5e8d6047148e38
10. 0x1b25ae666313bff38c23b2adc99821e2ce47e2eaf0ac42e14e1df786abb0c55e
11. 0x2d219b1e0544e01cd0a0543f34de9ec53392c428e9c0deac7c16fabc7482887f
12. 0x8b6f2e00ca53627a556efa28a330329defff6f53091e97b18db21c58436307cd
13. 0x5b3213451efe1e2950dd287afaede00cc8a45dfd9721ef9b3d698bde1eeb9909
14. 0x674bc1173d39130be4d15bbfc7327f8a8af87eb251e54c8d4409c7e840b9e538
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4