Evidence row 116895

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mearef.dev/v1/jobs/charge-sale"
    ]
  ],
  "name": "Mearef - Mid-East reference data",
  "owner_address": "0x1f0409ccd20a2fb497d4decef4e17e9d0688fea6",
  "raw": {
    "accepts": [
      {
        "amount": "500000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1F0409ccD20A2fb497d4DeCeF4E17e9d0688FeA6",
        "scheme": "exact"
      }
    ],
    "description": "Charge this sale: should this invoice carry VAT, which country's, and how much - place of supply (EU, UK, South Africa rules), net/VAT/gross, registration threshold, cited. Unverified pairs refused free.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "amount": 100,
              "buyer_country": "de",
              "buyer_type": "B2C",
              "seller_country": "za"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "amount": {
                      "type": "number"
                    },
                    "amount_is": {
                      "enum": [
                        "net",
                        "gross"
                      ],
                      "type": "string"
                    },
                    "band": {
                      "description": "VAT band key, e.g. reduced",
                      "type": "string"
                    },
                    "buyer_country": {
                      "description": "Omit for single-country rate maths",
                      "type": "string"
                    },
                    "buyer_type": {
                      "enum": [
                        "B2B",
                        "B2C",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "receipt": {
                      "description": "Optional. true adds an Ed25519 answer receipt on a paid 200, included in this price. Not a certified extract.",
                      "type": "boolean"
                    },
                    "seller_country": {
                      "description": "ISO 3166-1 alpha-2",
                      "type": "string"
                    }
                  },
                  "required": [
                    "seller_country",
                    "amount"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "evidence": {
                      "type": "array"
                    },
                    "invoice": {
                      "description": "net, tax, gross, rate",
                      "type": "object"
                    },
                    "job": {
                      "type": "string"
                    },
                    "receipt": {
                      "description": "Only when receipt=true on a paid 200. kind answer_receipt. Verify at /certified/public-key.",
                      "type": "object"
                    },
                    "registration": {
                      "type": "object"
                    },
                    "status": {
                      "type": "string"
                    },
                    "verdict": {
                      "description": "charge_vat, vat_country, reason, rule",
                      "type": "object"
                    }
                  },
                  "required": [
                    "job",
                    "status",
                    "verdict",
                    "invoice",
                    "evidence"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-19T17:46:01.343Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-19T17:46:00.109Z"
    },
    "resource": "https://mearef.dev/v1/jobs/charge-sale",
    "serviceName": "Mearef - Mid-East reference data",
    "tags": [
      "vat",
      "invoice",
      "sales-tax",
      "cross-border"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Charge this sale: should this invoice carry VAT, which country's, and how much - place of supply (EU, UK, South Africa rules), net/VAT/gross, registration threshold, cited. Unverified pairs refused free."
}

What the leaf hashes

{"body":"0aa529d376256be9d7e0afd6476cd4b7dc3e02bd9ce306cf1f602a589ce4696d","id":116895,"kind":"listing","method":"baseline/1","observed_us":1793025610384713,"prev":null,"subject":"x402_bazaar:https://mearef.dev/v1/jobs/charge-sale","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. 0x0dbb21b80a76281977d5ef7fd5794bd5aa81a46f322c46fb5e37b7d0de8733ea
2. 0x1e986ed2ed07f606c96e95fc06d0b3595aedd3352bdd71a8e51cb91acbdef944
3. 0x56ab8f3bb1845401142d4aab858bdfc6b570f93703a14d02785d9a4cf57f31bc
4. 0x470992732f61a277f1453f2feeb54b710b4e613a3b061a58077e2b20cc954061
5. 0xe41571383889600f20006c2091ec71a513040cac1e4f2597ba1b7cc015b5ee6d
6. 0xe1857822667118471c4826e89b00f750f00ad7f7eaabda9e8681e5dd7b88417d
7. 0x452a7159d53d7b95109604631e75b2bc0e32773861644c60016962a4fcdf01bf
8. 0x2bf9e6c3e76457f7bf0940b3173f7892bf624688aa900d2b147fad3d403a058b
9. 0xb63e377fabcfa8dee525cf16e5292eb4bf823791d7d6cf20cfedff876058ba79
10. 0x6660c80902a0d0eb7e099a74231019f561e7aad745384cd90bc57b2aac09aef3
11. 0xce6314435eaa4c458576d2a1150a919748260a8a10f1eae96b7a8bc75ff32536
12. 0x362683225b724b8d2d652a95968c57a6f4199ed4f2ad60900fc3603492f17520
13. 0x5aefcf9e3d86e125861c0d490079969110eea8fc901ec61531bba10bb58258a1
14. 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae