Evidence row 60776

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://afriref.dev/v1/jobs/charge-sale/certified"
    ]
  ],
  "name": "Afriref - Africa reference data",
  "owner_address": "0x1f0409ccd20a2fb497d4decef4e17e9d0688fea6",
  "raw": {
    "accepts": [
      {
        "amount": "750000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1F0409ccD20A2fb497d4DeCeF4E17e9d0688FeA6",
        "scheme": "exact"
      }
    ],
    "description": "Charge this sale, certified: the charge-this-sale dossier plus an Ed25519-signed certified extract of the governing VAT rate (source fingerprint, last confirmed) for filing. Refused free if uncertifiable.",
    "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": "2026-10-19T18:01:44.361Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-19T18:01:43.236Z"
    },
    "resource": "https://afriref.dev/v1/jobs/charge-sale/certified",
    "serviceName": "Afriref - Africa reference data",
    "tags": [
      "vat",
      "invoice",
      "certified",
      "cross-border"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Charge this sale, certified: the charge-this-sale dossier plus an Ed25519-signed certified extract of the governing VAT rate (source fingerprint, last confirmed) for filing. Refused free if uncertifiable."
}

What the leaf hashes

{"body":"4c495cfa434932b3b965aab1fdd725c95441e54fed3563d38e04ebe57bc7f0f6","id":60776,"kind":"listing","method":"baseline/1","observed_us":1793025449300084,"prev":null,"subject":"x402_bazaar:https://afriref.dev/v1/jobs/charge-sale/certified","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. 0x5337f8f4dcf0477c868faaf33b85d52b09255a8184ced24f98c7ba59c527b920
2. 0x8a20765e6ca6724377a3d7ed4a52027f8d72c3a8d9e39e0cfc69b43d8c428395
3. 0x6c4ce5509b1247ed942d901ba509147a48e355c6e29de3b2b88a5b5c4de99260
4. 0xcd92979cfce05cbc75ebcf98cd913554708582138d101aada097bf0cf2c8a5fb
5. 0xeaffa74796f0213c9e80e57c0372faaa1868caf70ed353147c2a40a4fb655221
6. 0x3fb4a6353af947586d29a9eb7fdd12a6d84c871c591a1ae65e93da15659d4265
7. 0xd2772320b99773487cd340f1c2054090557234b7241917941d76dc292c21d8f5
8. 0xcdf40c445cc95863f08be7007ded1e4e4c4a8beba412e4cfde9dd37cd706a9cc
9. 0x707cd63ec08491d361ce9df43c10a73cfe23cf386ca2533a2d986ce81e0b98af
10. 0x72bd13c090ca80e7870affede013ba3445a9ce90177c8d0abe389b26f526682c
11. 0x11ae5fc5d08fb7b25beace35e67656980e21edfc94e809110b5b9ecae306b6c8
12. 0x94dd4ed7cf198df741ccda83eacc422aadb31119fc6e84c4a6d2f023453b7960
13. 0xd830c52e1e8095e014510110592485afcb02b9c9a36f85653e4891a8de941246
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae