Evidence row 417520

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://asin402.com/api/data/seller"
    ]
  ],
  "name": "ASIN402",
  "owner_address": "0x820bb89345d372288c77c65d70b6ca3db395c191",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x820bb89345d372288C77c65d70b6CA3dB395C191",
        "scheme": "exact"
      }
    ],
    "description": "Amazon seller information and storefront. Seller name, ratings, FBA usage and history for up to 100 sellers; optionally the seller's full storefront ASIN list. 1 credit per seller; storefront +9.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "seller": "A2L77EE7U53NWQ",
              "storefront": 1
            },
            "type": "http"
          },
          "output": {
            "example": {
              "_meta": {
                "cached": false,
                "marketplace_domain_id": 1,
                "price_paid": "$0.005"
              },
              "sellers": {
                "A2L77EE7U53NWQ": {
                  "hasFBA": true,
                  "sellerId": "A2L77EE7U53NWQ",
                  "sellerName": "Sample Seller"
                }
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "domain": {
                      "description": "Amazon marketplace: us, uk, de, fr, jp, ca, it, es, in, mx, br. Default us.",
                      "type": "string"
                    },
                    "seller": {
                      "description": "Seller ID, or comma-separated list of up to 100 (storefront allows only one).",
                      "type": "string"
                    },
                    "storefront": {
                      "description": "1 = include the seller's ASIN list (up to 100,000). +9 credits.",
                      "enum": [
                        0,
                        1
                      ],
                      "type": "integer"
                    }
                  },
                  "required": [
                    "seller"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "_meta": {
                      "properties": {
                        "cached": {
                          "type": "boolean"
                        },
                        "marketplace_domain_id": {
                          "type": "integer"
                        },
                        "price_paid": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "sellers": {
                      "properties": {
                        "A2L77EE7U53NWQ": {
                          "properties": {
                            "hasFBA": {
                              "type": "boolean"
                            },
                            "sellerId": {
                              "type": "string"
                            },
                            "sellerName": {
                              "type": "string"
                            }
                          },
                          "type": "object"
                        }
                      },
                      "type": "object"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793047148/bazaar-icons/9e69a0fc0922f515.png",
    "lastUpdated": "2026-10-27T01:46:06.272Z",
    "quality": {
      "lastCalledAt": "2026-10-27T01:46:06.272Z"
    },
    "resource": "https://asin402.com/api/data/seller",
    "serviceName": "ASIN402",
    "tags": [
      "amazon",
      "ecommerce",
      "product-data",
      "price-history",
      "fba"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Amazon seller information and storefront. Seller name, ratings, FBA usage and history for up to 100 sellers; optionally the seller's full storefront ASIN list. 1 credit per seller; storefront +9."
}

What the leaf hashes

{"body":"f1c18cb4548ab7bba390f05f7437319c8becb888aa30a4272e277eae7ddc6e6d","id":417520,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080849467310,"prev":null,"subject":"x402_bazaar:https://asin402.com/api/data/seller","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. 0x52bc5d9e4b85ee6e44d7ab7c1aca1fe318a5b805684830fdd239c07a0ff74d54
2. 0x2cfb3e9103b2614d2e7d95bf30ec8191cb319ae22b6dd2386960d10c1599d776
3. 0xd1d38f780d48cfa191cbc419cc4b6a8d53d19fb4d8c8d69bb9cdc2de0294c83b
4. 0x10ea7e865fc443cd5c88ea6a42c6a0a9fd6808d1dd46bce8c1ca15c9f76f395a
5. 0x40b980fe4f4e604da6132426a83c92dee13230fc1260851d3f1509d1b7f36d86
6. 0x525d9b1c3037b19780acfb95b46ce301e51cf3d867c80bfd89c5d5727db37170
7. 0xbfb815cb5b402b8876f1132761614fbbd84f3fde6d6607a972771c45124322b7
8. 0xdd808725b242c2d9833175bb4d896e10699e203d769a7737a20c7a7d243c5c5a
9. 0x6821dd89d79c6338ad80e340e75b37b1d847005cfa8a74cc337ef94cb8ed5f8c
10. 0xdc4d2fb9d95be236d04476a9e3b5a09d0da73d1e69554722d3ef641673401719
11. 0xc937be26deed9e9728196f150649c70fb24a172a75061bc041b65fa5eb20a3ef
12. 0xf8587b476357dd9dd2bdcf36df59b8f5ada3a7d06a3872295a01a0dd6b9e36d1
13. 0x996f3d89f9508378f3c194c9828b500725dd599c52fd040349190982338d96f2
14. 0x9ea0c6a53f80a30b6f13671109f98a000cf98e581875129f4be4b57131d06364
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4