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Evidence row 298704

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://asin402.com/api/product
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a119bf792cb9a95dcb836ba393f931984d3b172fda4d3a6110cb2666064d6525
Leaf
0x0a4662fe59776d6d3d3b458f916f4c109c7eb6d529720cff950bb8b440e31428

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://asin402.com/api/product"
    ]
  ],
  "name": "ASIN402",
  "owner_address": "0x820bb89345d372288c77c65d70b6ca3db395c191",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x820bb89345d372288C77c65d70b6CA3dB395C191",
        "scheme": "exact"
      }
    ],
    "description": "Amazon product snapshot. Title, brand, category, buy box / Amazon / lowest new and used price, sales rank, estimated monthly sales, rating, review count and offer count for one ASIN.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "asin": "0735211299"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "amazon_is_seller": false,
              "asin": "0735211299",
              "brand": "Avery",
              "category": "Books > Self-Help > Motivational",
              "currency": "USD",
              "data_as_of": "2026-10-26T18:40:00.000Z",
              "image": "https://m.media-amazon.com/images/I/81ANaVZk5LL.jpg",
              "marketplace": "us",
              "monthly_sold_estimate": 600,
              "new_offer_count": 7,
              "price": {
                "buy_box": 24.99,
                "new_lowest": 23.99,
                "used_lowest": 18.5
              },
              "rating": 4.6,
              "review_count": 3840,
              "sales_rank": 4210,
              "title": "Atomic Habits: An Easy & Proven Way to Build Good Habits & Break Bad Ones",
              "url": "https://www.amazon.com/dp/0735211299"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "asin": {
                      "description": "Amazon ASIN, 10 characters (books: ISBN-10)",
                      "type": "string"
                    },
                    "domain": {
                      "description": "Marketplace: us, uk, de, fr, jp, ca, it, es, in, mx, br. Default us",
                      "type": "string"
                    }
                  },
                  "required": [
                    "asin"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "amazon_is_seller": {
                      "type": "boolean"
                    },
                    "asin": {
                      "type": "string"
                    },
                    "brand": {
                      "type": "string"
                    },
                    "category": {
                      "type": "string"
                    },
                    "currency": {
                      "type": "string"
                    },
                    "data_as_of": {
                      "type": "string"
                    },
                    "image": {
                      "type": "string"
                    },
                    "marketplace": {
                      "type": "string"
                    },
                    "monthly_sold_estimate": {
                      "type": "integer"
                    },
                    "new_offer_count": {
                      "type": "integer"
                    },
                    "price": {
                      "properties": {
                        "buy_box": {
                          "type": "number"
                        },
                        "new_lowest": {
                          "type": "number"
                        },
                        "used_lowest": {
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "rating": {
                      "type": "number"
                    },
                    "review_count": {
                      "type": "integer"
                    },
                    "sales_rank": {
                      "type": "integer"
                    },
                    "title": {
                      "type": "string"
                    },
                    "url": {
                      "type": "string"
                    }
                  },
                  "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": "2026-10-26T20:46:12.247Z",
    "quality": {
      "lastCalledAt": "2026-10-26T20:39:07.963Z"
    },
    "resource": "https://asin402.com/api/product",
    "serviceName": "ASIN402",
    "tags": [
      "amazon",
      "ecommerce",
      "product-data",
      "price-history",
      "fba"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Amazon product snapshot. Title, brand, category, buy box / Amazon / lowest new and used price, sales rank, estimated monthly sales, rating, review count and offer count for one ASIN."
}

What the leaf hashes

{"body":"a119bf792cb9a95dcb836ba393f931984d3b172fda4d3a6110cb2666064d6525","id":298704,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793052598264006,"prev":null,"subject":"x402_bazaar:https://asin402.com/api/product","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x0a4681dfb5454b5814eda97ce1cfc95007c7a7dc18399e34ca9bb0232b17ae34
  2. 0x59d06fb3180ae196e7778c961592574ce755f72c76c767b15569b0b8325f1c49
  3. 0x129858302e4e76c5214768560077707760fc15f81a7a8de6c12a94c43b93f4c9
  4. 0xcce1779feec7c668ccf73d40eefc368d068524f46afddee5c46531f26a1253eb
  5. 0x9036f3fb8c30fed82977d7a18ed6e5155607ba6d969a1c5e6b7001b11c010ec8
  6. 0x418403074d23c335a1aea70462b589407fd696fe0895290e595447b08ca53071
  7. 0x764c55de715e5b16b7a471c2acbfef205c2f6cc47fab6d01f7902874d22058a3
  8. 0x144857d5062231e5f0ccdb31fd145f07e3a05f5decdef9b63c335907e87af975
  9. 0xf88e097adda8b3df9e167ac9617b23b48d33f13fbfd85f031daeddd17d64feb0
  10. 0xb0bc31ab556762b7fe858f7c949edb2e4e31297933ff02d4987fcbda94b38b0f
  11. 0x87b542db74671bce07a9c7ffa1bac70164f2e2ab234b807975c3d56a1d6139ee
  12. 0x9e12233d6ee4faeb9271b0fc3c834797517d702f44add023149f28a0809c0aaa
  13. 0xe5a836cf25a8dfc72c9e3b6a69a7561a1f61f50f9cf36707d36f6e926aa15dec
  14. 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
  15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
  16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON