Evidence row 417519

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://asin402.com/api/data/bestsellers"
    ]
  ],
  "name": "ASIN402",
  "owner_address": "0x820bb89345d372288c77c65d70b6ca3db395c191",
  "raw": {
    "accepts": [
      {
        "amount": "7000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x820bb89345d372288C77c65d70b6CA3dB395C191",
        "scheme": "exact"
      }
    ],
    "description": "Amazon best sellers list for any category, current or historical. Ordered ASIN list of best sellers in a category (up to 500,000 for root categories, 10,000 for sub-categories), ranked by current sales rank, by 30/90/180-day average rank, or for a past month. Deeper than the public Best Sellers page (top 100). Not charged if no list exists.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "category": "3375251",
              "limit": 100
            },
            "type": "http"
          },
          "output": {
            "example": {
              "_meta": {
                "cached": false,
                "marketplace_domain_id": 1,
                "price_paid": "$0.007"
              },
              "asins": [
                "B0F3GWXLTS",
                "0735211299"
              ],
              "category": "3375251",
              "total": 2
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "category": {
                      "description": "Category node ID, or a product group name such as Beauty. Find IDs with /api/data/category-search.",
                      "type": "string"
                    },
                    "domain": {
                      "description": "Amazon marketplace: us, uk, de, fr, jp, ca, it, es, in, mx, br. Default us.",
                      "type": "string"
                    },
                    "limit": {
                      "description": "Return only the top N ASINs (does not change cost). Default 1000.",
                      "type": "integer"
                    },
                    "month": {
                      "description": "1-12, with year: monthly average rank for a past month (last 36 months).",
                      "type": "integer"
                    },
                    "range": {
                      "description": "0 = current rank (default), or 30/90/180-day average rank.",
                      "enum": [
                        0,
                        30,
                        90,
                        180
                      ],
                      "type": "integer"
                    },
                    "sublist": {
                      "description": "1 = rank by sub-category instead of main category.",
                      "enum": [
                        0,
                        1
                      ],
                      "type": "integer"
                    },
                    "variations": {
                      "description": "1 = all variations, 0 = one per parent (default).",
                      "enum": [
                        0,
                        1
                      ],
                      "type": "integer"
                    },
                    "year": {
                      "description": "4-digit year, with month.",
                      "type": "integer"
                    }
                  },
                  "required": [
                    "category"
                  ],
                  "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"
                    },
                    "asins": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "category": {
                      "type": "string"
                    },
                    "total": {
                      "type": "integer"
                    }
                  },
                  "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": "2026-10-27T01:46:12.567Z",
    "quality": {
      "lastCalledAt": "2026-10-27T01:46:12.567Z"
    },
    "resource": "https://asin402.com/api/data/bestsellers",
    "serviceName": "ASIN402",
    "tags": [
      "amazon",
      "ecommerce",
      "product-data",
      "price-history",
      "fba"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Amazon best sellers list for any category, current or historical. Ordered ASIN list of best sellers in a category (up to 500,000 for root categories, 10,000 for sub-categories), ranked by current sales rank, by 30/90/180-day average rank, or for a past month. Deeper than the public Best Sellers page (top 100). Not charged if no list exists."
}

What the leaf hashes

{"body":"1b169978cf570cec20d98984d1c5925a1417544fd1bbdb901db091ec69c59a23","id":417519,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080849463812,"prev":null,"subject":"x402_bazaar:https://asin402.com/api/data/bestsellers","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. 0x6f551ecb6260f8ef6b5f15a146e6356c20350ce7b0b5eb8518f321b0d27f176c
2. 0x82d7f5b3bbb5621658b785440b111f4632630d8075911231385728230f9d3644
3. 0xaad9887d4c16967e1dc491ff6dea6e28e7710f02f3a73ed4524800b354738713
4. 0x7032446a050946ee28e53170cbd636d101a2e4cfe2ed2d7858f41c6fc7ce9ae0
5. 0x89e793e5a0ecf39e73fb1789f4d109bf32669ba453860f87bd7984bb75d4c5a7
6. 0x5bae4029258ee92e7a9f749c25ca28a2445579a04090695e1b48dd8a2c622fda
7. 0x5284b086aa68eb81ff95a38157d631bd400d360ade0de89e6a581ad673cd69f0
8. 0x50a6361f94595b3b9ecb36fc47442a3fe5c7ba76395eb3e35650da01d8a2f617
9. 0x0bb44ad47ac4636f36945c128048b7403591741ac06d57187397cdd52ff555be
10. 0xb150b60a146dfe8a63739c1bdbd8bcc7547b57cc62e9d3197c6e2f7e496e0e40
11. 0x040640e4e07fb01070334ad90420bc979cc6533217449ddacb84ff50f0700a8b
12. 0x346adc8ebb20cf5f1a3349535238f6ff723da69f956f4b8324d3ec6271a3c969
13. 0xa7e162a9119a39c37b96b3483510d3fd108f25676fe3a9584241629612b01526
14. 0xb2ae53d841a55a805fb4078b1a7d44e08a81aba4be3690bac3a5b4c366bf39da
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4