Evidence row 417521

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://asin402.com/api/data/category"
    ]
  ],
  "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 category details. Name, parent, children, product count and sales-rank thresholds for category IDs. 1 credit per category; parents=1 adds the parent tree.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "category": "3375251",
              "parents": 1
            },
            "type": "http"
          },
          "output": {
            "example": {
              "_meta": {
                "cached": false,
                "marketplace_domain_id": 1,
                "price_paid": "$0.005"
              },
              "categories": {
                "3375251": {
                  "catId": 3375251,
                  "name": "Water Bottles"
                }
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "category": {
                      "description": "Category ID or comma-separated list (up to 10). 0 = all root categories.",
                      "type": "string"
                    },
                    "domain": {
                      "description": "Amazon marketplace: us, uk, de, fr, jp, ca, it, es, in, mx, br. Default us.",
                      "type": "string"
                    },
                    "parents": {
                      "description": "1 = include the full parent tree. +1 credit per category.",
                      "enum": [
                        0,
                        1
                      ],
                      "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"
                    },
                    "categories": {
                      "properties": {
                        "3375251": {
                          "properties": {
                            "catId": {
                              "type": "integer"
                            },
                            "name": {
                              "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": "2026-10-27T01:46:00.859Z",
    "quality": {
      "lastCalledAt": "2026-10-27T01:46:00.859Z"
    },
    "resource": "https://asin402.com/api/data/category",
    "serviceName": "ASIN402",
    "tags": [
      "amazon",
      "ecommerce",
      "product-data",
      "price-history",
      "fba"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Amazon category details. Name, parent, children, product count and sales-rank thresholds for category IDs. 1 credit per category; parents=1 adds the parent tree."
}

What the leaf hashes

{"body":"036d89def129b043633a27f78e412109fe3c821607bdb1aca33655399d649bcc","id":417521,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080849471254,"prev":null,"subject":"x402_bazaar:https://asin402.com/api/data/category","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. 0xde800f852d12d8cbe4049a8e3e3c7b04a7a9b07a9caa7d9ae1ce3c9ad9c73913
2. 0x19224bdad98c6af68497ca34d2b529de7f968326e35e3b1f54828a68a6552372
3. 0x3207b57e7243cf15a1250e403933cec2ec76b2866211fd93ff16e43aab9842cb
4. 0x1960f458f1ad80786bca3f71ab2f2bef86affc92e44cebd3ae73b0040073af08
5. 0xe234442ab1cfc3831da0523ff4de4b02201d4210d25cb59adf01aba10ed4f96c
6. 0x5ff475947bf8008e4249a04e491f64362e63bf585e6d88b73cd6addac5ac66ab
7. 0x94268d7b018f50b0952704ec16d4a887d3610e98616073868b3b56dfb53a8ac3
8. 0x84465b30790588305a3108130699d29db484f6f3786660751c7963f46bac2ca0
9. 0x814215e60f80a3f81be8cb19e87ac30f0d2da7ab3356877dfd67dbfef2a70dbe
10. 0x6fe27e9b06f2a876722a46c0f1b30d41e92740f4b7cc3387ca42edc229cdc25c
11. 0x9dc2ea57a358812a7cfb149bfe14e9cee1ef97d2929a7697d6a48c8c06c3cd7c
12. 0x1269bf9fca7c16778dd2b72e0163a91a5a288ca31d13ad19673e0d6ecf6de8d5
13. 0x9f8e192630bb5fc72241bfdb0460be2fccc141b3afd0197fe2e478dc28ce82a9
14. 0xd59f3e577867f5105dd7f75598f16da8286185e426dfcdafb84e733fde2b2492
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4