Evidence row 526636

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": "2026-10-27T14:42:17.962Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T01:46:00.745Z"
    },
    "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":"6cb3865060c7d021df6426842919802954ca5a09f3dd55570a929a6f84a66395","id":526636,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124789889134,"prev":425445,"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. 0x295178ccc0f87de99a3ad148762e5c07e7c0a2e3f03d068b89737074ca1f25e2
2. 0xbf4d3c3d5b2be12e2fcd7d27439c657558f10ec1d4583ebe7e86a5e28a329385
3. 0x3ab6544ccac0a08be4f2511181ab101f7ae902c8937fa90f84b025bb6f8fc019
4. 0x5bed9afaf47faae0341c2b6a4ed7b5481ef46a8b8846d78be3175a98523ab2d0
5. 0x0bb3cd2632a9f207ea86b9328012007497edb2b15f3c26973c07086140f72cf1
6. 0xb2531eddaebd0c14b60c842a4af50a01480526f28e15ac863627b12fcb239542
7. 0x6a96820d66e274d270207d43685abe5ac2cae3c2ec580ddf50681b645c063c74
8. 0x21e5e01541f8432a4e32b73556b13ca70a5850ebf5f2274a60dd8e6f501b9f54
9. 0x6a3b7b01fd91fd7830f8e162967c33aaa576c842a9e880a37b94d321f6aedd48
10. 0x9a20ca0b3dcc5486368012c7eb69b5df7e62d4d019646dad58fe4cf6f87499ae
11. 0x64977be4349e1af29930fcfd7d89ebbb219bc4a1a076ecb37395cda952cbeb6b
12. 0x53be2d72842ed384672ee78d06cbad599558474b78db9065a3b26f87d53522fa
13. 0x28be2f2303fcac4decdb6323b0f4ee8f8a31038beb758eaafc604a98626292e4
14. 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4