Evidence row 425445

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": {
      "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":"de9e5f04296bfb7490b4221bd8ca03bfb2b53fc913110a8ea9599d801c31205f","id":425445,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086110351604,"prev":417521,"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. 0xb1f0e703b75724b8fc2560ebbfd6aac607bf0642bc036041461376db15db6ed7
2. 0xef412f4cb9579b4d0e4d2aa103f21e2772efa927f49b7f6fead42e8dc6945ad7
3. 0x4e05df24307e0efee770b9fad08b8b59dc4b541dc2f652dbf6673b72632cf4a6
4. 0xfcd87e1b97baf931a9b70af2905694cd96463147877a9a7877cde5abc0158cd4
5. 0xb91ac2aa653bd01d0e75e122d97c20462cc9c79eae6d6ba890bd455a35bad686
6. 0x30fb2786a5f7293101b269ee032ab3eacd0e97f55753af69e06772a73aba6054
7. 0x29b8051a388d594cd9243aeee179aa3f84b99ccd77c0a5f745315ff49dafe325
8. 0x183a839276cf9c45f9ce61c13c84863b8d3392e8bd295f1113384ad3ec8edde6
9. 0xdf6d516c2b20b9b6d31a4ce946bdd7b4c5362f4084deac8371682a0a6288d156
10. 0x375e2b9e7d51d57cd80f1102ac234b2622613d6183cd3ee46f4328ffc28f458c
11. 0xd1a9e8a17c2c3a118d3b406bbe49f0e2c50cfd03c0e6b4125e82eb782af3a286
12. 0x2d136d228d8bf54a46835cf3532884988271b7ca1e85edf2327300bd225d178e
13. 0xf1104ea7df082465ff9df25ed29be80a0ac7c1c6b25c289b5d2e6ae5e6331952
14. 0x87cb8935612c40b569de008a9bf8218cd24a06f74a7364a1654613d972fe00ed
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4