Evidence row 298735

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://asin402.com/api/fba-profit"
    ]
  ],
  "name": "ASIN402",
  "owner_address": "0x820bb89345d372288c77c65d70b6ca3db395c191",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x820bb89345d372288C77c65d70b6CA3dB395C191",
        "scheme": "exact"
      }
    ],
    "description": "Amazon FBA profit calculator. Referral fee, FBA fulfillment fee, net profit, margin, ROI, break-even cost and max cost for 30% ROI for selling this ASIN via FBA.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "asin": "0735211299",
              "cost": 4.5,
              "shipping": 0.8
            },
            "type": "http"
          },
          "output": {
            "example": {
              "amazon_is_seller": false,
              "asin": "0735211299",
              "break_even_landed_cost": 16.12,
              "currency": "USD",
              "data_as_of": "2026-10-26T18:40:00.000Z",
              "fba_fee_source": "marketplace_data",
              "fba_fulfillment_fee": 5.12,
              "landed_cost": 5.3,
              "margin_pct": 43.3,
              "marketplace": "us",
              "max_landed_cost_for_30pct_roi": 12.4,
              "net_profit": 10.82,
              "note": "Excludes storage fees, inbound placement fees, returns and taxes.",
              "referral_fee": 3.75,
              "referral_fee_pct": 15,
              "roi_pct": 204.2,
              "sell_price": 24.99,
              "title": "Atomic Habits: An Easy & Proven Way to Build Good Habits & Break Bad Ones"
            },
            "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"
                    },
                    "cost": {
                      "description": "Your unit cost of goods",
                      "type": "number"
                    },
                    "domain": {
                      "description": "Marketplace: us, uk, de, fr, jp, ca, it, es, in, mx, br. Default us",
                      "type": "string"
                    },
                    "price": {
                      "description": "Override the sell price (defaults to current buy box)",
                      "type": "number"
                    },
                    "shipping": {
                      "description": "Inbound shipping per unit",
                      "type": "number"
                    }
                  },
                  "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"
                    },
                    "break_even_landed_cost": {
                      "type": "number"
                    },
                    "currency": {
                      "type": "string"
                    },
                    "data_as_of": {
                      "type": "string"
                    },
                    "fba_fee_source": {
                      "type": "string"
                    },
                    "fba_fulfillment_fee": {
                      "type": "number"
                    },
                    "landed_cost": {
                      "type": "number"
                    },
                    "margin_pct": {
                      "type": "number"
                    },
                    "marketplace": {
                      "type": "string"
                    },
                    "max_landed_cost_for_30pct_roi": {
                      "type": "number"
                    },
                    "net_profit": {
                      "type": "number"
                    },
                    "note": {
                      "type": "string"
                    },
                    "referral_fee": {
                      "type": "number"
                    },
                    "referral_fee_pct": {
                      "type": "integer"
                    },
                    "roi_pct": {
                      "type": "number"
                    },
                    "sell_price": {
                      "type": "number"
                    },
                    "title": {
                      "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": "2026-10-26T20:39:21.629Z",
    "quality": {
      "lastCalledAt": "2026-10-26T20:39:21.629Z"
    },
    "resource": "https://asin402.com/api/fba-profit",
    "serviceName": "ASIN402",
    "tags": [
      "amazon",
      "ecommerce",
      "product-data",
      "price-history",
      "fba"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Amazon FBA profit calculator. Referral fee, FBA fulfillment fee, net profit, margin, ROI, break-even cost and max cost for 30% ROI for selling this ASIN via FBA."
}

What the leaf hashes

{"body":"133acc449f9320fcd071fe9bab119c73624d132141e8a775631a0740c85a044d","id":298735,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793052598367079,"prev":null,"subject":"x402_bazaar:https://asin402.com/api/fba-profit","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xe25260cdeb6a312634ee4c33179a3fca8bc4bcf8b0bbcc16dd1a10abe24575fa
2. 0x8a4d1ad93100d86d51dea7f9568ce10df1621fa9705bf508d80ce6fd4ccff289
3. 0x261a5eec3061751b5050aaa830bfb4a0b307f388fe98f925651e4a0ef620106e
4. 0xb0e30c5ad87adbab82e3ee078a11c12a6d1201652e242608f661c108ab1b929d
5. 0x78eb3da8b66e009f9b4f24b7279c2e70fe54f5c43de423c998672f84c47b175d
6. 0x060bb2e1eae32f3ee32154eeb690c01d40bec224b920bb2ae9f05eb52fc191a1
7. 0xcee7bbd7fb962776d3ea1e093e1ddd0edab9a581a16abb6c27f4a77b850eeb04
8. 0xd0d747de398e9060d8396137fe5f31e01fe2b7466ffd30b786f11f2d65f8d5f3
9. 0xa5fc2ea4177611a28b7eae6ce407b1a403bfafd3c234c31185c77ef06d4b1ceb
10. 0x763ea9329088103e758b19f76ca53e55082e397d207fb68c791899293a6883a7
11. 0xdf3f95c9d849961694a4ee89abdfac5cbfb97e2ba08a6ad3eefe16691598b4f5
12. 0x8e135936797442c4eea61915f2c9f8f6df06e1322204cd0e6986ada3e54c77cc
13. 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae