Evidence row 298734

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://asin402.com/api/sell-score"
    ]
  ],
  "name": "ASIN402",
  "owner_address": "0x820bb89345d372288c77c65d70b6ca3db395c191",
  "raw": {
    "accepts": [
      {
        "amount": "100000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x820bb89345d372288C77c65d70b6CA3dB395C191",
        "scheme": "exact"
      }
    ],
    "description": "Should I sell this product? Opportunity score 0-100. Scores a product as a selling opportunity from demand, competition, Amazon's presence, price stability, review moat and price fit, with plain-language risk flags.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "asin": "0735211299"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asin": "0735211299",
              "components": {
                "amazon_penalty": 0,
                "competition": 58,
                "demand": 93,
                "price_fit": 90,
                "price_stability": 86,
                "review_moat": 10
              },
              "data_as_of": "2026-10-26T18:40:00.000Z",
              "disclaimer": "Heuristic score from historical marketplace data. Not financial advice.",
              "flags": [],
              "marketplace": "us",
              "rating": "strong",
              "score": 72,
              "signals": {
                "amazon_is_seller": false,
                "avg_90d": 28.99,
                "current_price": 24.99,
                "estimated_monthly_sales": 600,
                "new_offers": 7,
                "out_of_stock_pct_90d": 4,
                "rating": 4.6,
                "review_count": 3840,
                "sales_rank": 4210
              },
              "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"
                    },
                    "domain": {
                      "description": "Marketplace: us, uk, de, fr, jp, ca, it, es, in, mx, br. Default us",
                      "type": "string"
                    }
                  },
                  "required": [
                    "asin"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asin": {
                      "type": "string"
                    },
                    "components": {
                      "properties": {
                        "amazon_penalty": {
                          "type": "integer"
                        },
                        "competition": {
                          "type": "integer"
                        },
                        "demand": {
                          "type": "integer"
                        },
                        "price_fit": {
                          "type": "integer"
                        },
                        "price_stability": {
                          "type": "integer"
                        },
                        "review_moat": {
                          "type": "integer"
                        }
                      },
                      "type": "object"
                    },
                    "data_as_of": {
                      "type": "string"
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "flags": {
                      "type": "array"
                    },
                    "marketplace": {
                      "type": "string"
                    },
                    "rating": {
                      "type": "string"
                    },
                    "score": {
                      "type": "integer"
                    },
                    "signals": {
                      "properties": {
                        "amazon_is_seller": {
                          "type": "boolean"
                        },
                        "avg_90d": {
                          "type": "number"
                        },
                        "current_price": {
                          "type": "number"
                        },
                        "estimated_monthly_sales": {
                          "type": "integer"
                        },
                        "new_offers": {
                          "type": "integer"
                        },
                        "out_of_stock_pct_90d": {
                          "type": "integer"
                        },
                        "rating": {
                          "type": "number"
                        },
                        "review_count": {
                          "type": "integer"
                        },
                        "sales_rank": {
                          "type": "integer"
                        }
                      },
                      "type": "object"
                    },
                    "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": "2026-10-26T20:39:28.21Z",
    "quality": {
      "lastCalledAt": "2026-10-26T20:39:28.21Z"
    },
    "resource": "https://asin402.com/api/sell-score",
    "serviceName": "ASIN402",
    "tags": [
      "amazon",
      "ecommerce",
      "product-data",
      "price-history",
      "fba"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Should I sell this product? Opportunity score 0-100. Scores a product as a selling opportunity from demand, competition, Amazon's presence, price stability, review moat and price fit, with plain-language risk flags."
}

What the leaf hashes

{"body":"e3d749754d4f045721b2053acc8c3c4bf802c9862dc8edbbf1a959d9c05dee97","id":298734,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793052598363982,"prev":null,"subject":"x402_bazaar:https://asin402.com/api/sell-score","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. 0x1ed1171caceb1967e124f938f766dcf71aa5d377ccfe2eae090772bf78ccd4f2
2. 0xff7f6a58186fa2924483b9a16b2785e5ed0f8bce5f875eb50da2d298a8c02312
3. 0x90a0c59af7b0bf0f9ef5f8efa4f8201e2e9be81cfd22b656fdf12a9df180aa93
4. 0x2bbd3a9930f015f173e879846ec1e35740534bab50de20cb840a2d2dc0ed457d
5. 0x9e614ffd12a194b6f2e530cc232cad084ba8fd8efaae670c91e6fa45db691c25
6. 0x681e6aa9c4e492b8c68764fc45cc3c90d8267bcf8c536fe71a88f75d7c084cff
7. 0x27dca722644c04eb56da568876588b5fd760ec1ce1740d4e1fa981bcd5d6096a
8. 0x8eef7520d21bceee4bbe865cc3068059931f5546196b12be0dc9d898078833e1
9. 0x5ea005b2aad9c8979e952e284f06300a28be249aa66535acf2907a3a6fa36ae0
10. 0xef610ca79dfed4e1e00208e978a3a887d70d47190be682de5aa9a473137a32fe
11. 0x3e9f4dee30700b7fef683685ce6c4e483a5869ff14413228fe9abfbaa1a7cd3c
12. 0xbd94b9d1458901cf513783d5d2bc701e3babbcdf9219e07ee2be8fb2c897060f
13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae