Evidence row 426870

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-niche-briefs.fly.dev/v1/adcvd-risk-screener"
    ]
  ],
  "name": "AD/CVD risk screener",
  "owner_address": "0x847f54ae8ddfd71ed7bc930c1f7a73576fab03a9",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x847f54ae8dDFD71ed7bC930C1f7a73576FAb03A9",
        "scheme": "exact"
      }
    ],
    "description": "Screen product/origin against common AD/CVD order families.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "origin": "CN",
              "product": "aluminum_extrusions"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "actions": [
                "check ACCESS/CBP AD/CVD search for case no.",
                "cash deposit at entry"
              ],
              "as_of": "2026-10-25",
              "disclaimer": "Educational reference and automated checklist only; not legal advice.",
              "input": {
                "origin": "CN",
                "product": "aluminum_extrusions"
              },
              "likely_order": true,
              "risk": "high"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "origin": {
                      "description": "Origin",
                      "enum": [
                        "CN",
                        "VN",
                        "MY",
                        "TH",
                        "IN",
                        "MX"
                      ],
                      "type": "string"
                    },
                    "product": {
                      "description": "Product family",
                      "enum": [
                        "aluminum_extrusions",
                        "steel_nails",
                        "wooden_cabinets",
                        "solar_cells",
                        "quartz_surfaces",
                        "other"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "product",
                    "origin"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "properties": {
                    "actions": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "as_of": {
                      "type": "string"
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "input": {
                      "properties": {
                        "origin": {
                          "type": "string"
                        },
                        "product": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "product",
                        "origin"
                      ],
                      "type": "object"
                    },
                    "likely_order": {
                      "type": "boolean"
                    },
                    "risk": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "input",
                    "risk",
                    "likely_order",
                    "actions",
                    "disclaimer",
                    "as_of"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T02:08:38.093Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T02:08:37.925Z"
    },
    "resource": "https://x402-niche-briefs.fly.dev/v1/adcvd-risk-screener",
    "serviceName": "AD/CVD risk screener",
    "tags": [
      "supply-chain",
      "customs",
      "trade-remedy"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Screen product/origin against common AD/CVD order families."
}

What the leaf hashes

{"body":"3fb8c515957a50abb9ee89a4ce6f0b7523c8317995c9141e3cacffb59209749e","id":426870,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086313684352,"prev":409330,"subject":"x402_bazaar:https://x402-niche-briefs.fly.dev/v1/adcvd-risk-screener","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. 0x1ce3f3c0f3d5cc1bae8544a2d36494914d67e558118c22ac1d1eb58f410b8c19
2. 0xd9f54a278ea48d21fa6ba9bb93e085ba0dbbda80cdbd9c5caaebf7d80d7a9387
3. 0x32ac1edb029a1bd1eed830c882e0c224a0d4e276bea52180b103c1036b3171c9
4. 0x2186d5747823a28212cd185b8ed632dffca9f0333c605ae523681e4eaaa0f27f
5. 0xaa5dd6791cbb259a10a6973b36e8209f62332ba15d8492a822b911600aa3fae5
6. 0xc8e922472882f4496a19a82a5b3a8b4d0c6aa7e5f4677082621127764f79b0de
7. 0xad82bedd476b5b714da29b707d91b7673d257e9a6bc84f84e746f61da7380ae4
8. 0xfb9cdbe9f23b36ebe7cbda031d09671bf3960be4417398d72377bcbfcbd0d919
9. 0xa924e9ae9ef3961fb6dccd7aede3c8e042fbd9b9d7cb105bf6984471f25d01e2
10. 0x067bd76a2f75ee3f219747f914ebd2a56256acea00217feee0e57e0300041d0c
11. 0xcd962c796f397570121ed906a802c577e41df857b8b57da8c41a4944a1468428
12. 0x92568e5a7cbd4782e9223d1910dad0adbcb676338daca49fde5bef5e84ecc1e2
13. 0x51f03aa38686601dad27c1b6449721baba5becb2342776edd179ef9189d62f57
14. 0x2064e3a2b01d0d12d5079bf720a0d0125e9703c55e92de54ad40c302469ec047
15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4