Evidence row 409318

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-niche-briefs.fly.dev/v1/eu-weee-registration-check"
    ]
  ],
  "name": "EU WEEE registration check",
  "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": "Per-country WEEE register, authorized rep and crossed-bin symbol.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "equipment_category": "small_it_telecom",
              "member_state": "DE"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-25",
              "disclaimer": "Educational reference and automated checklist only; not legal advice.",
              "flags": [],
              "input": {
                "equipment_category": "small_it_telecom",
                "member_state": "DE"
              },
              "regulations": [
                "Directive 2012/19/EU",
                "ElektroG (stiftung ear, WEEE-Reg.-Nr.)"
              ],
              "required_elements": [
                "national registration before sale",
                "authorized representative if no local establishment"
              ],
              "risk_level": "medium"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "equipment_category": {
                      "description": "WEEE category",
                      "enum": [
                        "small_it_telecom",
                        "small_equipment_cat5",
                        "lamps"
                      ],
                      "type": "string"
                    },
                    "member_state": {
                      "description": "Member state",
                      "enum": [
                        "DE",
                        "FR",
                        "IT",
                        "ES",
                        "NL"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "member_state",
                    "equipment_category"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "properties": {
                    "as_of": {
                      "type": "string"
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "flags": {
                      "type": "array"
                    },
                    "input": {
                      "properties": {
                        "equipment_category": {
                          "type": "string"
                        },
                        "member_state": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "member_state",
                        "equipment_category"
                      ],
                      "type": "object"
                    },
                    "regulations": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "required_elements": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "risk_level": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "input",
                    "risk_level",
                    "regulations",
                    "required_elements",
                    "flags",
                    "disclaimer",
                    "as_of"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T02:28:08.998Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T11:00:39.412Z"
    },
    "resource": "https://x402-niche-briefs.fly.dev/v1/eu-weee-registration-check",
    "serviceName": "EU WEEE registration check",
    "tags": [
      "compliance",
      "eu",
      "weee"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Per-country WEEE register, authorized rep and crossed-bin symbol."
}

What the leaf hashes

{"body":"7ba1768129c0b97f54cf277125e15a5e683deb7551a313624c9c50f746f44d4e","id":409318,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080369467086,"prev":81179,"subject":"x402_bazaar:https://x402-niche-briefs.fly.dev/v1/eu-weee-registration-check","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. 0xfc59a1756aa728255138f121a374796b3fc172371e56095fb3c3de171db9895a
2. 0xf3afb04bf36463fd2fc4b014d25f6ba272648718e76e3caa790dc6df7edd935b
3. 0xff5d2efae49c5b0fe4cb44fd37bf1e7634fc83a5fff868295c24f2ae77d18cfe
4. 0x9aec41ea905a7c18343bf1c03649602dd71a8c7aefe02b825e629fe1f1defa3b
5. 0x35e5699e118df0fc5582dc7de22a676ccf3909325b776b1b3d3138f2646aede4
6. 0x8bcc078ad0ff16e4b5eb7bac4e22a7113e96405d85b5045ca06008c8655b00b8
7. 0xc1f39afecadef5caf1618fba63537e0de101e56e5e6dd3e44d5f7fa1b7e328c1
8. 0xc1586d1ec864a45c57028b6ef9d7513f2d1e7759b24da025ae5a242fd1279420
9. 0xb9d43f76a49367ccad36aafa562ce4c035af032ecce957a108fe39a99749dba0
10. 0xc7340668f1319c5db102143d6991b41bb4915f96670235b096dcb906b509c9fe
11. 0x479c88a152ed598e589c121df2956daa75b8b8dbec53f73497cacb70cc838259
12. 0xf4dd076e6efbd5ea0ecb7bbba37a353ed1d340e9d41fd6bbc5f05edbb05ca1cf
13. 0xf24b37f8ac293f5328e3e6b28cf868989fe99debf025c153c0d9a1698e846e25
14. 0x94d3785ce9330e4580bccada5459380aa2aac76a0bf11354d1353b375afc17d2
15. 0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4