Evidence row 426856

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": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T02:28:08.651Z"
    },
    "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":"d6bd1aab8adf877ff85ef3da08c641e6a65275908de5247d0f34275ae4c4cf16","id":426856,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086313304187,"prev":409318,"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. 0x85b4d84087acbac35ea764e13759688c8696e662e966222c87b48e6f576d66ac
2. 0x2ed99c140f52a6016e8fa7143c95f112e026c529c0f61921dbc28a19177484cf
3. 0xf111164b5fe847bf9f3b058bac2a8a36789a302aea2cbdb75342126d31892b25
4. 0x51cc089fd39c09e2b9652e29b0f0f8aa44519780eb28c1f9267febbc5e678291
5. 0xb4d7c09675b8ad7f177b3d80f9ee10971c2a5c2ffbaafbf0fc61bc24cd7f715b
6. 0xfd5945aaddc3627520a2eb5448a9b3f9fce49ebaa9c77e18b03e2fcc328d5bf7
7. 0x71f2684a52719757dbc2f535f94e8951ef1713e56e8c605c229decdb33488ce2
8. 0x555142a58cdf1b0602ca37017eb5fc2abbdef6beaf0fe6af5ece5a5d663c0b0c
9. 0xd283a28d6e852245fdfe8b9ec866401bb4ddfee62d5559e68ef4586070156661
10. 0x96a0da13299187f33c6402d51c70a67e16424b1c2efecb62b5deff3accdc84f9
11. 0x94b5117661526893571c5099bb213b21f54068dc9f381d688b9be7c593a99d91
12. 0xe5ce8ac1ba4d6152605e0a032058cac5906d85f82e3fda1ad44852337b713b17
13. 0x07d414626f116f3edc6ddb34183ed02538c3a805fec6db00f9d764f8fd595d04
14. 0x4964f0806efde5ed25f60da2b45d78cd2e0f07d67e64aad2822f6016ad973c47
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4