Evidence row 409319

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-niche-briefs.fly.dev/v1/eu-toy-safety-en71-check"
    ]
  ],
  "name": "EU Toy Safety EN 71 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": "EN 71 test parts and Toy Safety Regulation requirements.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "age_group": "under_36_months",
              "toy_type": "plush_soft"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-25",
              "disclaimer": "Educational reference and automated checklist only; not legal advice.",
              "flags": [],
              "input": {
                "age_group": "under_36_months",
                "toy_type": "plush_soft"
              },
              "regulations": [
                "Directive 2009/48/EC (TSR 2025/2509 transition)",
                "EN 71-1/-2/-3"
              ],
              "required_elements": [
                "CE marking",
                "EU DoC"
              ],
              "risk_level": "high"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "age_group": {
                      "description": "Age group",
                      "enum": [
                        "under_36_months",
                        "3_plus_years"
                      ],
                      "type": "string"
                    },
                    "toy_type": {
                      "description": "Toy type",
                      "enum": [
                        "plush_soft",
                        "electronic_toy",
                        "wooden_puzzle"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "age_group",
                    "toy_type"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "properties": {
                    "as_of": {
                      "type": "string"
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "flags": {
                      "type": "array"
                    },
                    "input": {
                      "properties": {
                        "age_group": {
                          "type": "string"
                        },
                        "toy_type": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "age_group",
                        "toy_type"
                      ],
                      "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": "2026-10-27T02:28:07.657Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T11:00:51.779Z"
    },
    "resource": "https://x402-niche-briefs.fly.dev/v1/eu-toy-safety-en71-check",
    "serviceName": "EU Toy Safety EN 71 check",
    "tags": [
      "compliance",
      "eu",
      "toys"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "EN 71 test parts and Toy Safety Regulation requirements."
}

What the leaf hashes

{"body":"9aea17b805c19d3024c62332be6bc53621522d4aa709a9e4aafcbb4ab5ed2855","id":409319,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080369471400,"prev":81173,"subject":"x402_bazaar:https://x402-niche-briefs.fly.dev/v1/eu-toy-safety-en71-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. 0xd41adf7865f7380ab193879d00fe3e641e6735f17191a0d5215e400c4e744895
2. 0xfd8d67ad30037c005fd5ebd9beae96effdeeca76909bbe541995464ebdc95354
3. 0x7f25a2d8ffe4f598bbdab2e746d8a8ca766995a5edd30dfaf16877a851b8c3f9
4. 0x0e6f18b7368fc3dd0e93d4401ff3a98def543cf02050a79d09d8f54f90a1c385
5. 0xc70bcfc8e61dfefd15a8cb5966990a1398a4ab52f80c49f3973e16b9ba255470
6. 0x29e2df96557630f16286e3d6fab2cb7bf10c7966c9a6a1b7f4ce64e9a2faa99d
7. 0x6ce8dc3e338fdf0ece2ce76ab492bc7b49cfc481e4b8c59275265ee186c2f173
8. 0xf7a5a93e82ee81a566a9d0919a77e9658da6994fedd92be1525d395868c34b63
9. 0x8f8179b5a5b159014360f14784a8ec93ee66963daf26a494ab5ccc315616154b
10. 0xe241e94eb1670fcd91f1d0cb61e14e297570ff7e8861327f9690800b59239d6d
11. 0xb260f65f574273b29152a0381cb63c4d5e250d7b6498b9b4f5aaf104e094e9d8
12. 0xba42125112c82614fda070baa3201b37bda47b7485d074641cdd174984f8ddaf
13. 0x3b3e4fecead12aaf883ab4f21b6e21efddd0a8d055ced058cb62bcdca8a6c9d6
14. 0x8f676edfb4faaa290229d8f4f69ab721fc627424463d62f5146b3d1ca7f2f0c6
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4