Evidence row 452201

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.aestheticdata.io/x402/products"
    ]
  ],
  "name": "AestheticData",
  "owner_address": "0x407ebfbe56172fac4795541eb5aef6f463cfc868",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x407ebFbE56172FAC4795541eB5AEF6F463CfC868",
        "scheme": "exact"
      }
    ],
    "description": "Classified aesthetic-medicine products from the public EUDAMED UDI-DI list (dermal_filler, skin_booster, thread_lift, implant). Unmapped devices are omitted. Devices no longer listed in EUDAMED are excluded. Page size is 100. Price is 0.002 USDC per page.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "page": 1
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": [
                {
                  "attributes": {
                    "crosslinking": "BDDE",
                    "ha_concentration_mg_ml": 20,
                    "indications": [
                      "nasolabial folds"
                    ],
                    "lidocaine": true,
                    "syringe_ml": 1
                  },
                  "attributes_source": {
                    "url": "https://example.com/products/example-filler",
                    "verified_at": "2026-10-26"
                  },
                  "brand": {
                    "id": "example-brand",
                    "name": "Example"
                  },
                  "category": "dermal_filler",
                  "emdn": {
                    "code": "P900402",
                    "term": "Example filler term"
                  },
                  "id": "00000000-0000-4000-8000-000000000001",
                  "manufacturer": {
                    "country": "SE",
                    "name": "Example Manufacturer",
                    "srn": "SE-MF-000000001"
                  },
                  "primary_di": "00000000000001",
                  "reference": "EX-1",
                  "regulatory": {
                    "eudamed_url": "https://ec.europa.eu/tools/eudamed/eudamed#/screen/search-device/00000000-0000-4000-8000-000000000001",
                    "last_updated": "2026-10-26",
                    "placed_on_market": {
                      "country": "Sweden",
                      "iso2": "SE"
                    },
                    "region": "EU"
                  },
                  "risk_class": "refdata.risk-class.class-iii",
                  "status": "refdata.device-model-status.on-the-market",
                  "trade_name": "Example Filler"
                }
              ],
              "data_as_of": "2026-10-26",
              "meta": {
                "brand": null,
                "category": null,
                "data_as_of": "2026-10-26",
                "has_attributes": null,
                "page_size": 100,
                "q": null,
                "source": "EUDAMED public data; categorisation and curation by AestheticData. https://ec.europa.eu/tools/eudamed"
              },
              "pagination": {
                "page": 1,
                "page_size": 100,
                "pages": 1,
                "total": 1
              },
              "source": "EUDAMED public data; categorisation and curation by AestheticData. https://ec.europa.eu/tools/eudamed",
              "status": "success"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "brand": {
                      "description": "Brand id or brand name from the brands core list. Matched on the trade name, the Basic UDI-DI device name, and the brand with the category-rule normaliser.",
                      "type": "string"
                    },
                    "category": {
                      "description": "Optional. Exact lowercase category. Omit it to return every category. Case variants are rejected. Unmapped devices are never returned.",
                      "enum": [
                        "dermal_filler",
                        "skin_booster",
                        "thread_lift",
                        "implant"
                      ],
                      "type": "string"
                    },
                    "has_attributes": {
                      "description": "Only the exact value true. Keeps products that have curated attributes.",
                      "enum": [
                        "true"
                      ],
                      "type": "string"
                    },
                    "page": {
                      "description": "Page number from 1 to page_count. Page size is fixed at 100.",
                      "maximum": 127,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "q": {
                      "description": "Keyword on the trade name, the Basic UDI-DI device name, and the brand. Matching uses the category-rule normaliser.",
                      "maxLength": 64,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "data": {
                      "type": "array"
                    },
                    "pagination": {
                      "properties": {
                        "page": {
                          "type": "integer"
                        },
                        "page_size": {
                          "type": "integer"
                        },
                        "pages": {
                          "type": "integer"
                        },
                        "total": {
                          "type": "integer"
                        }
                      },
                      "type": "object"
                    },
                    "status": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "status",
                    "data",
                    "pagination"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T09:58:43.857Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-16T18:44:02.393Z"
    },
    "resource": "https://api.aestheticdata.io/x402/products",
    "serviceName": "AestheticData",
    "tags": [
      "aesthetics",
      "medical-devices",
      "eudamed",
      "brands",
      "agent-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Classified aesthetic-medicine products from the public EUDAMED UDI-DI list (dermal_filler, skin_booster, thread_lift, implant). Unmapped devices are omitted. Devices no longer listed in EUDAMED are excluded. Page size is 100. Price is 0.002 USDC per page."
}

What the leaf hashes

{"body":"93e3b9643351a3b841e3ecc2d860e5e7eff6e2591c42f12ae5c3543e9205396f","id":452201,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100518555925,"prev":64548,"subject":"x402_bazaar:https://api.aestheticdata.io/x402/products","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. 0x636f97eac57733a94a97d0f43e19be36fd7fce2b7580e7c940613d9fdd061583
2. 0x22bbab094633f4d278b662036233eb5b9f8d63682a1e21895226bc7f74ac2061
3. 0x5a38ce2390e86ce642f14a60e651bb7668b7284a3d98bb2475add488462276f8
4. 0xbcdbd9c2d251629eedfe99387f157c0ae44dd42dfdeb76b33817496e03f0ce50
5. 0xf65bf14b8fac58048932fd8273140f6c5d9719c4ccdaed20e3662e0208315bf2
6. 0xf6e9ec0a30136bde77328b5dd3b18447ea5a1eddafb57a43eba066f36679a0e6
7. 0x4d9d4e630a7a9830109c69ed5ea5f1b3389d46cd7da274ddb315a43619308a79
8. 0x270e1ffc1bce81a63a4798d9d239f59f5b2a456e57cfe8699b784e12a7c9fce1
9. 0x6f3993e7b32134fa5a5daa65d362615a16b0137c694ef29ea6916e3fc629881e
10. 0xc3deefe6f5b5b4bd29726525348be0d43ff1797cc02f7063d5c126f0368ae47e
11. 0x4b8a5bb7702c56bf518d411dcb651cd65152b4c5dc726c84c9defe976da6fc97
12. 0x2e58dc6ee7aeaa711f82442dcbba8b29376e082f623a6e0234d71b85ff8d3377
13. 0x38f17e73d675dd35d0dd4a9f0ebd22a3333bcd28f96e42d5dd126e08211ffc4a
14. 0x4277e02be0b5d91d78bc2247e37d402572474ba896c2e8f45765c8dc4e244d36
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4