Evidence row 409324

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-niche-briefs.fly.dev/v1/cpsia-lead-phthalates-check"
    ]
  ],
  "name": "CPSIA lead & phthalates 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": "Children's product lead (100 ppm), paint (90 ppm), phthalates (0.1%) check.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "age_grade": "3_to_12",
              "materials": "painted_wood_plastic"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-25",
              "disclaimer": "Educational reference and automated checklist only; not legal advice.",
              "flags": [
                "paint/coating: test to 90 ppm",
                "plasticized parts: phthalates test"
              ],
              "input": {
                "age_grade": "3_to_12",
                "materials": "painted_wood_plastic"
              },
              "regulations": [
                "CPSIA 101 (lead 100 ppm substrate)",
                "16 CFR 1303 (paint 90 ppm)"
              ],
              "required_elements": [
                "CPSC-accepted lab testing",
                "Children's Product Certificate (CPC)"
              ],
              "risk_level": "high"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "age_grade": {
                      "description": "Age grade",
                      "enum": [
                        "under_3",
                        "3_to_12",
                        "general_use"
                      ],
                      "type": "string"
                    },
                    "materials": {
                      "description": "Materials summary",
                      "type": "string"
                    }
                  },
                  "required": [
                    "age_grade",
                    "materials"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "properties": {
                    "as_of": {
                      "type": "string"
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "flags": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "input": {
                      "properties": {
                        "age_grade": {
                          "type": "string"
                        },
                        "materials": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "age_grade",
                        "materials"
                      ],
                      "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": "2026-10-27T02:18:13.434Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T11:00:26.756Z"
    },
    "resource": "https://x402-niche-briefs.fly.dev/v1/cpsia-lead-phthalates-check",
    "serviceName": "CPSIA lead & phthalates check",
    "tags": [
      "compliance",
      "cpsc",
      "cpsia"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Children's product lead (100 ppm), paint (90 ppm), phthalates (0.1%) check."
}

What the leaf hashes

{"body":"9fa808afb795227c5697e612672486951a6c22955eecc3339239d6eeff75870b","id":409324,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080369492740,"prev":81187,"subject":"x402_bazaar:https://x402-niche-briefs.fly.dev/v1/cpsia-lead-phthalates-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. 0xa89e0e25ca712c609264150129073e638a79fd290e6b78e84a2c625b07a08bbf
2. 0x35bc83d201b0d7992247c940c47fe0078c46ee19ec4bad051af024305baccdd1
3. 0xbcf85c392cfbcee67fbc729460e7d7d11eaf18c05f93ccefb6f53f4e24aeb8ef
4. 0x8f0b29b2ec909c6a065ef84f476944b63e3917ea4a92edb27e7ea9272e9e3003
5. 0xdc2d4de9f6d40f6d40152b6f45aa9138591e9c69cc3750150818c21665f1566b
6. 0x4adff024a92099dce4348b9faf7be4734da614c533e76c2b2c29898e1d498e13
7. 0x584ce111d975e01f7b7ff40b5afacaaa27e44ecc5cb4f98a844b2a8e9a39b956
8. 0x05856c0c8232c20f69fd630f6219eb43ec0bfa7242e0a172591d8b4f140375a2
9. 0xb258737062c1410e330f4d9a35d96a2e32e8e80c47af5bb9cd63f91a2a051584
10. 0x4bf97e42a5860ebb71dc4706a6ee027ee8be9f6a913bae5adcb7c723215a2134
11. 0xaa137eb24ef2339458d7aff21fe0ca92a9e2fc5593798b8e923cb9f5717e4be9
12. 0xa08d28946903c13551b0c68269e38bfa91b368f8e33183ac691c11e2b5a9506a
13. 0xb37156a04839055daed26674da38864f8dae598cab9742c6fb3e74eb3178f2d4
14. 0x0644f7e2a4b5bf9b66f185cc3fbb766d456ad94490183852f4c6db5855114cc5
15. 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4