Evidence row 426862

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-niche-briefs.fly.dev/v1/epa-fifra-pesticide-check"
    ]
  ],
  "name": "EPA FIFRA pesticide/device 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": "Classify pesticidal product: device (EST no.), treated article exemption, or registered pesticide.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "claims": "kills_germs",
              "product_type": "uv_sanitizer_device"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-25",
              "disclaimer": "Educational reference and automated checklist only; not legal advice.",
              "flags": [],
              "input": {
                "claims": "kills_germs",
                "product_type": "uv_sanitizer_device"
              },
              "regulations": [
                "FIFRA 2(h)",
                "40 CFR 152.500"
              ],
              "required_elements": [
                "produced in EPA-registered establishment",
                "EPA Est. No. on label"
              ],
              "risk_level": "medium"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "claims": {
                      "description": "Primary claim",
                      "type": "string"
                    },
                    "product_type": {
                      "description": "Product type",
                      "enum": [
                        "uv_sanitizer_device",
                        "antimicrobial_treated_article",
                        "repellent"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "product_type",
                    "claims"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "properties": {
                    "as_of": {
                      "type": "string"
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "flags": {
                      "type": "array"
                    },
                    "input": {
                      "properties": {
                        "claims": {
                          "type": "string"
                        },
                        "product_type": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "product_type",
                        "claims"
                      ],
                      "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": "2026-10-27T02:23:20.492Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T02:23:20.281Z"
    },
    "resource": "https://x402-niche-briefs.fly.dev/v1/epa-fifra-pesticide-check",
    "serviceName": "EPA FIFRA pesticide/device check",
    "tags": [
      "compliance",
      "epa",
      "fifra"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Classify pesticidal product: device (EST no.), treated article exemption, or registered pesticide."
}

What the leaf hashes

{"body":"6211805ba16f230b0bedafbad64cb0be1ce368d723ac6c75b10bb498a560fff9","id":426862,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086313660643,"prev":409322,"subject":"x402_bazaar:https://x402-niche-briefs.fly.dev/v1/epa-fifra-pesticide-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. 0x4896d1aedfcde04df3b2244feae215fc7cb21a217134cf07a0f9d7a4758dc655
2. 0xdf0fb3638545c71b2fe11cb74a5034dbaff05ead1798db0b1503f8398d5e4845
3. 0x7b26e24e8ab6c40754d9f6075ed21d932b0515edaa1733ae1d0fa7b799aa281d
4. 0xe262523e484b8eb18eec484d330b425dae76d45bc832c986ddf53cb6d44eeb02
5. 0xc82d9e7320171c667d103d81af4a108b4e08e57e0277fed67d4f38d64b30e80a
6. 0x76d1d134266df8067ec3eeddb7f1311a736a87c535879fcd500c4abc5c79f82e
7. 0x5c648f865a33e75863085bf6bceb34ddbf0ef55483a25c9e5cf92c3973bcd462
8. 0xb05bd82e0461ba7c4b8cc5a0188f1eb04d35e1b80d84dd1578d7cf6b829f3af4
9. 0x14d45ca985b0cbdafe02b18cb9513507d5cc5bf4c93398c3078c22797e369bf4
10. 0x0aa3627463815f4cb0c5a47a0afdb6118ef00f50d0fa723bfa76c6749c325c65
11. 0x54a45a3e1f1134ba6b79df5cf2d8890a00d02b63d33f9f5954091bef7c28e130
12. 0x84a7deb20d980d7ddf0eb089162b3d962c18f6c0ca46af19476c3066a5b827f3
13. 0x836e1796750a28d286ffaa8d273d250fe348c563336bf2d30cfaf1001d95f677
14. 0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4