Evidence row 409312

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-niche-briefs.fly.dev/v1/ftc-energyguide-appliances-check"
    ]
  ],
  "name": "FTC EnergyGuide label 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": "16 CFR 305 EnergyGuide/Lighting Facts label and online disclosure check.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "appliance_type": "air_purifier",
              "online_listing": "true"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "as_of": "2026-10-25",
              "disclaimer": "Educational reference and automated checklist only; not legal advice.",
              "flags": [],
              "input": {
                "appliance_type": "air_purifier",
                "online_listing": true
              },
              "regulations": [
                "16 CFR Part 305",
                "EnergyGuide label"
              ],
              "required_elements": [
                "DOE CCMS certification",
                "label on product/packaging"
              ],
              "risk_level": "medium"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "appliance_type": {
                      "description": "Appliance",
                      "enum": [
                        "television",
                        "air_purifier",
                        "ceiling_fan",
                        "water_heater",
                        "led_lamp"
                      ],
                      "type": "string"
                    },
                    "online_listing": {
                      "description": "Sold online",
                      "type": "string"
                    }
                  },
                  "required": [
                    "appliance_type",
                    "online_listing"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "properties": {
                    "as_of": {
                      "type": "string"
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "flags": {
                      "type": "array"
                    },
                    "input": {
                      "properties": {
                        "appliance_type": {
                          "type": "string"
                        },
                        "online_listing": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "appliance_type",
                        "online_listing"
                      ],
                      "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": "2026-10-27T02:38:20.07Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T11:01:32.709Z"
    },
    "resource": "https://x402-niche-briefs.fly.dev/v1/ftc-energyguide-appliances-check",
    "serviceName": "FTC EnergyGuide label check",
    "tags": [
      "compliance",
      "ftc",
      "energy"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "16 CFR 305 EnergyGuide/Lighting Facts label and online disclosure check."
}

What the leaf hashes

{"body":"05bce6753cec1758770568b30b64d3f236db2faf2fab3f8b86eea828300190f0","id":409312,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080369433948,"prev":81153,"subject":"x402_bazaar:https://x402-niche-briefs.fly.dev/v1/ftc-energyguide-appliances-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. 0xe4181859bfb3055e0e9bc072e733e9c4c5637863c4f30a563b6faaa19e451e8a
2. 0x1dd9c7396753fb0fd3ced132e06a2b869184a84832dba729d9a1dda29a8c22c5
3. 0x14a8dc2ee3b83e6be0e1cb2312d6236c695e42aeff01f4d834c44c1154f0a3dd
4. 0xc89e0f748e15c94809a32f114ba2a31aad6ad7317a0e182355ec5a913f4d0e33
5. 0x5bc07e8bf4946d67eaa6a14f78007f995f2827f5a61c916f6535a15e8677c866
6. 0x55d0a40d263a7569a350fec5ac8c62529a098aee88e9f5d43b599d2185b3a428
7. 0x6be0d6d591500ce462d18dadc7950bc632ec16abb1c09420df9770700eea31bd
8. 0x8fa0873b5ebf1130415b4fd8c7733eead7235b0db48bc0e373e25f413228d47d
9. 0x02dbd3b6b750c0e302f5d258078c4151b32606225b6e6112a4d1d4276072996f
10. 0xcc19c30edda43ff1ebcc1026e0d7a666807e4babbafb9a15e178b7bd8bf27788
11. 0xb44c2942ddb3464f2b2c770afdcadc509526756e35fc6b54cbe05f81f7639529
12. 0x46ff3840378aba3ab5311ff9a58e7269ceff45cbef540c18a2bad9af3d6127bb
13. 0xd98ea318b514153f74841c90aff18a807e61314ec99610bf3bdbb7219da01cbd
14. 0xf72dee7a0c7534cb19ede4959b957b00c0a8285c36ad49dd2ce1c1092bf60d93
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4