Evidence row 2201719

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://industry-occupation-codes.x402tookit.com/naics-search"
    ]
  ],
  "name": "Industry and Occupation Codes",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Search NAICS 2022 industry codes by words in the title or a code prefix; optional level filter; capped at 50.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": 5,
              "q": "computer programming"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-21T06:39:52.592Z",
              "attribution": "Sources: US Census Bureau (NAICS 2022), US Bureau of Labor Statistics (SOC 2018; 2025-35 National Employment Matrix, employment in thousands), public domain, snapshot 2026-10-21. Not endorsed by eithe…",
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "matchedBy": "title words",
              "matches": [
                {
                  "code": "541511",
                  "level": 6,
                  "levelName": "national industry",
                  "matchScore": 61,
                  "title": "Custom Computer Programming Services"
                }
              ],
              "notChecked": [
                "the Census index entries and descriptive text (only code titles are searched)",
                "synonyms (a trade name that is not in a title will not match)",
                "…1 more"
              ],
              "query": {
                "level": null,
                "q": "computer programming"
              },
              "reasons": [],
              "source": "US Census Bureau NAICS 2022, BLS SOC 2018 and BLS 2025-35 Employment Matrix (public domain)",
              "summary": "1 NAICS code match \"computer programming\" (title words); best: 541511 Custom Computer Programming Services.",
              "totalMatches": 1,
              "truncated": false,
              "verdict": "FOUND"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "level": {
                      "description": "Only this code length: 2 sector, 3 subsector, 4 group, 5 industry, 6 national industry",
                      "type": "integer"
                    },
                    "limit": {
                      "description": "Results 1 to 50 (default 10)",
                      "type": "integer"
                    },
                    "q": {
                      "description": "Words like 'software publishers' or 'full service restaurants', or a code prefix like 5415",
                      "type": "string"
                    }
                  },
                  "required": [
                    "q"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "attribution": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "matchedBy": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "matches": {
                      "items": {
                        "properties": {
                          "code": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "level": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "levelName": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "matchScore": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "title": {
                            "type": [
                              "null",
                              "string"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "query": {
                      "properties": {
                        "level": {},
                        "q": {
                          "type": [
                            "null",
                            "string"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "reasons": {
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "totalMatches": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "truncated": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T23:29:20.246Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T23:29:20.076Z"
    },
    "resource": "https://industry-occupation-codes.x402tookit.com/naics-search",
    "serviceName": "Industry and Occupation Codes",
    "tags": [
      "naics",
      "industry",
      "search",
      "codes"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search NAICS 2022 industry codes by words in the title or a code prefix; optional level filter; capped at 50."
}

What the leaf hashes

{"body":"f98db7b7eb394e4a53e0ba1ed46e29f7afb0125ba77acca95266653f1b4e2973","id":2201719,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646807994115,"prev":null,"subject":"x402_bazaar:https://industry-occupation-codes.x402tookit.com/naics-search","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x28376f886d4ee4d1605d75f4b88171576292cb0640e9ba9e8affd2644be9eaf2
2. 0x4bdd9c35d5ff16250c262dcc743ea0ec61cce48f96d0c45a04f3f713aec571db
3. 0xd05aec94fbb63408593e94f02b482546961f8bc62aac7a3c2631fc1e28766f89
4. 0x182ff461fff0ee8b706ee545bd59fdd68514d51a30cfa3b6d8f12276601ee3c0
5. 0x6c1e56772e8e21f2cb2c65b4e0d9de53c5b3de3b9dbc3084f560c8e5ed045223
6. 0xa9d558e12a25646735c508af9b8130270ae569f2515a84e4e5fe5ba09c8b4b41
7. 0x751d762b4cd988e08b76fef96db024ff00170a8bcef9a56413b068b8bb0f5bf0
8. 0x497306a9e7592894bed844a451d0e2af615f64e4539fbee7ac150eccb6cb76ea
9. 0x39de0a870c59ab17a3ebeb6b8fb09bd349258a9482beb2002e048b93c00f34b6
10. 0x60048d128f35d182690bce0dbfc8c6b0d66f79da360a18d15f1800c6c1e0934f
11. 0xe1b8509e01d1532793b61f1dc718c65fb553f0a888aca1c23fcbe02c5333eab4
12. 0x3a4530c387a03c52b7afbd39200548993215a4cb14f3e53ead9b1517fcfe0b2c
13. 0x51e311ca2900bdc02d33f863997ecf605beee83455e2af17106fa126c029645d
14. 0x8d443fc9063dd9f00f5f7476005a8915a8222f4611f5601e212bafbdbbdd6165
15. 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af