Evidence row 1040438

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://2s.io/api/business/naics"
    ]
  ],
  "name": "2s",
  "owner_address": "0x2b6d4988db4723e6908db86ab2b8dfbc51fc32c5",
  "raw": {
    "accepts": [
      {
        "amount": "2500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5",
        "scheme": "exact"
      },
      {
        "amount": "2500",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "name": "USDC",
          "version": "1"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn",
        "scheme": "exact"
      }
    ],
    "description": "Look up or search NAICS 2022 industry classification codes (US Census Bureau, public domain). Pass `code` for an exact NAICS code — 2–6 digits or a combined sector like 31-33 — and get its official title, hierarchy path, full official description, activity index terms, and direct child codes. Or pass `query` for free-text search (e.g. 'software publishers', 'coffee shop') over titles plus the official ~20k-entry activity index → ranked candidate codes, optionally filtered by `level` (2=sector … 6=national industry). Ground truth for industry coding in KYC, business registration, government filings, and ERP vendor/customer setup.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": 3,
              "query": "software publishers"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "const": "GET"
                },
                "queryParams": {
                  "properties": {
                    "code": {
                      "description": "Exact NAICS code, 2–6 digits (e.g. 513210) or sector range (e.g. 31-33).",
                      "type": "string"
                    },
                    "level": {
                      "description": "Restrict search results to one level: 2=sector … 6=national industry.",
                      "type": "integer"
                    },
                    "limit": {
                      "description": "1–50, default 20 (search mode).",
                      "type": "integer"
                    },
                    "query": {
                      "description": "Free-text industry/activity description to search.",
                      "type": "string"
                    }
                  }
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method",
                "queryParams"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1781454341/bazaar-icons/58f7ba8f2b3b8047.png",
    "lastUpdated": "2026-10-27T09:44:56.706Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-27T09:44:56.459Z"
    },
    "resource": "https://2s.io/api/business/naics",
    "serviceName": "2s",
    "tags": [
      "public-records",
      "identifiers",
      "ai-agents",
      "us-gov-data",
      "x402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Look up or search NAICS 2022 industry classification codes (US Census Bureau, public domain). Pass `code` for an exact NAICS code — 2–6 digits or a combined sector like 31-33 — and get its official title, hierarchy path, full official description, activity index terms, and direct child codes. Or pass `query` for free-text search (e.g. 'software publishers', 'coffee shop') over titles plus the official ~20k-entry activity index → ranked candidate codes, optionally filtered by `level` (2=sector … 6=national industry). Ground truth for industry coding in KYC, business registration, government filings, and ERP vendor/customer setup."
}

What the leaf hashes

{"body":"7e16c2805ae4797a9a8fecb26fd9bec3ae7784d6ca39f0a8c7bd762f7b7e85cb","id":1040438,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298515024910,"prev":548723,"subject":"x402_bazaar:https://2s.io/api/business/naics","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x65a596cf21ab6e1e7401b272c15248286a34474104d0e2a6646bc17afadd7f61
2. 0xf168a9bec83d56c7b7b6b1af9f8c61a2875cb16bc9d22dd73e59d299550be93d
3. 0x36d46eb51e1745df8223ad55ad848dfef1dd8b506b126e3a898904070e8c2545
4. 0x9d417b7db8288e42133d51e8f0f7dfc207adea6cca50b7fe3714494aae6426e8
5. 0x316170947e0bccef14fc734d9947645960d1b6b8a739f52158b3436d5e280e46
6. 0x78ea05de0a6f980e25706be3c42edd6c02adf5c89ceb5b62a275a1368074ac80
7. 0x3cd9c13ecb62a536b5bbf2612c607a686ae0cdcac97eb64b097871a4698a21a2
8. 0xb9f2f69bfe536e34de6dade3d190a1c8793f2e05ec5d20aec47bbc1f24036a8e
9. 0x3825d4a9a7708b13a7330ffdb9d7a9292749a624632755dd96d1d4aee789087a
10. 0xfdc0e526f5facf7af04a07151bf951a8e8ed3f59915a960a6e40075d0bf28752
11. 0x176cdcfd67f58c39ef6c930558b2ba2b9626d905a9240751d4e15df099433d1f
12. 0x15f4180f132f070068051a7b7da2129bd8f97aecf4c0521bb06f195f3746639d
13. 0x051a19447aea0e5be5c495d9b33b6c644b070e152f158f9f28a530e66e539619
14. 0xa523bd4cbb3e762fe27dc53a6d42747aef6e5dea4f602786fa6968d56a8842bf
15. 0x5c72917224317e5d0d7a0d4ada19337530fcd8b513d6fc46866876f7844efe17
16. 0x976395aaca1b771b7e37710dee4157412909d2398c44e306a2e1e3fe83b984fd
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1