Evidence row 548723

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": 4,
      "l30DaysUniquePayers": 4,
      "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":"ebe9a81d858bfd87f9eb78c96d7ada022324fa175698afe6278d52ff3c161555","id":548723,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133321513760,"prev":453502,"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 2026-10-27 (273461 rows).

1. 0x47b94c23ae58f67ea1ee12a68d27875889f1d542d92aad4733c03d52edb7b6d6
2. 0x4591b55899c6b34e5e91c8beae3f5362c184e167756886c7c18120445eb84438
3. 0x330848f757e0fc35ece3f319a020ab19447db1072162f99f228f19721e739b41
4. 0xa781392b35c74f43669b5edf6d09b89c44e0dda63b3d76d8d0efa8b34d50361e
5. 0x02b397a853e2da91d6b2ed33aec54a38a2dc14612ace8fccb3f18f1aab2b9481
6. 0xf0040c2b338283990a5bebafe87daef4b0f0af50975b185e58203072a03d3e57
7. 0xd099e725c480923b4ce877a0b58f95084028798660e7c98fe3e87a8535d1cdbb
8. 0x004144066879912aafcb319787f2df2803a7f7de54ce0b1f22f4562f556a38c4
9. 0x33f75913d8a8757114ed57ecc387f38c9369cc08af600734c4bf1d1ba3b7cdf0
10. 0x03ff3c5a4cde8d9b152191c992055e385be1b44102706d0e418de59ae2d65c20
11. 0x7273dde82b66d8a1ea8a7f26c98eebfd82f7fd2b4a39eea2752f1b3a00587c00
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