Evidence row 453502

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": "2026-10-08T06:12:53.856Z"
    },
    "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":"9108a5dfb790f74ef94ed61ec8cb252079d77c2e0660444b9347317b8318761a","id":453502,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100636298099,"prev":60285,"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. 0xa088d780c3b6197e20f84e3fa1ff7811c0511d97a315a05d3f273f800310e005
2. 0x9a46cc11edff728f9ceac513f4dff03252d2b60822ef8410b2061c9b8b194587
3. 0x2d1caf602a4bfe83c766e127ff80571ae298e95576ec8ec7e43a51e2169c1c83
4. 0xdced1a123e5bdad419db05f7a6915b794b24af6866c7a14f8c6661a6902dcf8c
5. 0x4ab9d0a599e0d197c25ecd014e231bd302c235163fb742573971a76d3ec38441
6. 0xe4de58505a22eb0993e4c559b3bf47f329dee4a869140f201eb942c8444419ff
7. 0xbb402c4274cdd3a2cc709ee193f83cda29c5fdf8692e72a40771cfd4bef0d0c9
8. 0x64e104bf40314236a3fe6d2f03102413eb9305546c75e4ef43b321c914aa1c1e
9. 0x8ba4d866a13ab0f0f3552e65bb4dc07ba6a13592b14b472255c0689ee96371f5
10. 0x1451f274bead0e064cbff4cb34a2a85c38d48724f6be81a1838109f0f5567d04
11. 0x12cd93a6a2110f110799415b164ee8de10e68de8672fb364e4103e94c2b4325a
12. 0x33950e20188f67e0f2148f6d7f32c815ddcf437f8b5b049a9de944b90cf78cd0
13. 0xa91c23113464e2fc1e93d41e407b7c6c254bee2eac2f7a550e2f9a1275eef26a
14. 0xb37e6165108af3c1962db6b76953aee5ee86201747a07444ad2760bf2d5dca23
15. 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4