Evidence row 1793783

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": 2,
      "l30DaysUniquePayers": 2,
      "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":"5e39f4401d448e9ee7188fe7ff434f250d96417d4fae4ed5dd8d69424a0924ec","id":1793783,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560049541182,"prev":1040438,"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 2026-11-01 (302406 rows).

1. 0xa27b531ddb63fc9619c5ce9b72772a8ffa162b904c43dbe5b09aab1dc4b052f6
2. 0x708c7752cc55f9c3b348c56a4c8d47a18899272b7c94c273de11f690d6c76c3d
3. 0x8e12ed702b9af37a9b3f0e7f3243725febb04edf780690681ac715bd398c2dcd
4. 0xcfc8d5104f50e0177071b540b1ff031db80a776d1f9e1869813e151664c20f79
5. 0xfe11b172b48cabfe71e79d5038f0c0ab44b76e933316c8d63a86b10adc73ed73
6. 0x730ff2a7898cee8a5481dc79f7f8514d60a20ce185171ce2231848d04fa45b80
7. 0xa6afba390716569a26c3db5221fb4e825a33ae7f4de0267a3996771bd394d5a3
8. 0x38ac51aa319d2a2e9b6e6824a967a070f67e38cff8c1620bc2cd1bd87447da09
9. 0x00c1182e47d895aa3bfffad5f7edbfdd1deb9794c225fdd8948410cd467895a6
10. 0xd79b21c21409782fff36edc5151fc871b5a4d39eaa582246b4652a505cd0b739
11. 0x47994b4ad552e5e598594ef55a5506460e81a3fbdfb225aa638302053116b42e
12. 0xb07f228eac6db8825710e10582bb3eefd4afac416e47c9f92234daccdfa086d0
13. 0x4d2f8da78dc8a660de1d8b86f0083d4295117c283b6de5334a6a9d06be22e64e
14. 0x699b83b189435f7ea2dc2d6d4f13262932214c0f9293f3ad20a20f7633995f1b
15. 0x4a900ec4cce00639b2e45adc5a7ba556793a171aadb927fa15d539147429570d
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90