Evidence row 1793772

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://2s.io/api/iso/currency"
    ]
  ],
  "name": "2s",
  "owner_address": "0x2b6d4988db4723e6908db86ab2b8dfbc51fc32c5",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "name": "USDC",
          "version": "1"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn",
        "scheme": "exact"
      }
    ],
    "description": "Look up an ISO 4217 currency. Pass code (alphabetic like USD, or 3-digit numeric like 840) for the canonical record, or country to find the currency/currencies a country uses. Returns the alphabetic + numeric code, English name, minor unit (decimal places — e.g. JPY 0, USD 2, BHD 3), and the countries using it. Bundled authoritative ISO 4217 data — the currency-code + decimal-places ground truth an LLM gets wrong on less-common currencies.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "code": "USD"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "const": "GET"
                },
                "queryParams": {
                  "properties": {
                    "code": {
                      "description": "ISO 4217 code — alphabetic (USD) or numeric (840).",
                      "type": "string"
                    },
                    "country": {
                      "description": "Country name to find its currency.",
                      "type": "string"
                    }
                  },
                  "required": []
                },
                "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": "2026-10-27T09:54:10.407Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T09:54:10.237Z"
    },
    "resource": "https://2s.io/api/iso/currency",
    "serviceName": "2s",
    "tags": [
      "public-records",
      "identifiers",
      "ai-agents",
      "us-gov-data",
      "x402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Look up an ISO 4217 currency. Pass code (alphabetic like USD, or 3-digit numeric like 840) for the canonical record, or country to find the currency/currencies a country uses. Returns the alphabetic + numeric code, English name, minor unit (decimal places — e.g. JPY 0, USD 2, BHD 3), and the countries using it. Bundled authoritative ISO 4217 data — the currency-code + decimal-places ground truth an LLM gets wrong on less-common currencies."
}

What the leaf hashes

{"body":"081634b2ce14978a3adb38f10563139021e24c8fe6882b2b80a1dd8ff47b1282","id":1793772,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560049503688,"prev":548882,"subject":"x402_bazaar:https://2s.io/api/iso/currency","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. 0x6e9ff8a3ff4862a8806050552b1f694edefdd3027865c71c3e55ab6c5569a055
2. 0x5582540ad830c1c5f00b0a2b5fb5ca78e70aee85676716a784618d406d8bd126
3. 0xc39e40092d62524c206612562dc940254a6bb0a1e0610ff3eea753589c1ec220
4. 0x1ca1eaeb65ea1206d23be3d2866d6666614cbbb22a2f04bc568ee8989e7acdbb
5. 0x476a8a012c7ec535362cbe169af11819c15e93ebc6ec4916d7976bee8c149070
6. 0x7310d905de8bb5abb1732355c74bad7ea0129f0e374f3b61d70c69415bc545c8
7. 0x80deaf1373eb3fc76bdd4d9808afe7a146f586bf0cce037bf7af76fde4bbaf66
8. 0x00108f56a07054cc82809701e7be20979c363607752fa0e2d68409751361ff78
9. 0xed8f3acdd466754479726c201db8db37378296e68118a6ba62cc00db164ac137
10. 0xe155d75aa538f6971946bd0543d09b3bb90921eac25ce6f7067b1599a8731a78
11. 0x3c07b4d748e17eb2e7ea9a4e196085fcd6904bc9b95734ec1b3bae597198993f
12. 0xc7c7df033d7cc56a8db1d4dbba0ff60f832613877ef4082584b9bbd0c407d33a
13. 0x215ea80014ee66f3073134eb3329402080a043cc21a0a475647d253d47820da2
14. 0x3c3408392402b125bd2c2cfb11c655ba3e5ef4f456caee26d4ee38a093e93c53
15. 0x614dbc600bca0766e288d2a5ebb7709ac565230ac6acdc88a5e4a7a5ff53c58e
16. 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90