Evidence row 548882

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": 3,
      "l30DaysUniquePayers": 3,
      "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":"a9abe95f36a4d8f09437d54c784d3b262ade014029a8ca2c0e65110170580827","id":548882,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133331772624,"prev":453706,"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 2026-10-27 (273461 rows).

1. 0x0740ff0753bd44960c057673f9173f2bb368ddd164e29dbf90e6740763cc6a1a
2. 0x0d6f42fa6948d931f1251321dc829497e288e4cba32e9a76fa38563752f87667
3. 0x3f5766dc17e0dc575222df4b8a32e95ab214c1133b6638e1721acd53953fd007
4. 0x8033ba4414de946cfe6c4ea6c129f2ad54f7c8bc233ef0484a7ec0c27617d416
5. 0x574c114c6116cc6b4b65ccf3b8874dfd0b288b1844696f96686623ba9b7cf9a6
6. 0xdc01f5bdb5d0d4c439fd731bf33566dc8605f82193b653b0f764b53db9b40d34
7. 0xd764678b845a8fe999b098d0eaf9194b284a536779de457f6cb9dfca06d48f50
8. 0x96dc708c055dcd983c3ed3bcf73c953be0b5338e2e816237bb1d7b4a01032713
9. 0x975bd2d60d763c2a3813b33ba4ca96ad373abb710769e6a2d34a5f24cdf5340c
10. 0xab20ea65b3d1d1695f3ec1ed472b124c0c34eec77e67077c24d8608443e280fc
11. 0x14706fe5aa0e5f3898d45e678cf7ad8e049f525b3abf19494b1e25108e6f0c2d
12. 0x83ecdc3f438927cf48db4a55310f9dfd15d99a4a97bbb753d7d44af98599978f
13. 0x7e8c79bd0dee073006d03de64eaf1047d3bfd30041ac4fc765479ffd5a092e62
14. 0x29e12cb67839430fa64ab8bd05d52bab606f2978d9e6d2fb094fece9438fd4de
15. 0x2cf27e8a181d60d0dd27c186c2eddfcbb4e8fa71cf66feeb55a4d730e15ee8c4
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4