Evidence row 3971099

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": 1,
      "l30DaysUniquePayers": 1,
      "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":"221c101926738a2e99e0cedeeab13a07a5cbbe181501645d696157570e1cbc66","id":3971099,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083685841816,"prev":1793772,"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 2026-11-07 (195826 rows).

1. 0x9e9fb2c370116350a5ec6b2500f945aec89d389da4d96940d8a0ccccd038e530
2. 0x38c66493138d1f83162e81da9b46d991dbb679fe63509cd051c0a40d2c072f54
3. 0x83621d9b84cb4910ca57d769e744b392149adae964bb1498553071f8fe64e7cb
4. 0xcfbcd48cf2f2bba54073d8bd953445b2a7ed44542accc147f294d4f12db30421
5. 0x540624c767816f720c31883988b5010bf103dc885fb88c76cebc7bcf16c1aa53
6. 0x2971acbc08648ec133dc7f5a6b186280fe0cb632ad24eb1960a51dd886a4b708
7. 0xe4d984c9b291a61a28c606f11180c9e53e88ee8a3f35e93e821722fd4d1a98da
8. 0x2479cbd06ed1ee63fa3d773f635ad9e1e290bd416e40845beb2e971811b560f7
9. 0x1560cf147ef96fb7ff2f397a657fb7c43456b2b0bd874dea7bb66103a9538aab
10. 0xc2a788ea8ef068dc3fc5c65f37d93eac06e631e0626549a629c1d304974d076b
11. 0x87cab059ea94aad4647a40c38b39d3bd999a2cd2fe440fd7accbeee2c4782a90
12. 0x46137e7e93e4c7915aac274a00a4ce75f3c34ba96756aab255a15cff3db3242a
13. 0x454533c58a8b3dfb2df9d9395011549998249a7cb6793d6cf77b5284bd2dc576
14. 0x29f53556c590185a8a72635fbd8aef678cf0c411497b5985f3632d619ce0bb36
15. 0xd43f13f6774b4e9adf7a95c9811fb4fe9b9256ca73bc6f20577cb4cb147ba0eb
16. 0x39ddab61a3a1eeffcb2f54acf6ff87eaec375674f3e77f00c342826d4e1bf071
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa