Evidence row 453706

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": "2026-10-08T06:13:13.326Z"
    },
    "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":"df7baa5a795209cfd060690a67483091731369993fc630da432ae19671ddfa29","id":453706,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100656222414,"prev":60332,"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. 0x082f8d487edf633312d87042d94713ed680af77959ced6012f314ee97dd5dbd0
2. 0x3827311e6926fe655bb5ce12695af81ec512ffdada0323483596b69edbd24a4f
3. 0xf79b3772aa4670c2a57b1aa2c39af090261a670e176f2ff9ff06990270e463e1
4. 0x5431e1d0c35cbee5f4c98991f33cbaf7e10c92b69f5b9bbdce4d58b4a60e9b9c
5. 0x3d0a42bc415c676f204b75759a959d00e78ac41a78cff6149edcb7c31dc36a64
6. 0x067fdfdd90964d20191b158cbcc1759267eb01908f460aa79fe4c700927e458b
7. 0xe36c412b35a9ee02b7c9907f4dc60d5f3a71249faa9f42475a09fc15aeb92a4e
8. 0x1fbb99bb0c38e1db354f57e1410693fa5ab9483f6a0bd488cd498bbe62b6c6b4
9. 0x740ec594d6aff0936b9c48f184e5a2bc46e8f81097ecd3b4db9f1a8f0e8ba38b
10. 0x9b0ee21fb0dd4ea92822e278c74c3eb75e4e9befde7e8b9320eae9afc29fc065
11. 0x32ff11116925d4f6cb886f2b10aaee347411638da7594e1a01520f7289fefe5e
12. 0x032ecda033bf8a986e559148b1dda067c67bf4dee01f0000782b450c72286406
13. 0x74ffd6144e8464591ea30392b981f197426cfd361178829fb8a66915e2f727b0
14. 0x3e0ec8a2a8a954695a9b53a4a48a7656d7e3fd6a8795c73b49e2ef05b201ec3f
15. 0x2cf27e8a181d60d0dd27c186c2eddfcbb4e8fa71cf66feeb55a4d730e15ee8c4
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4