Evidence row 69365

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.tickersfeed.net/fx/:base/:quote"
    ]
  ],
  "name": "TickersFeed",
  "owner_address": "0xe82ebef57fa5af958b8ecb6843d4327d314f59e3",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xE82EBef57Fa5aF958B8ECB6843D4327d314F59E3",
        "scheme": "exact"
      }
    ],
    "description": "Foreign exchange rate between two fiat currencies from official ECB reference data — e.g. USD to EUR, GBP to JPY. Returns the current rate and date as JSON. Use for: currency conversion, forex rate lookup, multi-currency pricing, invoice conversion. $0.001 USDC per call.",
    "extensions": {
      "bazaar": {
        "category": "fx-rates",
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "base": "USD",
              "quote": "EUR"
            },
            "queryParams": {
              "base": "USD",
              "quote": "EUR"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "base": "USD",
              "date": "2026-06-20",
              "quote": "EUR",
              "rate": 0.92
            },
            "type": "json"
          }
        },
        "routeTemplate": "/fx/:base/:quote",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "base": {
                      "type": "string"
                    },
                    "quote": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "queryParams": {
                  "properties": {
                    "base": {
                      "description": "Base currency code (e.g. USD, EUR, GBP)",
                      "type": "string"
                    },
                    "quote": {
                      "description": "Quote currency code (e.g. EUR, JPY, GBP)",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1783635756/bazaar-icons/7d664bcc9f75e9ce.png",
    "lastUpdated": "2026-10-04T14:11:19.375Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-12T14:07:50.493Z"
    },
    "resource": "https://api.tickersfeed.net/fx/:base/:quote",
    "serviceName": "TickersFeed",
    "tags": [
      "forex",
      "fx",
      "exchange-rates",
      "currency",
      "finance"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Foreign exchange rate between two fiat currencies from official ECB reference data — e.g. USD to EUR, GBP to JPY. Returns the current rate and date as JSON. Use for: currency conversion, forex rate lookup, multi-currency pricing, invoice conversion. $0.001 USDC per call."
}

What the leaf hashes

{"body":"da21e09281851e72d60ec38f4b31fc333a624ee7324707494d0ea28c9d47f284","id":69365,"kind":"listing","method":"baseline/1","observed_us":1793025478018565,"prev":null,"subject":"x402_bazaar:https://api.tickersfeed.net/fx/:base/:quote","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x790d2cb7877ce59b001bc3018019f0f41de83d77fc07c81e13187c82da1d0ae3
2. 0x9742a644188b892d6c5f4b2b91c452a3615bc353e62364b768598c1ad19cfe77
3. 0xda366ef7dc9cc06d55f4743abdb9f2b99e574acbb0261c6ab6375c10296ac664
4. 0x8d7235a2c509976f045cc023bdfc36ecf580ea72b687a6700fe84ad8a708cf04
5. 0x083b480e0b49a86766d681fba1c44405d3374cad888bfc300b85aa4eb1685646
6. 0x38ec0e805e3924648147a813ae729370003367e0002df092abd80874815a4fb3
7. 0xcce839c00e233d04ac07978b1c5b3871028e98a3b69aad8d1941b2ce863e8ffd
8. 0x73c75faf07df1d05e75cfccc2f5e9f9806f4ae84820f306ecf21ddbc170b051e
9. 0x01b2461ff3c2bdb7522d8bc69556afc98ffc6fbaf4e3a114d4015aead79fd6bd
10. 0x97e46b70e0c331348eabcb4ab670fdafec5ed7123ffa5a6a8f2771a3eb69c9e9
11. 0x15ee99441401ec9e8c72aaf51bd6c821ec4e6b18bc91225370e5c19c4c8e8448
12. 0xdcba35a3346e9c4b9ae1267cc5995998c2c33da9ef658e955eaae1589ebbdcad
13. 0x01c95624b1f2385ef774ee258a9ae58a4df07a1bdaa829de84e1d5201f3f39c2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae