Evidence row 125523

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-trends-server.onrender.com/api/exchange-rate"
    ]
  ],
  "name": "x402-trends-server.onrender.com/api/exchange-rate",
  "owner_address": "0xf61f957d9ac432309219549b1ae79ae8b7c71ff5",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xF61F957D9aC432309219549b1Ae79Ae8b7C71fF5",
        "scheme": "exact"
      }
    ],
    "description": "Convert money between currency codes using current reference exchange-rate data. Use this endpoint for USD, EUR, GBP, JPY, and other supported fiat conversions when an agent needs a rate, converted amount, or currency comparison.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "amount": 100,
              "from": "USD",
              "to": "EUR"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "amount": 100,
              "convertedAmount": 86,
              "date": "2026-08-15",
              "from": "USD",
              "payment": "verified",
              "rate": 0.86,
              "source": "Frankfurter",
              "status": "success",
              "to": "EUR"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "amount": {
                      "description": "Amount of source currency to convert. Defaults to 1.",
                      "exclusiveMinimum": 0,
                      "type": "number"
                    },
                    "from": {
                      "description": "Three-letter source currency code such as USD, EUR, GBP, or JPY.",
                      "type": "string"
                    },
                    "to": {
                      "description": "Three-letter target currency code such as EUR, USD, GBP, or JPY.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "from",
                    "to"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": false,
                  "properties": {
                    "amount": {
                      "type": "number"
                    },
                    "convertedAmount": {
                      "type": "number"
                    },
                    "date": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "from": {
                      "type": "string"
                    },
                    "payment": {
                      "type": "string"
                    },
                    "rate": {
                      "type": "number"
                    },
                    "source": {
                      "type": "string"
                    },
                    "status": {
                      "type": "string"
                    },
                    "to": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "status",
                    "from",
                    "to",
                    "amount",
                    "rate",
                    "convertedAmount"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-21T04:31:06.414Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-21T04:31:06.286Z"
    },
    "resource": "https://x402-trends-server.onrender.com/api/exchange-rate",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Convert money between currency codes using current reference exchange-rate data. Use this endpoint for USD, EUR, GBP, JPY, and other supported fiat conversions when an agent needs a rate, converted amount, or currency comparison."
}

What the leaf hashes

{"body":"45eb6c68da142378b42140b5bc42549486d717b497db02724ee96dd251c5ceb4","id":125523,"kind":"listing","method":"baseline/1","observed_us":1793025626423747,"prev":null,"subject":"x402_bazaar:https://x402-trends-server.onrender.com/api/exchange-rate","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. 0xbe9decdfb405bdc37f163b3e8ca9e9354695fcb6ea11dae2a20171b56e009871
2. 0xaecec108fb66a46c8cf3c5b98c15807c392558431e46fd029e37b568f124baf3
3. 0xdc94185fac267e2989c4ebe35dbe289d4fa595af62fc7d7f60d8213eadacb244
4. 0x7e948b03fef74c98ac38e97f03b8f18415195f7073ec26bfa233051b2d06b57c
5. 0xc34b7db2a27bc94a2f2af494ce8d867976fb087dcdfb911a433299e29592bd66
6. 0x3a1afdb5fc3d591e2a7a8a70d0e72406210de10cc339fb2de34abf173753931a
7. 0x84db278fbf43d4c3fdfa3b789679ba4665229ee4d90a07973545ec8112801e81
8. 0x474235b8ac74d4190ef02a855e160e1833f32972a52b8eb91ba8b6badad53129
9. 0x652682fe7730588966bee5677a3da0d5301eeb9628ec4a456398914b9ddf92e6
10. 0x6a746b816cbae6dd852b6174fa370c7d8224f421d42164fa99d1a244739599d1
11. 0x0c2fadf69af6b0b6e19a10cc8f6ddfdff26662d74207cc53dcbcf5abfbdbc8c9
12. 0xa6f71fd6c3a59323bf7c5386a54935b14c555d8c717289cc73700f56d86994cd
13. 0xd5b5bb5812612371a70171b2252d90e95bb0581ea5a3be198122adc8442e4f79
14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae