Evidence row 219803

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentx.sale/x402/fx-rates"
    ]
  ],
  "name": "agentx.sale/x402/fx-rates",
  "owner_address": "0x9702ddf83ecb770f87ff6af04156be7241a3fe83",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x9702dDF83ECB770f87FF6AF04156Be7241a3fe83",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "CL4gJQMCuBNLoRPdbEgwdRkyH6RLC2Eak6yombja4vD9",
        "scheme": "exact"
      }
    ],
    "description": "FX rates: ECB reference rates for any fiat pair, e.g. base=USD&symbols=GBP,EUR,JPY",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "base": "USD",
              "symbols": "GBP,EUR"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "base": "USD",
              "date": "2026-10-23",
              "rates": {
                "EUR": 0.9,
                "GBP": 0.75
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "base": {
                      "type": "string"
                    },
                    "symbols": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "base",
                    "symbols"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T12:23:48.737Z",
    "quality": {
      "lastCalledAt": "2026-10-26T12:23:48.737Z"
    },
    "resource": "https://agentx.sale/x402/fx-rates",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "FX rates: ECB reference rates for any fiat pair, e.g. base=USD&symbols=GBP,EUR,JPY"
}

What the leaf hashes

{"body":"e087b990afc5d2275861ac26aefa9b4478ae7b86cd092b78adaee5adf3f8a62a","id":219803,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026661618670,"prev":null,"subject":"x402_bazaar:https://agentx.sale/x402/fx-rates","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. 0xe1a12452800f57eedbf7d162ebe4cc9e82b87ba489120ba175cdb23d82888e3b
2. 0xeb4d8b6c9ad32670b80f2dfb678a6d9a51b6906089d2bbfece88de6348fe8ca7
3. 0x1510322ae18f534ac5b8d73fe2aee7dd17aee6d9cf19a556ef882c321c3b7427
4. 0xa7fd295d9959ec8ec6aaee06ca382fc0f70430d9d3547479ef35d7580c951a1b
5. 0x65990f6d943a31091a1b4db460759f1316e89a6a58893213afb25b5e7e20a734
6. 0x354bde89c586ce15b1b1104a012a6e2cffe800a3b13221cb373bf1ffec167a5e
7. 0xa0eed58ef58b0979476315ee85f813c80f328e9aa832392f3626ee6fd2fc4df7
8. 0x18084b97fc42ea7eace3d738b6ed7c292170cbfe7aa9af5b673e16ee52e75189
9. 0x255df5c0dee1f232ec5aea7b5d871fb431b40a0503273217ce9040b10ce8c2d5
10. 0x2cbff68076c452d653c930667b60ac0d1dd957bf168bc813dea281be86c2e39f
11. 0xce35ce45ef8f8ea3dfabeeed3d2069f34fb82c77d0d8f31e3429b7d6deb0a351
12. 0x714c96bd488ccf4af927c8bc83397404f7f6f1b165b622d0e8216290209825e4
13. 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae