Evidence row 77272

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://macro.genexxis.com/fx"
    ]
  ],
  "name": "macro.genexxis.com/fx",
  "owner_address": "0x9287e3102d411029025c7617d75245bfc7920f17",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x9287e3102D411029025C7617d75245BFc7920f17",
        "scheme": "exact"
      }
    ],
    "description": "Official reference exchange rates (ECB and Bank Al-Maghrib fixings) for any pair among ~50 currencies including MAD, SAR, AED, TND, DZD, EGP and XOF; direct or computed cross with method and date.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "base": "USD",
              "quote": "MAD,EUR,TND"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "rates": [
                {
                  "base": "USD",
                  "date": "2026-10-22",
                  "method": "direct",
                  "quote": "MAD",
                  "rate": 9.7985,
                  "source": "Bank Al-Maghrib reference rate"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "base": {
                      "description": "ISO 4217 code",
                      "type": "string"
                    },
                    "quote": {
                      "description": "One or more ISO 4217 codes, comma-separated",
                      "type": "string"
                    }
                  },
                  "required": [
                    "base",
                    "quote"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-24T12:52:28.04Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T12:52:27.512Z"
    },
    "resource": "https://macro.genexxis.com/fx",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Official reference exchange rates (ECB and Bank Al-Maghrib fixings) for any pair among ~50 currencies including MAD, SAR, AED, TND, DZD, EGP and XOF; direct or computed cross with method and date."
}

What the leaf hashes

{"body":"5c1ded74e2bd76f61d894af50b045cabb657a228227b98eff396db65a36c07fe","id":77272,"kind":"listing","method":"baseline/1","observed_us":1793025493733660,"prev":null,"subject":"x402_bazaar:https://macro.genexxis.com/fx","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. 0x3df0911fd3d6687f08011ebe4b45e0ffcd8e8e19922eea581f10b63bea12a07f
2. 0xe24fc277a7e675400a27833ec460607bedee04c68e71e56f399f28f47949aafc
3. 0xfac7dacf3eb619f82421bf50355e03258449c4e3673ea4a9d61f5519070df64e
4. 0xa13bca0b33b543d5e0ba13c7ae3150e9fe8e3ac4ff11b7cbbc69bdc8310181c3
5. 0x02473cd9e75f0f6f2f01bae232db806dd41499d6cc1ab91b598f3cd418877798
6. 0x407b9cd373e32bb3f6e309aaab3085149f19cf10ea36819a0ae213f537af4fec
7. 0xda2ad23f08c7ab7c19dd4c4c2dce09ed15a547deab04a0290cdd74172b4e083e
8. 0x3a05d4b1ed55b53aef8e36a2c49d63abd46163642b637e19c357e8a5d78441d6
9. 0x6ee75bec467137d3dd8fbeb6a0a73db534b8fad2ed1c71dda0cb5e575c756de2
10. 0x45253cd85fd280590cc755c7157b670bb65655451b61e792fbe381fa2fd7507d
11. 0xc900cc76dc3702a3e60eaef3577f119464a6a90c3e2b646253f2ba09c089de97
12. 0xd04df0f7f3be4d014b4cea8172ada286fbcf5bcb32ae1b281704fd75627b661b
13. 0x215f432600b78f2e7c9629cd10ce6ce4b7f3351b0b71f3f2c7dcb8e650f6cd63
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae