Evidence row 1789713

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://reference-data-api.onrender.com/v1/currency"
    ]
  ],
  "name": "Reference Data API",
  "owner_address": "0x6bffcc85172372ad4e9c1ffafe97980a2c778fc7",
  "raw": {
    "accepts": [
      {
        "amount": "34500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6BfFcc85172372aD4e9c1Ffafe97980A2C778FC7",
        "scheme": "exact"
      }
    ],
    "description": "ISO 4217 currency lookup by code, numeric code or name: name, numeric code, minor units (decimal places for amounts) and the countries that use it officially.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "code": "CHF"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "code": "CHF",
              "minor_units": 2,
              "name": "Swiss Franc",
              "numeric": "756",
              "used_in": [
                {
                  "alpha_2": "CH",
                  "name": "Switzerland"
                },
                {
                  "alpha_2": "LI",
                  "name": "Liechtenstein"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "code": {
                      "description": "Alpha-3 code, numeric code or currency name",
                      "type": "string"
                    }
                  },
                  "required": [
                    "code"
                  ],
                  "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": "2026-11-01T16:34:22.174Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T16:34:21.975Z"
    },
    "resource": "https://reference-data-api.onrender.com/v1/currency",
    "serviceName": "Reference Data API",
    "tags": [
      "reference",
      "iso",
      "currency",
      "fx",
      "payments"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "ISO 4217 currency lookup by code, numeric code or name: name, numeric code, minor units (decimal places for amounts) and the countries that use it officially."
}

What the leaf hashes

{"body":"69a74309a8648c507d2eb9fe36ac7dc4bcbfa45f10a20526c1e1ea996cd7fb0a","id":1789713,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559927933628,"prev":null,"subject":"x402_bazaar:https://reference-data-api.onrender.com/v1/currency","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x787dbfcbe28b99d138dd44bc381b1e7f513fb73deafa68225648cff979bb939e
2. 0xd65983981449f4213edd38ceebf65efe2bb9ef474f36449d540548a49ea1a0bb
3. 0xdf28556490a05a036aef743f0b8348141aa8f742d57c5df6366ac48a8776a3b5
4. 0x80628cbcb1be7d87a887a001c0db41464088b294dd55276e4d39e0817d04a4b6
5. 0xb6f2d6261e04f98a48417107387152a9e5a03a5049e8cfe5808a3bd8c6c8c2ea
6. 0xdbbe30ddd411af30d6a16de0e7113e32142f5d7c05dead62289729842ea6cafb
7. 0xa013462b6f6a9a0dbacef86b559494fafb495d339f96081f645d657f5f2a4993
8. 0x5505d3a61c29b3469376c4866b67a58a05b03197a609173d768090793e53c82d
9. 0x0df4a7ddad9db3496ed88a852db915c1c5bb44f0d970ce81766b981a2427427d
10. 0x1b9ddfd070064d009234ee4d34f64dd433973f9095bb1c603bbbb91185db231a
11. 0xa6a98ec4ed42d3283d1404a5e85e68d1984059995899f705f9ac11d20f447575
12. 0x922a48efb43b08095a30ef6daed1c6435642500c842a9a7064ef609c7b17fa99
13. 0x158885233a7e31127e2842e667a258b12d4e1809863fa73786d7994cec474080
14. 0x7e26f771e19135838a4922e6feed7314ff3896114424cf5c9fb3c97de3545c5c
15. 0x614dbc600bca0766e288d2a5ebb7709ac565230ac6acdc88a5e4a7a5ff53c58e
16. 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90