Evidence row 75327

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://fittings.sh/v1/fx/convert"
    ]
  ],
  "name": "fittings",
  "owner_address": "0xe025442c0d6dc17ad2b9eb888b3565bdfcd98638",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xe025442C0d6dC17aD2b9eB888B3565bdFCd98638",
        "scheme": "exact"
      }
    ],
    "description": "Converts an amount between currencies at the European Central Bank daily reference rate, for the latest publication or any past date back to 1999.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "amount": 250,
              "date": "2024-01-02",
              "from": "USD",
              "to": "EUR"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "amount": {
                      "description": "Amount in the source currency, default 1",
                      "type": "number"
                    },
                    "date": {
                      "description": "Optional ISO date, 1999-01-04 onward. Omit for the latest publication.",
                      "type": "string"
                    },
                    "from": {
                      "description": "Three-letter source currency, e.g. USD",
                      "type": "string"
                    },
                    "to": {
                      "description": "Three-letter target currency, e.g. EUR",
                      "type": "string"
                    }
                  },
                  "required": [
                    "from",
                    "to"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1786826608/bazaar-icons/716f4937536b740e.png",
    "lastUpdated": "2026-10-14T04:08:08.142Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-14T04:08:07.665Z"
    },
    "resource": "https://fittings.sh/v1/fx/convert",
    "serviceName": "fittings",
    "tags": [
      "fx"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Converts an amount between currencies at the European Central Bank daily reference rate, for the latest publication or any past date back to 1999."
}

What the leaf hashes

{"body":"a7b963afce3b3c711fbdfa85d2c947249e3eee6153dc67ef21e80f1fdb8d69ed","id":75327,"kind":"listing","method":"baseline/1","observed_us":1793025490345225,"prev":null,"subject":"x402_bazaar:https://fittings.sh/v1/fx/convert","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. 0x7def734b09ea718239528a5c49be70ad14a25caa67ad6f78eab5fd8b2e3b7f79
2. 0xe67380724c0300a362029120906e3d8db6212898b61e9e4e0c68f7f04fe1f076
3. 0x58929531868939fce25623135ae0d967c2e87062092bea2486cde7dd1b7fe729
4. 0x3dca29a674aa946e0fe9f8d65f505d4eef18517b48d8dd907b54081e567ee2a6
5. 0xcfa5a5dde663fe5b91f9b2a94b7ddf638627f54b5fef7cacad645ac8ef2a5562
6. 0x7eb88add54cdf006df7577d60f53826e3d9478bf548bcdd09d50aaa8474f7246
7. 0x1bb2ea9d3866a68a5223240e586faa7cd54a897ce054a20f22c94b9d9ba38f32
8. 0x67187bbdaed80eb44b4b5ef71bc79ff27d521227642ea3a5eb781bb0295e7a79
9. 0xca4de9d28408d7dddd5546456f374709b11bc58deba5a4057f79915305523933
10. 0x9fa5dbe99ca21068042ed16a3612abec879ae9bc437beeaf788519de22645918
11. 0xaf10e841089e5989890dc77ffce42a46564d25ef15f30d1e35bf53a495483ad4
12. 0xab729e4203b650f2a3c15efd6fd44eb2482232373bc1de662fd9d496869eb2d3
13. 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae