Evidence row 525468

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://fx-reference-rates.mick8511.workers.dev/rate"
    ]
  ],
  "name": "fx-reference-rates.mick8511.workers.dev",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "fx-reference-rates.mick8511.workers.dev",
    "endpoints": [
      {
        "description": "Currency exchange rates from the European Central Bank's official euro reference rates: convert an amount from one ISO 4217 currency to up to 30 others, today or on any date in the last 90 days. Cross rates computed via EUR.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "100",
            "group": "query",
            "name": "amount",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "USD",
            "group": "query",
            "name": "from",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "GBP,JPY",
            "group": "query",
            "name": "to",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.003",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "5"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://fx-reference-rates.mick8511.workers.dev/rate"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "fx-reference-rates-mick8511-workers-dev",
    "integrationType": "",
    "isNew": false,
    "name": "fx-reference-rates.mick8511.workers.dev",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.003",
      "currency": "USDC",
      "maxAmount": "0.003",
      "minAmount": "0.003"
    },
    "provider": "fx-reference-rates.mick8511.workers.dev",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"9cda4622615feb261ebd69d6ca0ff45f9d0136abe5b78594fba1c4a41674cf34","id":525468,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793124757412975,"prev":2407,"subject":"agentic_market:fx-reference-rates-mick8511-workers-dev","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xe6ccd423fc1c2d84d183e240c8dbe522b0e55282c06c973bf4275739487a2c9d
2. 0x511b747b045a4845b300ef7fd2e3d09a730d23e4de7c5969be030c907c305c6f
3. 0x26f33a8a0660da006875d88ad7208e41d31ab59e2d7da372321e6c51bea209c9
4. 0x846885eb2e0fefa8cb248106323ef30c3793e9013e54acddf4dcb9f18cde93b3
5. 0x1e7d342fd8b191afb8fd84c0485750768bbf5188a5d2f64ae9446d19ad877e4b
6. 0x0eab8e1ba35c3a767b7496a42bdd7371c86095ec2c1419f036f3a8448db334fe
7. 0x9b2aa039a22c930ec193bf99a5c5bc34e2c6345b3f3250e925622f0a011f8bd1
8. 0xbf3d0b83c818a198f1bfe369596060bda896711fe481254f2fbe3c93354467ce
9. 0x88a3c0848003c780e7952b3b723d41a750bc5f6e8aa977d279d3b5e4f60f990f
10. 0x8896363d18a5cfe0154b434ff2241b58169d1c6c98537aa814262b96f9a64e87
11. 0x27777a9ff9447785be83317401e6f0310ebd43498467f01fedc3424c0ea9deb5
12. 0x4f9b484326a98846a2342f967ce1e64ee9fa304288bb4355ab666475eb77b61c
13. 0xab6eb305329046d5ccb835dd8ca955f794e3ca110379a94dbdc780d016448561
14. 0x41f9f462759cb539183e979fb3eb967d94755cf039c44a64a9a3c4ad97523cfd
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4