Evidence row 2249

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://exchange.use.x402atlas.com/currency-exchange-rate"
    ]
  ],
  "name": "exchange.use.x402atlas.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:137",
      "eip155:42161",
      "eip155:8453",
      "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
    ],
    "category": "",
    "description": "",
    "domain": "exchange.use.x402atlas.com",
    "endpoints": [
      {
        "description": "Get current exchange rate between two currencies using ECB data. Supports all major currencies. Returns rate, inverse rate, and date.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "USD",
            "group": "query",
            "name": "from",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "EUR",
            "group": "query",
            "name": "to",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "Currency Exchange Rate",
        "tags": [
          "currency",
          "exchange-rate",
          "forex",
          "fx",
          "ecb"
        ],
        "url": "https://exchange.use.x402atlas.com/currency-exchange-rate"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "exchange-use-x402atlas-com",
    "integrationType": "",
    "isNew": false,
    "name": "exchange.use.x402atlas.com",
    "networks": [
      "Base",
      "eip155:137",
      "eip155:42161",
      "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.01",
      "currency": "USDC",
      "maxAmount": "0.01",
      "minAmount": "0.01"
    },
    "provider": "exchange.use.x402atlas.com",
    "providerUrl": "",
    "serviceName": "Currency Exchange Rate",
    "tags": [
      "currency",
      "exchange-rate",
      "forex",
      "fx",
      "ecb"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"50bdfc91bd925e97f38772456b2ced3f1b83109a624f2140080a642dc721fcfc","id":2249,"kind":"listing","method":"baseline/1","observed_us":1793025261651589,"prev":null,"subject":"agentic_market:exchange-use-x402atlas-com","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. 0x5aa8e60b6ce6f2ed180ba408365838340ea752da9dc8d8df4ad81d9e62c86966
2. 0x76602c42f0ec97169683a33f847228b218e54bd3c9afe068db718b94f41e9a3a
3. 0xd429af3768d4dd146d8d195b2eb3873005e9c051a5cb1c8cc27707cf77ab7968
4. 0x15a531d933850aa58aee15b043cd6033ae27e427b0fde81527e2f1e54c937e07
5. 0x231ac9e71f3ac14db5b3714f82769dcb81673a77999bd6be2f7826f583e3a549
6. 0x30d5ea68bb3a4169e5bd3c9991cc0576e2569b683e4071a278879b6fa28e9a5f
7. 0x70c6371f88c95f8c107f06b669f88ab572019e6105107b2667c2e5b64a59944b
8. 0x551fd418953c98c9771898eed1d3d941b70e242506f147f035b115c54a52ec06
9. 0xb15202d1c1778091104ee26b81c0e098e095455eb9e6476bd094067a45d11d26
10. 0x1622116357fa2542142143deeb8538ad6f5b0f254675b718611465e74e2937f1
11. 0x31cff173ca81a1fa9b4d9989ccba135fa83af9284e85748cedd858f7cc6cb7c0
12. 0xc4c7772b121e7eab8b40f10646f850453150d76d672e4926bf2534db20273157
13. 0xc8abb13c711b67d9f1ef145286ed450a0f5566f054a4b290ea3d711873bcbe20
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae