Evidence row 525428

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": "6",
          "l30DaysUniquePayers": "5"
        },
        "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":"0968f23b223f02d53e9e91a9fe4e82fca38164c3631d75ad49a462b907eff8c6","id":525428,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793124756947038,"prev":451521,"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 2026-10-27 (273461 rows).

1. 0x8017190dbc437670958bcc137d8fe0294fcb20f4aa5e5305150d33180e15011c
2. 0xd5f25770359cda23e83961b198894610aa8cf3cfc1d10e33a48ca0786164ac12
3. 0xeb6e7808a15210e9491ee591475487210a32cd9431a42adc26f192bc10fc86b7
4. 0x2f4eccf3afd9fe9387365a9c4f045fc134dca64aa6bf162ab06c6ad934091c55
5. 0xd5e2542dbe085b66848eb942a627579abf334467b3da22f9d1f91ee193a58272
6. 0xe7e2af3f858681dc1800023679f1b89874d0563912d66050fbebe56ea422a7ed
7. 0x85478eba923ec720475405d1f442d06fa3c4027c515ce26d8d83368c83a1977c
8. 0x5c0f2974123fd9b67ee4f329892398a3ab3f004f283a35bcc0ac3907437fa372
9. 0xafaaccb531e3dd7347e085e0c8ca7adb609fb76f6a0ed99280297e39451f4624
10. 0x7b13b5e83796d07f41512bb0ea274d92109c1c9521583d468dbaec41a34a5730
11. 0x77641bdba200eb4cdb0cd7e7ae2756494b9b23a0e9cc5f962e803c9224e7281e
12. 0x233ead52b2b0fe0c87ddc3cb1aef399b68e9e9e33cc2fd50a2643345ab7455ad
13. 0xe38e66e8bf48306ee42504c4df50c2052cc9230af02e2ae6ff66da20232bf797
14. 0xfa0c8e8f1a1710ff197533b0a28208f2e168afe71abb7bb3416e09d1ac371d60
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4