Evidence row 4161505

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.novarithm.com/agents/v1/payments/usdc-balance"
    ]
  ],
  "name": "api.novarithm.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "api.novarithm.com",
    "endpoints": [
      {
        "description": "Current USDC balance of an address on Base or Base Sepolia (balanceOf on the official Circle contract).",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0xe414aD5c7542CE63D890526f0e2133ff8da6F22D",
            "group": "query",
            "name": "address",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "9",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "USDC Balance on Base",
        "tags": [
          "usdc",
          "balance",
          "base",
          "wallet",
          "agent-payments"
        ],
        "url": "https://api.novarithm.com/agents/v1/payments/usdc-balance"
      }
    ],
    "enriched": false,
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793688678/bazaar-icons/d9c569891dbe991d.png",
    "id": "api-novarithm-com",
    "integrationType": "",
    "isNew": false,
    "name": "api.novarithm.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.001",
      "currency": "USDC",
      "maxAmount": "0.001",
      "minAmount": "0.001"
    },
    "provider": "api.novarithm.com",
    "providerUrl": "",
    "serviceName": "USDC Balance on Base",
    "tags": [
      "usdc",
      "balance",
      "base",
      "wallet",
      "agent-payments"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"92c7cee14f4127b116601ca87a33091a7912bf52b8cc91ae98cfbc80773850c5","id":4161505,"kind":"listing","method":"sync.agentic_market/1","observed_us":1794162725853813,"prev":3439257,"subject":"agentic_market:api-novarithm-com","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-08 (183509 rows).

1. 0x8c996a6edc0a4d72291f4318e2d95b9ea0ab0da4a736d1581d15815ae31a2bcb
2. 0xfae0c9b857533b9fe693e487a6c2ce46cc9b92c0b3f66fe74a859373ccd466d3
3. 0xbf472379b49f6826684d987fd7ad1001b45a89868d52d4cf47721f6ab0ff7ffc
4. 0xfb3dbe37fb23808f5f6b0b8e135467c28e30ad330481936ea64d4088ec02dd7e
5. 0xb305f48d9fea15f5456da0f586851a1d1b8796469f154726e9fcc6b81e231bf9
6. 0xd1c4f52b261755223c2c1db77b9ed4a3933e3f2f2d28b843b03787a9cbd14c47
7. 0xd61bf0682e0b985396bb89a4c5497a719f857ea63ab38ac3743a4bed1c3023f7
8. 0x016935b144a1094c3e55d2b0645685fcceb1882a9c598b4d69d373a2869fc7b7
9. 0xeec163b9b3d43c9486f6d1eede68715469c2fc739a3654fb64319f52a6cdeb67
10. 0xe89e7e2ef5d34968c3cf5894b3a708e1a3b55562f5a8420a41ed07e1670fa76f
11. 0xd4ca187aa02a3152d0f2e130b349a7807735f1b8f14930c6bb31f524d41c9fb2
12. 0xfd3258f76e8ab3e50a2d56da1bec1dcda53753150715c867c2810b7a10554fa3
13. 0xdb278c96d83265251a5c88d6a3731427826bf90df73a2a4d5f1391a50a319c75
14. 0xfefee2095572e6e0834fb05d7d7a858ae8f57288bd41c5891a60c6286b9e07a8
15. 0xd940d63ce3037598bb824acb7b8507d1a292860dcd46c4107cbb045adc40cd3f
16. 0x15fcf46472196b84319db11d0928bd9a7c1bffd0bf592e61363ef0eddd378bc6
17. 0x45874ada32d7ee6c17eade12dec01ab7504d43d23be0d9dbb51e642eb39966a4
18. 0x1f0ff2af9da38fef1beef5d2dbcf41f592dca17729b7ab9b9c0b6ef354dc3b83

Day root

0xbf84ec37f88c5f23d2144bd7dbc1ea0f8edc93b3764a885a7164b7923ff3460b

Chained

0x9fea188e4965f50de727e97c40e18d5ff2c2ddbfd4f1ae65e22ddd6f676bccfc

Published

On Arc Testnet, block 71451618: 0xb5273480942a54cd07f291b8319e59976f8d9d0583181c764eed04c9b3f7a022