Evidence row 1964

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://counterpartycheck.com/v1/check"
    ]
  ],
  "name": "counterpartycheck.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "counterpartycheck.com",
    "endpoints": [
      {
        "description": "Pre-payment counterparty risk check for AI agents: OFAC sanctions (names, aliases, wallets), domain age and email authentication, vendor and executive impersonation domains, routing/IBAN/SWIFT/wallet validation, and invoice-fraud signals. Returns proceed/review/block, explained findings and a signed receipt.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": null,
            "group": "body",
            "name": "context",
            "required": false,
            "type": "object"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": null,
            "group": "body",
            "name": "counterparty",
            "required": false,
            "type": "object"
          }
        ],
        "pricing": {
          "amount": "0.25",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://counterpartycheck.com/v1/check"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "counterpartycheck-com",
    "integrationType": "",
    "isNew": false,
    "name": "counterpartycheck.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.25",
      "currency": "USDC",
      "maxAmount": "0.25",
      "minAmount": "0.25"
    },
    "provider": "counterpartycheck.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"ecc0779fd1911bd5b27f271f823e87d70da31841cf1760760f5a410aee662842","id":1964,"kind":"listing","method":"baseline/1","observed_us":1793025259880260,"prev":null,"subject":"agentic_market:counterpartycheck-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. 0x939087ebffb717f9713de0ea0084587237a231442966d1bd3c10f79d262d84dd
2. 0x3fcc8843ec8a352244bc98a21135267d38f560b37a8db9b8bed2cf830dfac2d0
3. 0x03d690b6a24107bf5ad4af72fb1d6a82468dbf17328695588a65a817ac3811cc
4. 0x73946c648602ece8dd457e573a5f85b8cbedcaae2248f45a156d9c32d9b772cf
5. 0x7df69bdb3745a30d886ca176628538be8db5fd29de2c711737e8cf2693ba5614
6. 0x471e998f17480ae9a73c383f74344ba00efd5ab43a5ba68d68a131cbe88af905
7. 0x867d7fc24f5ed10b05f29ae3a2748dc2b56d69232883fa1e4d81c9f511f4ef11
8. 0x7a551024620833b5701814d9551a08404cf5e8dfb760c7abf58f3ce06931d1c9
9. 0x9c935e0d4bfff802c2c603de72b42f45c679ee9ab100bb7283c50b183356680c
10. 0x1452bac1c16ed1a13fd24d016370307a5402f74d73cad5641a5508fdb4d2c5cb
11. 0xcd52656344e352446858a7d55feb9336b07dd3ad98715c122aaf69d4eb3d6ca8
12. 0x3b55f6d5345bce3e1332e014f19526d25328fb6283d3518837a015c3621c0d1c
13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae