Evidence row 3768209

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://hk-cm-kg.ai/api"
    ]
  ],
  "name": "hk-cm-kg.ai/api",
  "owner_address": "0x0bfd52ea41841d0f1121399167bfe36781d40ebb",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "description": "One paid call on hk-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://hk-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "10000",
        "maxTimeoutSeconds": 300,
        "mimeType": "application/json",
        "network": "eip155:8453",
        "payTo": "0x0Bfd52Ea41841D0F1121399167bfE36781d40ebB",
        "resource": "https://hk-cm-kg.ai/api",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xB2000000000000000000002fEb517dFeC7415344",
        "description": "One paid call on hk-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://hk-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.",
        "extra": {
          "assetTransferMethod": "permit2",
          "name": "OpenUSD",
          "version": "1"
        },
        "maxAmountRequired": "10000",
        "maxTimeoutSeconds": 300,
        "mimeType": "application/json",
        "network": "eip155:8453",
        "payTo": "0xF516E2C54C7cDb5b34857fa35278259ff24fC8bF",
        "resource": "https://hk-cm-kg.ai/api",
        "scheme": "exact"
      }
    ],
    "description": "One paid call on hk-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://hk-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "statement": "the surface's record of record",
                "surface": "hk-cm-kg.ai"
              },
              "receipt": {
                "amount_usdc": "0.01",
                "receipt_url": "https://hk-cm-kg.ai/x402/receipt/{nonce}",
                "settled": true
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {
        "info": {
          "description": "The facilitator accepts EIP-2612 gasless Permit to Permit2 canonical contract.",
          "version": "1"
        },
        "schema": {
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-04T04:37:54.97Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-11-04T04:37:51.845Z"
    },
    "resource": "https://hk-cm-kg.ai/api",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "One paid call on hk-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://hk-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/."
}

What the leaf hashes

{"body":"eb3f2411b820138fcff63b20d2b977bff16f211e6e1d6c5a60728d34775422a5","id":3768209,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793996813214167,"prev":3067501,"subject":"x402_bazaar:https://hk-cm-kg.ai/api","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0x6d6a6da532e71f2b4f33dd85d650b82db04b241e5ebba11dcf8d6ddd2344a7c0
2. 0x66cd60b1ff19e77261e8f1ed3222fddb3f6b4df9162611352e328722ccd60d94
3. 0xcdeab06260cff98816aa6b5ea48f9573e52d6224ba5096189c0318799eaab7fa
4. 0x9762ece7e81abb937f19da2b3a558328512cdb73b86d7cd64392565c6f7c01a7
5. 0xaf280f058bd35f30a7bb4e5e5bc83951a68fb262fa03e6b3883940057740d746
6. 0x988bad1b13eb5f88e92233c992cf94170c9034063e16d27db5a6e1ca138c7c4c
7. 0x76e2d1e57a32b1e6cd6f9bb3598639dfcd14bde787390e9a2dcfa51bf83df409
8. 0x7e0e049a6b318a38a92ce27849e842968a257c4c94063bb08e500ded8a2440a6
9. 0xaf5c185141d0209084fddc7b6508f53eaa9c567b6f851e615a1cec66e4908fc0
10. 0x6cb6f6f4ce219a015ecb222867cceb7ff7809a8869bc9a44b6da58ad66e0639c
11. 0x73f71d15cdf224036f846c4b5d7fc63882209917b19e7fb7ca206d70570c7323
12. 0xcb0fd34682bc6bc4a6f4bc4d486d6032cd4b5150d42043c6ea11b35686e3d124
13. 0x27ed48df83ffac45b69f9cdcea1514e68a511253ebd2c8d528a8d6aba9ea782c
14. 0xe02e716313f6c894f9aba6c60b7f4604a748d028c5f11750f11cfb94f52a57bc
15. 0xf2bc30db87e2aa2afe08f16c1943f967ac74b2e32364ad0b7cb45d2ffee7e447
16. 0x7a2e5c8104eb5015bfa08d52a9278aa0b4da48bd2fb98690cc2d1c225b5dc691
17. 0x4a618d78b1cebba8beec4ef22aaac9187dcdfb39064e0be537ca2600abb90740
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1