Evidence row 3970628

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://kr-cm-kg.ai/api"
    ]
  ],
  "name": "kr-cm-kg.ai/api",
  "owner_address": "0x0bfd52ea41841d0f1121399167bfe36781d40ebb",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "description": "One paid call on kr-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://kr-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://kr-cm-kg.ai/api",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xB2000000000000000000002fEb517dFeC7415344",
        "description": "One paid call on kr-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://kr-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://kr-cm-kg.ai/api",
        "scheme": "exact"
      }
    ],
    "description": "One paid call on kr-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://kr-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "statement": "the surface's record of record",
                "surface": "kr-cm-kg.ai"
              },
              "receipt": {
                "amount_usdc": "0.01",
                "receipt_url": "https://kr-cm-kg.ai/x402/receipt/{nonce}",
                "settled": true
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$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": "2026-11-04T04:06:32.317Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-11-04T04:06:32.082Z"
    },
    "resource": "https://kr-cm-kg.ai/api",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "One paid call on kr-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://kr-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/."
}

What the leaf hashes

{"body":"bb61a676469576509b612189465fb245906ddc05c75f3eb77308051164b43212","id":3970628,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083656608459,"prev":3767505,"subject":"x402_bazaar:https://kr-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 2026-11-07 (195826 rows).

1. 0xed697f36695467cd517aef67fdecd3c95c32686a2c644c0380c02ff3884716ce
2. 0xcf29f490b73eff0fdd96d553be4cbdffd33fe24915597478493c8dedc3147d76
3. 0x49c07601e2ff6c020700854182ec8b7ffd523f294c90482dc939bf266066e72f
4. 0xc9085bc96c6617798f49c9d4d4d123b57d1be752a3b694e704d9e61d64938e02
5. 0xb913b5e6ebeb5dc1c75eaa8ee090922d5904d4d835e2d4e8c2557a77d28f6145
6. 0xab7d3ef5d4b7638d91242adc532da58031c814049503835b59d3e577567ea72a
7. 0x724945eff5c608d1f9920fd5d389cfc8302b5c09c284293746b8bd79b9294acd
8. 0x12654a849b00f26aee1f5a3a1f822de0eeffd90edc77c111766e02d00022397a
9. 0xc992919f19e55008bc3d3ffd38268ed23c7cb0f4cdba6dd84d9f081bd62739f8
10. 0x7296d1b00f408f6b57eca597df98112b6369151c669fedd9ff8780ccca69565e
11. 0x9f3b856e9a6846a75c13cfd17b703da7545065eb1189bfef36f8b76545150b44
12. 0x87acce77df29e8c81b4d7f9fdadb9b4738a681812af886fe197d489ce8b4d569
13. 0xa246de0ecf2c7ea6bb3364bd51f238e41f260c2a06f814448edd91148e5d0d71
14. 0xf43413f83ed03b7c7cf9da72bbeca9e32610d671fd1e4e2b0c0cf6b3d8b94516
15. 0xb6dc07358d0932b83c713d4c82df6764849db6e58ee1c7cbc06d03f381a6b36b
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa