Evidence row 279246

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://serp402.com/api/v1/bing-product"
    ]
  ],
  "name": "serp402",
  "owner_address": "0xaa1252d726567293cffe6ca495e32c6aecfdc56d",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xAA1252D726567293cffE6Ca495e32c6AEcfDC56d",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "6srFz6v3mSUWBmz6Fx2XUaHQGHCNFJ59z85Cp9UDCvbK",
        "scheme": "exact"
      }
    ],
    "description": "Bing Product: Title, link, price, reviews, and more. Structured JSON, USD 0.05 per call in USDC — no API key, no account, no subscription, no minimum. Not affiliated with, endorsed by or an official channel of any of the services the results come from. All trademarks and copyright remain the property of their respective owners.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "product_token": "rOpeF3iclU5LbsIwEFUPQzbdxHGI7UUWCEpg0RI17CvHHtOokcf4o5ar9jQNJBfoZkbz5v1-nzbXeovGAGRmGCP4UAcFVvoBV1SuioKwaTxfzjcHM0Af91HPV_eVPpQhHHIj-JopwUkONGe81KykheKi6hfBQYbPxVMwWhBO2ezdjNjL8TSV8EcdFspakKqsOOWM3EmbpLZoI_zEJg1Ldn5_NB6Te7FxiLf_dnpD2zm0AT3oR_osP_sE08qcR51UdPICdZywbH96f627Q9vu2qz3-B1m_A_xj2Dp"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "endpoint": "bing-product",
              "meta": {
                "latencyMs": 1400
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": true,
                  "properties": {
                    "product_token": {
                      "description": "token needed to retrieve specific product details.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "product_token"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": true,
                  "description": "Bing Product results as structured JSON. The shape follows the source, so fields differ between endpoints; identifiers and routing belonging to the collection layer are stripped.",
                  "properties": {
                    "attribution": {
                      "description": "Where the data comes from and what was done to it. Keep it with the results if you pass them on.",
                      "type": "object"
                    },
                    "endpoint": {
                      "description": "Which endpoint answered.",
                      "type": "string"
                    },
                    "meta": {
                      "description": "How long the call took.",
                      "type": "object"
                    },
                    "paid": {
                      "description": "The settled transaction and network.",
                      "type": "object"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "offer-receipt": {
        "info": {
          "offers": [
            {
              "acceptIndex": 0,
              "format": "eip712",
              "payload": {
                "amount": "50000",
                "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                "network": "eip155:8453",
                "payTo": "0xAA1252D726567293cffE6Ca495e32c6AEcfDC56d",
                "resourceUrl": "https://serp402.com/api/v1/bing-product",
                "scheme": "exact",
                "validUntil": 1793028615,
                "version": 1
              },
              "signature": "0x2001fc708dea5b497bccdcea22c871b878731c807d06531541b53455301e9743523db0392c888c64d641d69256d15ff9f978f9c880386c5c4314fa13b53521e51b"
            },
            {
              "acceptIndex": 1,
              "format": "eip712",
              "payload": {
                "amount": "50000",
                "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
                "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
                "payTo": "6srFz6v3mSUWBmz6Fx2XUaHQGHCNFJ59z85Cp9UDCvbK",
                "resourceUrl": "https://serp402.com/api/v1/bing-product",
                "scheme": "exact",
                "validUntil": 1793028615,
                "version": 1
              },
              "signature": "0xa722606a8f4e4cd3e1909adb231590db9c9434495b0009c7440286b4456b618435550b6a0666f9ef5e7a8ca29975d6cbcc179960ac494e0bc135da072ce9a93b1b"
            }
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "offers": {
              "items": {
                "properties": {
                  "acceptIndex": {
                    "type": "integer"
                  },
                  "format": {
                    "type": "string"
                  },
                  "payload": {
                    "properties": {
                      "amount": {
                        "type": "string"
                      },
                      "asset": {
                        "type": "string"
                      },
                      "network": {
                        "type": "string"
                      },
                      "payTo": {
                        "type": "string"
                      },
                      "resourceUrl": {
                        "type": "string"
                      },
                      "scheme": {
                        "type": "string"
                      },
                      "validUntil": {
                        "type": "integer"
                      },
                      "version": {
                        "type": "integer"
                      }
                    },
                    "required": [
                      "version",
                      "resourceUrl",
                      "scheme",
                      "network",
                      "asset",
                      "payTo",
                      "amount"
                    ],
                    "type": "object"
                  },
                  "signature": {
                    "type": "string"
                  }
                },
                "required": [
                  "format",
                  "signature"
                ],
                "type": "object"
              },
              "type": "array"
            }
          },
          "required": [
            "offers"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T15:28:15.154Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T15:28:14.966Z"
    },
    "resource": "https://serp402.com/api/v1/bing-product",
    "serviceName": "serp402",
    "tags": [
      "commerce",
      "bing",
      "product",
      "x402",
      "agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Bing Product: Title, link, price, reviews, and more. Structured JSON, USD 0.05 per call in USDC — no API key, no account, no subscription, no minimum. Not affiliated with, endorsed by or an official channel of any of the services the results come from. All trademarks and copyright remain the property of their respective owners."
}

What the leaf hashes

{"body":"ca29b86468a5113e9a63b634448c2e6bad50b0c271bd86776cb88be16df3b3de","id":279246,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042182593963,"prev":266177,"subject":"x402_bazaar:https://serp402.com/api/v1/bing-product","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. 0xfa1f7cc7253f0fcde3e5194455ee21a760231f8766dfc38f270bec4f3981843d
2. 0x76890d5aa8223918e3fff95227583f4c5ea33b34fe69d07bcd2cd44661faa10d
3. 0x3908517fc91bb696fc1411775d4ab48038eb41c948fdcc0bca7805cdaf95b8ec
4. 0x19bba4de680ec9836cbb91f41a6c67b8824e1910d0f4ff60e154307761c1c9f7
5. 0xb3b4e7a22d9c650d0f153026e9bbbd3c7d78925007a861b2261a02bd31ff27c9
6. 0x802a664af71cff97e062d989a76a508a0ca8ba6da7e799a8083e929b81ac361d
7. 0xcbbbbf5f32bde4f8f8d02da171f34a13eb06046335ef997680e08f0aa1f8b956
8. 0xceb30194a6d11bb13476c9e5ffbab1c108553b1fbf11c748dcda18b2e5f929c9
9. 0xf1f4138dec789ae0d7e7641b12de242c3d49f34e378b235be08cf57d85ad35dc
10. 0x594aa12c66cb1a589bf8523cd0b663bbc2d80e013a2e69ee6b047a4aa23b26a7
11. 0xc1f00d9dcd67fe1d14473197e5f14f3efa26c1e1569cc2a3172842f28c850633
12. 0x08d20884523152a869ac5da32efc7de7b28316f6e9c2a28242f5ea9da742852f
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae