Evidence row 266177

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": {
      "lastCalledAt": "2026-10-26T15:28:15.154Z"
    },
    "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":"93839fedb3a3ae2c0949c3ddff63f6cd2d140962c29c0325dce0b3851a1ea6d6","id":266177,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793035109446552,"prev":null,"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. 0xde670271ddd2b1a45561ccb4db7113c3e7ff2d61d94c70ce9f0bf695bbff2a26
2. 0xad98b561d5932b136f07860e8b3f2eb27e1464e3a45aa00b705ad303290f83f1
3. 0x4789a73d8baa49c073c85790e1ff066c1973f1641226499d4a546ff50b36f22a
4. 0x2bc2e808b5cf756644b0713904271c5cb640b1f6c1d91f51c75db470653da36c
5. 0x6b8b7ac37d45bd85b22fb3f46e7a5bd90d7fa36eff34e102b572e6abd5af223a
6. 0xec75068d144895141483db7448516cafd4b0ef0c35114ddb480bee9b078c3e7d
7. 0x013a78e43f0f22265c63d1abaf3b426e5aefe76d6336092f3c357b65c0dec1aa
8. 0xee7e1e1638cc8f872a6e973cd267f5d44f8ff0e8d90ad348cb71fc8b3d665640
9. 0x90f31318bc82c2efd70ef8f428dd812029c877364777efb309b6cd0e23a8c458
10. 0x2d9d6462afc5b1463c70c3ad7bab0bbd60dd232ca8386916ee54414b71a3db6e
11. 0x85202061e6a75f8df085f0bff56604cbc8349d53f71525ea3c173296a57488dc
12. 0xd5d3f9a510ef9bc1156a86fc24b9d0c3a67b96d7c1dad1563f35f879e0ac9b4b
13. 0xa4edde833302b48399053e2519aea1aed1074cd102bf4b553643df1866cce4ec
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae