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Evidence row 257603

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://serp402.com/api/v1/baidu-news
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e439b0986da9a3665959b4017d1134f70979d8b831c182e83e0818e806ce0476
Leaf
0x22925825797c204e72cb7bcd666f07c70b5ed99330b34b03d2f562810d2dbda2

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://serp402.com/api/v1/baidu-news"
    ]
  ],
  "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": "Baidu News: Search for keywords by language, with sorting and filtering options. Available in an easy-to-understand JSON. 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": {
              "q": "xiaomi"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "endpoint": "baidu-news",
              "meta": {
                "latencyMs": 1400
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": true,
                  "properties": {
                    "ct": {
                      "description": "which language to restrict results. Available options: 1 - All Languages. 2 - Simplified Chinese 3 - Traditional Chinese.",
                      "type": "string"
                    },
                    "medium": {
                      "description": "medium filtering for results. Available options: 0 - No filtering 1 - Show results from medium sites 2 - Show results from Baijiahao (baijiahao.baidu.com)",
                      "type": "string"
                    },
                    "pn": {
                      "description": "result offset. It skips the given number of results. It's used for pagination. (e.g., 0 (default) is the first page of results, 10 is the 2nd page of results,…",
                      "type": "string"
                    },
                    "q": {
                      "type": "string"
                    },
                    "rn": {
                      "description": "maximum number of results to return, limited to 50. (e.g., 10 (default) returns 10 results, 30 returns 30 results, and 50 returns 50 results).",
                      "type": "string"
                    },
                    "rtt": {
                      "description": "sort type for results. Available options: 1 - Sort by attraction (default) 4 - Sort by time",
                      "type": "string"
                    }
                  },
                  "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": "Baidu News 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/baidu-news",
                "scheme": "exact",
                "validUntil": 1793028538,
                "version": 1
              },
              "signature": "0xd9f6d45514fc51950d63ddfbbfaad639f1d2ce5a30659397fc8a6debfb1de50d3c4b20fc7354b079708af5cb22e7c6efcdc5423d348c8c547b782d3d82e7ec291b"
            },
            {
              "acceptIndex": 1,
              "format": "eip712",
              "payload": {
                "amount": "50000",
                "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
                "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
                "payTo": "6srFz6v3mSUWBmz6Fx2XUaHQGHCNFJ59z85Cp9UDCvbK",
                "resourceUrl": "https://serp402.com/api/v1/baidu-news",
                "scheme": "exact",
                "validUntil": 1793028538,
                "version": 1
              },
              "signature": "0x5c664806c18e95772bd8f6d5e8d3d7e86393ee0a7d6e3a018056ef4567a2d63312b37dc2205a6e408b2fd52b3a3c8abb4431c86439b904fe4bc697490408836f1c"
            }
          ]
        },
        "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": "2026-10-26T15:26:58.578Z",
    "quality": {
      "lastCalledAt": "2026-10-26T15:26:58.578Z"
    },
    "resource": "https://serp402.com/api/v1/baidu-news",
    "serviceName": "serp402",
    "tags": [
      "news",
      "baidu",
      "x402",
      "agents",
      "api"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Baidu News: Search for keywords by language, with sorting and filtering options. Available in an easy-to-understand JSON. 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":"e439b0986da9a3665959b4017d1134f70979d8b831c182e83e0818e806ce0476","id":257603,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793029767567762,"prev":null,"subject":"x402_bazaar:https://serp402.com/api/v1/baidu-news","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x22924ffdd838b52976fc6dafd9df2e61a34bf32d8cb67e0bd471806c081cccb1
  2. 0x7090bc7de5650cc8a84135c736acf52a7f68e092bc173de6590cae53d47b7c8e
  3. 0x666ed761b89eeb16fc779607069aab91e0636c5769e270b7e9d94e8c5cea5a98
  4. 0x48e505360663a7454d14a314fe303e0e0139e857a0a2e0f41b122a05266062cf
  5. 0x8361067073357aa90171aa38edb4d09935cb3f18e06d072df51a1937403b2468
  6. 0xf7dcd39e91fdb5fd42bd28c85e9f4f7505399d1604869ac48eb99b8fa675c245
  7. 0x4e3632b9649d6b631ccc789edee4d6f6829bb1c7a323db1e2a74e45835dc6b2e
  8. 0xba7abf095b465e1c8fa9766d9d0ab36fc14cdcd9f62f102c5603b654b163ff99
  9. 0x6e3e7d9cc99aaae71515776adecc401c1876743e11252f00e02ea65f8494b6fc
  10. 0xd81c3cf131471d45d342b29a60570fa24072a4e8fc4286cf312da4677e4d486d
  11. 0xda2a271b0447c8ac22315d2ea7582e04968ddef46c7cbd29d7462934a9b3b37a
  12. 0xac5b705d705b0f1bc42cf2ad1a7f1f197ea96178ce0704432cbb5d556e8671a4
  13. 0x9d75d4d3ab6219edefa04be60b32fdd56be7a7672f370a5115f02f7b098ecd27
  14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
  15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
  16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON