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Evidence row 266159

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://serp402.com/api/v1/extract
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
30b7d4622d6ab0db3a8dc92d9079deeb665ba06d1955d08e87e531568f142856
Leaf
0x81a27d273b6c78a1ea7d8f69619bcdb73e9b1cd6c07c05ee6bf770e282db78eb

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://serp402.com/api/v1/extract"
    ]
  ],
  "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": "Extract: Extract results, returned as 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": {
              "url": "https://en.wikipedia.org/wiki/Coffee"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "endpoint": "extract",
              "meta": {
                "latencyMs": 1400
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": true,
                  "properties": {
                    "device": {
                      "description": "device to use to get the results. It can be set to desktop (default) to use a regular browser, tablet to use a tablet browser (currently using iPads), or…",
                      "type": "string"
                    },
                    "exclude_tags": {
                      "description": "a comma-separated list of CSS selectors to remove before parsing, e.g. nav, footer, .ads, #cookie-banner .",
                      "type": "string"
                    },
                    "include_inline_assets": {
                      "description": "whether to include inline and blocks, with their content, in stylesheets and scripts . Default: false .",
                      "type": "string"
                    },
                    "include_markdown": {
                      "description": "whether to add the page's main content as Markdown in text_content.markdown . Default: false .",
                      "type": "string"
                    },
                    "include_sitemap": {
                      "description": "Used with mode=map . Parameter defines whether to also read the website's sitemaps, from /sitemap.xml and /robots.txt . Default: true .",
                      "type": "string"
                    },
                    "include_subdomains": {
                      "description": "Used with mode=map and mode=crawl . Parameter defines whether to include other subdomains of the same website, e.g. blog.example.com when starting from…",
                      "type": "string"
                    },
                    "include_tags": {
                      "description": "a comma-separated list of CSS selectors to keep, e.g. article, main, .post-content . Everything else inside is removed before parsing.",
                      "type": "string"
                    },
                    "max_depth": {
                      "description": "Used with mode=crawl . Parameter defines how many links deep the crawl follows from the starting page. 0 extracts only the starting page. Default: 2 .…",
                      "type": "string"
                    },
                    "max_pages": {
                      "description": "Used with mode=crawl . Parameter defines the maximum number of pages to extract, including the starting page. Default: 10 . Maximum: 100 . Each successfully…",
                      "type": "string"
                    },
                    "mode": {
                      "description": "extraction mode. It can be set to: scrape (default) - Extract a single page. map - List the website's URLs from the page links and sitemaps. crawl - Follow…",
                      "type": "string"
                    },
                    "prefetch_delay": {
                      "description": "a delay in milliseconds before the first page is fetched (0–10,000). Default: 0 . The Extract API doesn't run JavaScript, so this is not a rendering delay.",
                      "type": "string"
                    },
                    "timeout": {
                      "description": "HTTP request timeout in milliseconds (1,000–120,000). Default: 30,000 (30 seconds).",
                      "type": "string"
                    },
                    "url": {
                      "description": "URL of the page to extract. It must be an absolute http or https URL.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "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": "Extract 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/extract",
                "scheme": "exact",
                "validUntil": 1793028702,
                "version": 1
              },
              "signature": "0x7945adc8cfabcee3be651a2a1373653bdb91589d935339e5e7470da2289fa9436b24e6219e0d21be871b31389ccf27bc1de4e0f456580b7e48a44ff6cbd16e701c"
            },
            {
              "acceptIndex": 1,
              "format": "eip712",
              "payload": {
                "amount": "50000",
                "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
                "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
                "payTo": "6srFz6v3mSUWBmz6Fx2XUaHQGHCNFJ59z85Cp9UDCvbK",
                "resourceUrl": "https://serp402.com/api/v1/extract",
                "scheme": "exact",
                "validUntil": 1793028702,
                "version": 1
              },
              "signature": "0xd55cbc16cbd37392ec7f3824c4c84020db057d292c0b1da8dd55fd8293e367370ab23b29eaac3c210ff14b5cc2bfa4bbcf88b24f758a04dcee142c435374980c1b"
            }
          ]
        },
        "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": "2026-10-26T15:29:42.731Z",
    "quality": {
      "lastCalledAt": "2026-10-26T15:29:42.731Z"
    },
    "resource": "https://serp402.com/api/v1/extract",
    "serviceName": "serp402",
    "tags": [
      "extract",
      "x402",
      "agents",
      "api",
      "json"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Extract: Extract results, returned as 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":"30b7d4622d6ab0db3a8dc92d9079deeb665ba06d1955d08e87e531568f142856","id":266159,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793035109388565,"prev":null,"subject":"x402_bazaar:https://serp402.com/api/v1/extract","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. 0x81a24756437a2eb7c2be7e37d3bf77b5199d2dcc73ebe86a095258d218fcfa9a
  2. 0x2c3f05cbd1f049c2bf582bacb97056234109c62a09cfc32009188efba9bca1ca
  3. 0x2fab103817e1a5fc94b7d466be671fd319c4a345750f219650851eab7b4148ad
  4. 0xf2d9b029194468f4b869d6a64e7ad152886a2a49bbbc5b0d8287e254cfb376c9
  5. 0x06e49a6b6fe305766422abead7c7653bd21439645c825c7567f4488c55cbbeed
  6. 0xb5bfa997b857ecb3aad7732e557efc90290fbb448b45dda821fab6c99aea2f39
  7. 0x50b121a474c3c754e223c005dc9d7102054a0753b50caf3c2486c5b38ed0f324
  8. 0x78df2c74b8823145a61e40b3bf1ef689d3ce742af870100a98dfa199271a5c55
  9. 0x5867d35f24bc5f98bf668501b7f9e3220fc345ee15adf4387406732818e220a2
  10. 0xbdc4a4c8cadfe346c042615305bf6ada497fa5128db30e977a80cb6245a189d3
  11. 0xb998e012b473bde18346485cd0b7b8b31ab48d5f22ba9bc660bb2e523161e255
  12. 0x08155d70132f82e370214fc5b72194dfa6f5e57670b7bcf74776e8418302897e
  13. 0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
  14. 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
  15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
  16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON