Evidence row 64298

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/url_metadata"
    ]
  ],
  "name": "URL Metadata Extractor",
  "owner_address": "0x8647f7d7a1368a467ad1ff757fbc2e7167973558",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x8647F7D7a1368a467Ad1FF757fBc2e7167973558",
        "scheme": "exact"
      }
    ],
    "description": "Fetch a public HTTP(S) page with private-network blocking and extract its title, description, Open Graph image, status, and content type.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "url": "https://github.com"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "content_type": "text/html; charset=utf-8",
              "description": "Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.",
              "fetched_at": "2026-08-07T07:32:39.578Z",
              "marketplace_metadata": {
                "availability": "operational",
                "billable": true,
                "data_mode": "live_source",
                "source": "live public web fetch"
              },
              "og_image": "https://images.ctfassets.net/8aevphvgewt8/4pe4eOtUJ0ARpZRE4fNekf/f52b1f9c52f059a33170229883731ed0/GH-Homepage-Universe-img.png",
              "source": "live public web fetch",
              "status_code": 200,
              "success": true,
              "title": "GitHub · Change is constant. GitHub keeps you ahead. · GitHub",
              "url": "https://github.com/"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": true,
                  "properties": {
                    "url": {
                      "description": "The URL to extract metadata from.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": true,
                  "properties": {
                    "content_type": {
                      "type": "string"
                    },
                    "description": {
                      "type": "string"
                    },
                    "fetched_at": {
                      "type": "string"
                    },
                    "marketplace_metadata": {
                      "additionalProperties": true,
                      "properties": {
                        "availability": {
                          "type": "string"
                        },
                        "billable": {
                          "type": "boolean"
                        },
                        "data_mode": {
                          "type": "string"
                        },
                        "source": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "data_mode",
                        "billable",
                        "availability",
                        "source"
                      ],
                      "type": "object"
                    },
                    "og_image": {
                      "type": "string"
                    },
                    "source": {
                      "type": "string"
                    },
                    "status_code": {
                      "type": "integer"
                    },
                    "success": {
                      "type": "boolean"
                    },
                    "title": {
                      "type": "string"
                    },
                    "url": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "success",
                    "source",
                    "fetched_at",
                    "url",
                    "status_code",
                    "content_type",
                    "title",
                    "description",
                    "og_image",
                    "marketplace_metadata"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T10:55:29.064Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T10:55:28.893Z"
    },
    "resource": "https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/url_metadata",
    "serviceName": "URL Metadata Extractor",
    "tags": [
      "metadata",
      "opengraph",
      "seo",
      "preview"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Fetch a public HTTP(S) page with private-network blocking and extract its title, description, Open Graph image, status, and content type."
}

What the leaf hashes

{"body":"caf8d2e091e7cad5ccdffbbd2fa5a14519e81bc44f444d36b4d53f4a83f7eb81","id":64298,"kind":"listing","method":"baseline/1","observed_us":1793025456433411,"prev":null,"subject":"x402_bazaar:https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/url_metadata","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. 0xa90c8ca1d270760ee0433243f0477e224413f3bf2c94d379ba7bf8feb8699a88
2. 0x05a2a9b7f306dc158f87911c1f9f5e772a8873899eab841b61719426753d9e81
3. 0x1ee25514668b6fdb188a330c8691909fbc918a4038afc9ecc1f0f772bb618b9d
4. 0x58969ab1d67dc954d01e1bb09d84aa5d0409433680888c23b7276bb2a9baaa05
5. 0x9de85293ed6f706957fd3f7941c506dd91a33ca8bba4375d123fcc8acaae88eb
6. 0xa31cc1fe1a10688ae0c609a768d529ae796de7326feba460400e43851dee9584
7. 0xd7ac2145d6379774ada0fb26482b32e4a02ffd580c67e73cabbe9716303618c7
8. 0xd72161ccced3545817ebe122c7a41a7e7c1a888e7759fe5949d12c0e4da6ed9d
9. 0x271d49d71b0eb2011783b4d74c8b9ceef405eaf98c76bd20b3fdeec4dea71b94
10. 0x63b9c21259d86b76d390f144e062a83ac21503bb37e0976ee607f9d0a805ccae
11. 0xcc46e37d035d0d90e3d86104e55f155ffacd1530f11ceef85fa02db50beb78a5
12. 0xb31654882cc5704ae07fa6a4ad12ef5516ea95a5ec8b5affdbdbec199402e29a
13. 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae