Evidence row 278548

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentpage402-demo.onrender.com/v1/extract"
    ]
  ],
  "name": "AgentPage402",
  "owner_address": "0xcba2f3e55b05894ea8787779cc942ce02cc64e4c",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xCBA2f3E55B05894EA8787779cc942cE02Cc64E4C",
        "scheme": "exact"
      }
    ],
    "description": "Extract readable text, metadata, headings, links and JSON-LD from one public static HTML page for research and retrieval.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://example.com/"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "canonical": "https://example.com/research",
              "contentTrust": "untrusted_external_content",
              "description": "A fixed sample demonstrating structured web extraction.",
              "fetchedAt": "2026-10-20T00:00:00.000Z",
              "headings": [
                {
                  "level": 1,
                  "text": "A useful research result"
                },
                {
                  "level": 2,
                  "text": "What this API returns"
                },
                {
                  "level": 3,
                  "text": "A small dataset"
                }
              ],
              "language": "en",
              "limitations": [
                "Static HTML only; JavaScript is not executed.",
                "Source text may contain false claims or instructions."
              ],
              "links": [
                {
                  "text": "About this source",
                  "url": "https://example.com/about"
                }
              ],
              "structuredData": [
                {
                  "@context": "https://schema.org",
                  "@type": "Article",
                  "headline": "A useful research result"
                }
              ],
              "text": "A useful research result\nAgents need readable source material, a source URL, and a timestamp.\nWhat this API returns\nPlain text, headings, metadata, structured data, and links.\nAbout this source\nA small dataset\nExample observationsItemCount\nSources3\nReferences7",
              "title": "Example research page",
              "truncated": false,
              "url": "https://example.com/research"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "url": {
                      "description": "Absolute public HTTP or HTTPS URL on a standard port, without credentials.",
                      "maxLength": 2048,
                      "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": false,
                  "properties": {
                    "canonical": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "contentTrust": {
                      "const": "untrusted_external_content"
                    },
                    "description": {
                      "type": "string"
                    },
                    "fetchedAt": {
                      "type": "string"
                    },
                    "headings": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "level": {
                            "maximum": 6,
                            "minimum": 1,
                            "type": "integer"
                          },
                          "text": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "level",
                          "text"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "language": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "limitations": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "links": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "text": {
                            "type": "string"
                          },
                          "url": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "url",
                          "text"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "structuredData": {
                      "items": {},
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "title": {
                      "type": "string"
                    },
                    "truncated": {
                      "type": "boolean"
                    },
                    "url": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "url",
                    "fetchedAt",
                    "title",
                    "contentTrust",
                    "limitations",
                    "description",
                    "canonical",
                    "language",
                    "headings",
                    "links",
                    "structuredData",
                    "text",
                    "truncated"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T18:23:42.219Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-26T15:18:58.502Z"
    },
    "resource": "https://agentpage402-demo.onrender.com/v1/extract",
    "serviceName": "AgentPage402",
    "tags": [
      "web-data",
      "html",
      "extract"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Extract readable text, metadata, headings, links and JSON-LD from one public static HTML page for research and retrieval."
}

What the leaf hashes

{"body":"4e6f4b1e75bbb364c32eb22a73d9be96414bed94b20c968d85fe41cf7f5075f6","id":278548,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042077605583,"prev":236176,"subject":"x402_bazaar:https://agentpage402-demo.onrender.com/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 2026-10-26 (296695 rows).

1. 0xc41b27bbce5c2639fe8ac39e82875e7ae824b8edfba24be57c1535af24a3c4f5
2. 0x3ec82a262e94430792d677c4d08d650906c32293f5d3bfbbae948f7b95d8a90e
3. 0x0b54fe767cefa9cf95d741d69d678fb2d8739374f3811061eed4a1d195714f11
4. 0x43113a5a6c22d370f619e934d8ddf7aed1ed6ffeef6f0d2286ed1b5e501eed4f
5. 0xf98ae391614e5cee2c7539bfc41c8a2726af98c5d083a784d8b4ad1c0a7875d9
6. 0x8dbd74f2507ce889a27ff31c0dcc80fcaee35b782a523ed8c9e14a221ca29159
7. 0x5aa5117a669648dcdb5432c774ceff9874477102720599577762607cde8f0684
8. 0xc484790e8aa9239e603a13888e56f56947e4d374461876ba4ce38064311de32b
9. 0xb27d4aa33f64f45fa7d713149f17d13b2ee30393cc7a102b9a52040296e5cde5
10. 0xdc850e305944c852a3843d2749ca3439ee04fdbf864b6a8660cc3fd8b5aced96
11. 0x2cd92a66ffb802d7ebc327d20fe07925be80289ee1c2910e6818dc40c67f2487
12. 0x63002f2569d43725bbf2d04d90ec9e6cf925c96b6dda5e7e220ecfbdd9c2444d
13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae