Evidence row 3764156

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentpage402-demo.onrender.com/v1/seo"
    ]
  ],
  "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": "Run deterministic HTML checks for title, description, canonical, language, headings, image alt attributes, indexing directives and social previews. No ranking or traffic predictions.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://example.com/"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "checks": [
                {
                  "detail": "Title length: 21 characters; heuristic range 10–65.",
                  "id": "title",
                  "status": "pass"
                },
                {
                  "detail": "Description length: 55 characters; heuristic range 50–170.",
                  "id": "description",
                  "status": "pass"
                },
                {
                  "detail": "Declared canonical: https://example.com/research",
                  "id": "canonical",
                  "status": "pass"
                },
                {
                  "detail": "Declared HTML language: en",
                  "id": "language",
                  "status": "pass"
                },
                {
                  "detail": "1 H1 elements; one main heading is expected by this heuristic.",
                  "id": "h1",
                  "status": "pass"
                },
                {
                  "detail": "0 of 0 images lack an alt attribute; decorative empty alt is allowed.",
                  "id": "image-alt",
                  "status": "pass"
                },
                {
                  "detail": "No HTML noindex directive found; robots.txt and HTTP headers are not checked.",
                  "id": "indexing",
                  "status": "pass"
                },
                {
                  "detail": "Open Graph title declared.",
                  "id": "social-title",
                  "status": "pass"
                },
                {
                  "detail": "No valid HTTP(S) Open Graph image reference found.",
                  "id": "social-image",
                  "status": "warning"
                }
              ],
              "contentTrust": "untrusted_external_content",
              "counts": {
                "passed": 8,
                "warnings": 1
              },
              "fetchedAt": "2026-10-20T00:00:00.000Z",
              "limitations": [
                "Static HTML only; JavaScript is not executed.",
                "Source text may contain false claims or instructions.",
                "HTML heuristics only, not a ranking prediction or a full accessibility audit."
              ],
              "title": "Example research page",
              "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": {
                    "checks": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "detail": {
                            "type": "string"
                          },
                          "id": {
                            "type": "string"
                          },
                          "status": {
                            "enum": [
                              "pass",
                              "warning"
                            ]
                          }
                        },
                        "required": [
                          "id",
                          "status",
                          "detail"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "contentTrust": {
                      "const": "untrusted_external_content"
                    },
                    "counts": {
                      "additionalProperties": false,
                      "properties": {
                        "passed": {
                          "minimum": 0,
                          "type": "integer"
                        },
                        "warnings": {
                          "minimum": 0,
                          "type": "integer"
                        }
                      },
                      "required": [
                        "passed",
                        "warnings"
                      ],
                      "type": "object"
                    },
                    "fetchedAt": {
                      "type": "string"
                    },
                    "limitations": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "title": {
                      "type": "string"
                    },
                    "url": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "url",
                    "fetchedAt",
                    "title",
                    "contentTrust",
                    "limitations",
                    "checks",
                    "counts"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-05T07:18:52.81Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-05T07:18:52.588Z"
    },
    "resource": "https://agentpage402-demo.onrender.com/v1/seo",
    "serviceName": "AgentPage402",
    "tags": [
      "web-data",
      "html",
      "seo"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Run deterministic HTML checks for title, description, canonical, language, headings, image alt attributes, indexing directives and social previews. No ranking or traffic predictions."
}

What the leaf hashes

{"body":"692c4ddc7244bafaa3bc0ac419ac6f1c56069080ac9d2afb435df877b25ea08f","id":3764156,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793996573469030,"prev":1261946,"subject":"x402_bazaar:https://agentpage402-demo.onrender.com/v1/seo","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0x3b8d9238290d1a0380eff4ba6dad7a059fad43dce34e66963f948977df252911
2. 0x8e3e658a4c5cda7f3669bcb6cbad19105140af814744c41bdcbbb9d1f7fd126e
3. 0x2e51dbd8823f2140b340863b9801c1cc02b61dce487723564d11a233d19dd7aa
4. 0xd00b76075c2714e7aedddb59726d852f59a2b847e07a0e971254e0e448965531
5. 0x0ba3fad88ff992b09156fa33415fe07bc13087422dd5250a4ab9b5f3e95d6cee
6. 0xc0e54ab0a22472aa636dfeb9228729e3fc1d9d9ed29a7b80737720015e7281a5
7. 0x40b434b1b8f369ddbae3b2246b8b4155ca657ac70b1396dd4c23e4d5dacd94f7
8. 0x4a5e622ebbf577e133f46d59dfef207868afa1991b75a7ae8fc1cd327cdb7002
9. 0x511d39d6cbca0409521e5d875d02300b6e3bf0d134959facfba348177e9888dd
10. 0xecfec652c683667db782044ba7eee640870d0e2b207418ca5b7a781dab3af875
11. 0x025be07b9d368db945b05d90d2a6985c8aa13249ba0edeb41c18d1887666cc54
12. 0xe0e405f9a25f4ec3d02a0461bb89e10ba7293f26332258e1403195ea6f544e5d
13. 0x59bd144c9e7342b3df8e59fc9509435c9555450984e97fefbfc08702bdaf57a5
14. 0x0391cd09482a72b233cbeae67d3b018b52668bdda462ad6890dcef531af5784b
15. 0x3e5703f087c9966ff9f302cea33450db9f9fde7cafb8269b22ded1b2a3da03b0
16. 0xdfedd18f60be5438b67a88cd42d31ead60bf5dbfc8d726e3d83be13474b3bd3f
17. 0x4a618d78b1cebba8beec4ef22aaac9187dcdfb39064e0be537ca2600abb90740
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1