Evidence row 1261946

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": "2026-10-30T08:07:21.804Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T08:07:21.592Z"
    },
    "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":"cdfe49d1fd4a60b2b021a28a2d8c9c4ff1ced421274af332643439ac15a850de","id":1261946,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385518327174,"prev":null,"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 2026-10-30 (243099 rows).

1. 0x2a5673d3e7b43a28583b422dcef01b2a7a793f0254abe9150fb2254f8fadadb7
2. 0x7f9069c0c80eee018ac66594052b1657b63a5279db822f815c5f458f534f357d
3. 0x54022f1bfa573ccdf7f4b5928356266bea7c6e52b644f6242e1bfe7978ce7bff
4. 0x44ce9b4e1a419fc0a0d495c073aaccb943ab10dc857f2e6ca9669725b958b857
5. 0x2fa759998f0942e1fce37f5de9ef726bb18702499a1beb52182d384630f6798d
6. 0x3eefdceb33999890bf5f99807c8412f578c9427069f6ea04f7b5fbcc0b6ab824
7. 0x876017f924944d37977daf6f94f069e58abd33200582a076fe35ae6453ca7f80
8. 0xbbc4a3a07c2f80d900a4ada76bbb5f6cb64346cea492c78f0a299c45648ebd13
9. 0x7796688640479d0a777f0e7794dbc7401d4ddd4f8aa59c7439b0f14292464a22
10. 0x939a1d664fd44dec41b51b27962f6e59e8ae1f23d32d39f625345c190982a4fc
11. 0xdede4a4e576c2e881bff88d9b351eee88b50b21a2ee696a2e9156254a7d84e12
12. 0xc968599162d994e0c6d6a453743bfd940ee5c2e708b6e1e1ee2ed4a1537ba982
13. 0x1b9ae6ba8c6cfebe04f9f15a001e19b02d6df77245227331ce13f353b617efcb
14. 0x9f9779dc68f693114863e0dec3d1a44dc50e81c34bd4122e25a6a644a5c619bc
15. 0x6222037db785cc797fc8809e52e551d945c928d389b7ac947c037fb9af818562
16. 0x50ca74d7c8f26a46e9c3b8fb5e7f9ebcdfdcc1b7c863db3b6d2b7c12e24ca66f
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861