Evidence row 548152

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.freeq.one/tools/seo_audit"
    ]
  ],
  "name": "x402-gateway",
  "owner_address": "0x90b0dc893406d6ea63bb077ed59f5e8340f98d84",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x90b0dC893406d6eA63bb077ED59F5e8340f98d84",
        "scheme": "exact"
      }
    ],
    "description": "Single-Page SEO Audit: Single-page SEO audit: 0-100 score, graded checks and prioritized fixes from the page's own HTML. Deterministic — no JS rendering, no rankings, no backlinks, no crawl. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/seo_audit.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "html": "html",
              "url": "https://example.com/blog/post"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "content": [],
              "isError": false,
              "structuredContent": {}
            },
            "type": "json"
          }
        },
        "resource": "https://x402.freeq.one/tools/seo_audit",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "description": "JSON request body. See GET /tools for the parameter catalog.",
                  "properties": {
                    "html": {
                      "description": "Optional raw HTML to audit instead of fetching the URL; no network fetch happens when supplied",
                      "maxLength": 10000000,
                      "type": "string"
                    },
                    "url": {
                      "description": "The page to audit (http/https); also the identity used for the HTTPS check and internal/external link classification",
                      "example": "https://example.com/blog/post",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "description": {
                  "type": "string"
                },
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "mcpServerUrl": {
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "toolName": {
                  "type": "string"
                },
                "transport": {
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "content": {
                      "type": "array"
                    },
                    "isError": {
                      "type": "boolean"
                    },
                    "structuredContent": {
                      "type": "object"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T17:46:51.79Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T17:46:51.544Z"
    },
    "resource": "https://x402.freeq.one/tools/seo_audit",
    "serviceName": "x402-gateway",
    "tags": [
      "mcp",
      "pay-per-call",
      "x402",
      "usdc",
      "base"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Single-Page SEO Audit: Single-page SEO audit: 0-100 score, graded checks and prioritized fixes from the page's own HTML. Deterministic — no JS rendering, no rankings, no backlinks, no crawl. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/seo_audit."
}

What the leaf hashes

{"body":"3801f8bf24aef4296f5256f1f4e8fcb9f6deaf807d7de7f94fb9d48bd2332130","id":548152,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133278811499,"prev":null,"subject":"x402_bazaar:https://x402.freeq.one/tools/seo_audit","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x53506cf17ee4a876e071c27da208fcbfbe41b23c5f16782ae4e76988d52ac3e8
2. 0x7491b42cfe4059207b92d59094f8730dfe54a05944c2f55b6e891705dd979379
3. 0x9f48ea31c881188501a1b587a1aa3770890b1390a7abc23b7adac7bd24635937
4. 0x82850132a86bf92d79e8df27b0541f46be439c586c07f709cf075626a060bcfa
5. 0x2b1061b040c95bf8bcaebce99a0b629b67a29e919a143200b21a6ffbc77a94ae
6. 0xca8948d7a6f48c59b1224e95a04c0ba99a1dd7ef6ac5a2ec41f1b6a1f9e26df4
7. 0x28aceae59fd134be9ae6f25126be78176187274de5843667b475a1f91250d83d
8. 0xd78b92e6e249bc43ef47f2e4a3d2b409ad184d73640321d88c1a6c5aedd6765b
9. 0x16d24693f8a0680ed59943470a98b19170789c1ced0591bbfcee88b5fc3a2519
10. 0xbbb9b83ab3dda0e6960215057b339878a58150356a599369c48d43028e63bbbd
11. 0xc937be26deed9e9728196f150649c70fb24a172a75061bc041b65fa5eb20a3ef
12. 0xf8587b476357dd9dd2bdcf36df59b8f5ada3a7d06a3872295a01a0dd6b9e36d1
13. 0x996f3d89f9508378f3c194c9828b500725dd599c52fd040349190982338d96f2
14. 0x9ea0c6a53f80a30b6f13671109f98a000cf98e581875129f4be4b57131d06364
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4