Evidence row 299870

What was observed

{
  "count": 13,
  "tools": [
    {
      "description": "Check backlinks and referring domains for a domain (requires Backlinks subscription)",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "domain": {
            "description": "Domain to check",
            "required": true,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "backlink_check"
    },
    {
      "description": "Check where a domain ranks for a specific keyword in Google top 100",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "country": {
            "description": "Country code",
            "type": "string"
          },
          "domain": {
            "description": "Domain to check",
            "required": true,
            "type": "string"
          },
          "keyword": {
            "description": "Target keyword",
            "required": true,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "check_ranking"
    },
    {
      "description": "Find keywords your competitor ranks for — identify content gaps and opportunities",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "competitor": {
            "description": "Competitor domain",
            "required": true,
            "type": "string"
          },
          "country": {
            "description": "Country code",
            "type": "string"
          },
          "domain": {
            "description": "Your domain",
            "required": true,
            "type": "string"
          },
          "limit": {
            "description": "Max results (default 20)",
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "competitor_gap"
    },
    {
      "description": "Analyze URL for on-page SEO quality: score, readability, technical checks, recommendations",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "keyword": {
            "description": "Target keyword to check optimization",
            "type": "string"
          },
          "url": {
            "description": "URL to analyze",
            "required": true,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "content_score"
    },
    {
      "description": "Domain SEO overview: organic keywords, traffic estimate, position distribution",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "country": {
            "description": "Country code for localized data",
            "type": "string"
          },
          "domain": {
            "description": "Domain to analyze",
            "required": true,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "domain_overview"
    },
    {
      "description": "Analyze H1-H4 heading structure of a page with SEO recommendations",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "url": {
            "description": "URL to analyze",
            "required": true,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "heading_analysis"
    },
    {
      "description": "Server health, version, tool status, and API connectivity",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "health_check"
    },
    {
      "description": "Research keyword volume, difficulty, CPC, trends, and related keywords",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "country": {
            "description": "Country code (DE, US, UK, AT, CH, etc.)",
            "type": "string"
          },
          "keyword": {
            "description": "Seed keyword to research",
            "required": true,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "keyword_research"
    },
    {
      "description": "Analyze and generate optimized meta title + description for a URL",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "keyword": {
            "description": "Target keyword",
            "type": "string"
          },
          "url": {
            "description": "URL to analyze/optimize",
            "required": true,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "meta_generator"
    },
    {
      "description": "Track ranking positions for multiple keywords at once (max 10)",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "country": {
            "description": "Country code",
            "type": "string"
          },
          "domain": {
            "description": "Domain to track",
            "required": true,
            "type": "string"
          },
          "keywords": {
            "description": "Keywords to track (1-10)",
            "items": {
              "type": "string"
            },
            "required": true,
            "type": "array"
          }
        },
        "type": "object"
      },
      "name": "rank_tracker"
    },
    {
      "description": "Check current SERP position and compare against previous check — tracks changes over time",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "country": {
            "description": "Country code",
            "type": "string"
          },
          "domain": {
            "description": "Domain to watch",
            "required": true,
            "type": "string"
          },
          "keyword": {
            "description": "Keyword to monitor",
            "required": true,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "serp_alert"
    },
    {
      "description": "Get top 10 Google results for a keyword with SERP features",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "country": {
            "description": "Country code",
            "type": "string"
          },
          "keyword": {
            "description": "Keyword to search",
            "required": true,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "serp_snapshot"
    },
    {
      "description": "Analyze current title tag and generate SEO-optimized title suggestions",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "draft_title": {
            "description": "Your current title (optional)",
            "type": "string"
          },
          "keyword": {
            "description": "Target keyword",
            "required": true,
            "type": "string"
          },
          "url": {
            "description": "URL to fetch current title from (optional)",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "title_optimizer"
    }
  ]
}

What the leaf hashes

{"body":"3e9fd3415720a23af14df1ba36d54e05e8c543b131bd493d80add8a9f9cd6636","id":299870,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793053139769287,"prev":null,"subject":"52704992-7b0f-43c6-acc4-4836d8c80e79","subject_kind":"endpoint"}

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. 0x71d1405fe39214601848472cb220b7ca7ca27ae293888aedf2534ff29082e741
2. 0x6885e18f9f23787a5ae3c3c7e0c41726da5707054a11d5bd25e7363d8f990a01
3. 0x5819c7ba09880fea4ddd0e027128c1bda5771e6b5a4af17b2d07b1955d467f11
4. 0xeb03bb64cd1eb5ddada3ba4c17eed5455a8eac8e02d96b0b389420e30b19b72d
5. 0x6381c74b918d7e6c2c8beb2ff32fa3a3d6f32fabcf52f007ba1437a7dde8ad59
6. 0xc70244f26fd441e60c17efec0ccaf3165f5ae5308b65431ea6f8d172df22e035
7. 0xd677282b785960aeab6e3df6be63658c85bd1b5916dd895d40c3a01e676eae99
8. 0xf5c83ebb51736782033a1e87d6f129f8104c6bd9c0ffecf378ff098232a53d58
9. 0x4ebdbdd07264e5e29002d8a8a426a0d138ecbb21784ff0e8fd11d4cc5b44353b
10. 0x7556bb3d28817b67074efa685b0f147185fdbaf6243b748a3e743db60711cd56
11. 0x170ddfc94752b8644bb33b281e6fa15e2037a7340325b12b704591a5bd5381b4
12. 0xef1802ec08c5a2efaca6aadccc58edcebeb620a019383dc0785f198c677a9427
13. 0x06064dc1eb2363bec8c2a752e0a28aafc4bf0cb21d1b1b755821c1575bb77a96
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae