Evidence row 570038

What was observed

{
  "count": 7,
  "tools": [
    {
      "description": "Analyze a URL for SEO-friendliness. Checks length, structure, and common issues. Free - no API key required.",
      "inputSchema": {
        "properties": {
          "url": {
            "description": "URL to analyze",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "analyze_url_structure"
    },
    {
      "description": "Classify keywords locally by intent, funnel stage, brand type, and topic. Free and available without an API key.",
      "inputSchema": {
        "properties": {
          "brand_name": {
            "default": "",
            "type": "string"
          },
          "brand_variations": {
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "competitors": {
            "items": {
              "type": "object"
            },
            "type": "array"
          },
          "keywords": {
            "description": "Keywords to classify",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "product_keywords": {
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "required": [
          "keywords"
        ],
        "type": "object"
      },
      "name": "classify_keywords_simple"
    },
    {
      "description": "Get official Google Search developer guidelines by category. Free.",
      "inputSchema": {
        "properties": {
          "category": {
            "default": "list",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_google_guidelines"
    },
    {
      "description": "Get an SEO workflow skill with step-by-step methodology, triggers, credits, and quality gates from the current seo_skills catalog. Use name='content-nss-optimize' to write with your own model and improve an article toward measured NSS 70/80 using free Visibly scoring, then save it and show the editor link. Use name='list' for all available skills. Free - no API key required.",
      "inputSchema": {
        "properties": {
          "name": {
            "description": "Skill name (e.g. 'seo-audit') or 'list' for all available skills",
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "get_skill"
    },
    {
      "description": "List available countries/locations for SEO data queries. Free - no API key required.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_locations"
    },
    {
      "description": "Get an SEO checklist. Types: general, blog, ecommerce, discover, backlink, all. Available in English and German. Free - no API key required.",
      "inputSchema": {
        "properties": {
          "checklist_type": {
            "default": "general",
            "description": "Checklist type",
            "enum": [
              "general",
              "blog",
              "ecommerce",
              "discover",
              "backlink",
              "all"
            ],
            "type": "string"
          },
          "language": {
            "default": "en",
            "description": "Language (en or de)",
            "enum": [
              "en",
              "de"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "seo_checklist"
    },
    {
      "description": "Get SEO best practices on a topic. Topics: title_tags, meta_descriptions, heading_structure, internal_linking, core_web_vitals, eeat, keyword_research, schema_markup, image_optimization, local_seo. Use topic='list' for all. Free - no API key required.",
      "inputSchema": {
        "properties": {
          "topic": {
            "description": "SEO topic or 'list' for all topics",
            "type": "string"
          }
        },
        "required": [
          "topic"
        ],
        "type": "object"
      },
      "name": "seo_guidance"
    }
  ]
}

What the leaf hashes

{"body":"98cee3e26bc8a1177d730242c66aa4ecf0d4aa282aa2b751e43615a653ceae60","id":570038,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793139597966581,"prev":null,"subject":"bc66c547-42d0-40b0-b863-c4cbbe3e5d29","subject_kind":"endpoint"}

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. 0x96a41e5395a943e6d078487d476c9283ec45bba2612d325ec1478e0365c699dd
2. 0x62c199f40ab616e1bb7bbb7bbfc40151032c0670db1f2f59e4da66b6e7510425
3. 0xe9e2218c162be5ab6cec8549a85f295503fd3937ae2ca9c5898a9bf7174633df
4. 0x69d2946a34370adbedb329573fa6d93766cd2690975a01201e8123a86f6b510f
5. 0x486b9257e1ec61bc27071c32847713f7157a8b158bae3789807672088b556c7e
6. 0xf5f0ada3c979ee1f62c9cb6fe82639a25b7551e87301926ff9eb128e6b5b28e3
7. 0x0ca284925fbedf59288233c5221cd8517a74c1836612744209515c78080ae714
8. 0xfa848e3e6ea011f7da2aaff53e2ea90b6e3dbf5e0dc089ba63cb8e5b4d357702
9. 0x4b3c93372731102f4d318cea0ce64873cef3daece16454b7febb6d9dab49e131
10. 0xbada4bf3fe9b578083fa7337d906a41053acddc26e7ddf061fcdc77972e9de9d
11. 0x008b7f9614ed50ebbebac08462aadeadf211fd774ab0e22a1da87f5080a43505
12. 0x265cee5401cfadc89cfe40c27cc910090736b6a94b8d688bb7729f0791087d26
13. 0xfe6d2e9a468b7e99de9162a2ef30ac0b0e3b318387b4356bf524493aa67b295b
14. 0xa3c9c760ee424c178bab782711c2b9d3e15a80a6fde99165972cb75b306bb8b4
15. 0xb4f7223140c8a36cb87a63d77cf617086d9968dc4658f03e102571ebe06e9ed6
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4