Evidence row 306120

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "\n    Validate an SGLang configuration for NVIDIA DGX Spark (GB10/SM121A).\n\n    Pure pattern-matching against known failure modes documented in the\n    Sovereign AI Blog. No inference, no external calls. Returns critical\n    issues, non-fatal warnings, and a recommended baseline config.\n\n    All parameters are optional; supply only what you have. With no inputs\n    you get the recommended config and a 'unknown' verdict.\n    ",
      "inputSchema": {
        "properties": {
          "attention_backend": {
            "default": "",
            "description": "SGLang --attention-backend value (e.g. 'flashinfer', 'triton'). Empty string = skip this check.",
            "title": "Attention Backend",
            "type": "string"
          },
          "cuda_graph_max_bs": {
            "default": 0,
            "description": "SGLang --cuda-graph-max-bs value. 0 = skip this check.",
            "minimum": 0,
            "title": "Cuda Graph Max Bs",
            "type": "integer"
          },
          "error_message": {
            "default": "",
            "description": "Paste error log output here for pattern matching against known failure modes.",
            "title": "Error Message",
            "type": "string"
          },
          "hardware": {
            "default": "",
            "description": "Hardware description (e.g. 'GB10', 'DGX Spark', 'SM121A'). Empty = skip GB10-specific rules.",
            "title": "Hardware",
            "type": "string"
          },
          "image_tag": {
            "default": "",
            "description": "Docker image tag in use (e.g. 'lmsysorg/sglang:latest', 'lmsysorg/sglang:v0.4.0'). Empty = skip.",
            "title": "Image Tag",
            "type": "string"
          },
          "mem_fraction": {
            "default": 0,
            "description": "SGLang --mem-fraction-static value (e.g. 0.88). 0.0 = skip this check.",
            "maximum": 1,
            "minimum": 0,
            "title": "Mem Fraction",
            "type": "number"
          }
        },
        "title": "diagnose_sglangArguments",
        "type": "object"
      },
      "name": "diagnose_sglang"
    },
    {
      "description": "\n    Retrieve the full content of a blog article by its slug.\n\n    Returns the article body (Markdown) plus metadata. If the slug does not\n    match any article, returns an Article with `error='article_not_found'`\n    and other fields at their defaults.\n    ",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "Article slug as returned by search_blog (e.g. 'setup-llm-inference-setup'). Lower-case, hyphenated.",
            "title": "Slug",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "title": "get_articleArguments",
        "type": "object"
      },
      "name": "get_article"
    },
    {
      "description": "\n    List all blog articles. No TF-IDF computation — pure database listing.\n\n    Use to browse the full corpus, paginate through articles, or filter by tag.\n    For full-text semantic search use search_blog instead.\n    ",
      "inputSchema": {
        "properties": {
          "limit": {
            "default": 20,
            "description": "Number of results (1-50)",
            "maximum": 50,
            "minimum": 1,
            "title": "Limit",
            "type": "integer"
          },
          "offset": {
            "default": 0,
            "description": "Pagination offset (0-based)",
            "minimum": 0,
            "title": "Offset",
            "type": "integer"
          },
          "sort": {
            "default": "date_desc",
            "description": "Result ordering. 'date_desc' newest first (default). 'date_asc' oldest first. 'title_asc' alphabetical. 'quality_desc' best quality first.",
            "enum": [
              "date_desc",
              "date_asc",
              "title_asc",
              "quality_desc"
            ],
            "title": "Sort",
            "type": "string"
          },
          "tag": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "Optional tag filter (e.g. 'setup', 'fixes', 'strategy'). Only articles with this tag are considered. Use list_tags to discover available tags.",
            "title": "Tag"
          }
        },
        "title": "list_articlesArguments",
        "type": "object"
      },
      "name": "list_articles"
    },
    {
      "description": "\n    List all topic tags used across the Sovereign AI Blog corpus, with article\n    counts. Use this to browse the topic space before calling search_blog with\n    a tag filter.\n    ",
      "inputSchema": {
        "properties": {
          "sort": {
            "default": "count_desc",
            "description": "Result ordering. 'count_desc' lists most-used tags first (default). 'alpha' sorts alphabetically.",
            "enum": [
              "count_desc",
              "alpha"
            ],
            "title": "Sort",
            "type": "string"
          }
        },
        "title": "list_tagsArguments",
        "type": "object"
      },
      "name": "list_tags"
    },
    {
      "description": "\n    Search the Sovereign AI Blog for articles matching a natural language query,\n    optionally filtered by tag and sorted by relevance or date.\n\n    Behaviour matrix:\n      - query='', sort=*           -> list newest-first, optionally tag-filtered\n      - query!='', sort=relevance  -> TF-IDF ranked, optionally tag-filtered\n      - query!='', sort=date_desc  -> TF-IDF filtered (score > 0.001), then sorted by date\n\n    Pure read-only, deterministic for a given KB snapshot.\n    ",
      "inputSchema": {
        "properties": {
          "n": {
            "default": 5,
            "description": "Maximum number of results to return",
            "maximum": 20,
            "minimum": 1,
            "title": "N",
            "type": "integer"
          },
          "query": {
            "default": "",
            "description": "Natural language search query (e.g. 'flashinfer OOM on GB10'). Multi-word queries are tokenized and TF-IDF ranked. Pass empty string to list articles without ranking by relevance.",
            "title": "Query",
            "type": "string"
          },
          "sort": {
            "default": "relevance",
            "description": "Result ordering. 'relevance' uses TF-IDF score (default for non-empty query). 'date_desc' sorts newest first (default behaviour when query is empty). When query is empty, 'relevance' is treated as 'date_desc'.",
            "enum": [
              "relevance",
              "date_desc"
            ],
            "title": "Sort",
            "type": "string"
          },
          "tag": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "default": null,
            "description": "Optional tag filter (e.g. 'setup', 'fixes', 'strategy'). Only articles with this tag are considered. Use list_tags to discover available tags.",
            "title": "Tag"
          }
        },
        "title": "search_blogArguments",
        "type": "object"
      },
      "name": "search_blog"
    }
  ]
}

What the leaf hashes

{"body":"f4d567e5150b8f56309bfafa02b186e18555c553074210bb50a65bee221782f2","id":306120,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056821586949,"prev":null,"subject":"cc5044f7-4265-4516-90be-dd28ff9f43ac","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. 0x84d769c53851c7e6b9028c4f6be6ccb2f611c4f5b749bb3b39099d06d4a2b918
2. 0xfcba8437c14b54969ec8a266347bbca50f3ae195f2ce04a11551697f3ff553d6
3. 0x831b3d8cafbe0f6e1b46dd15da0aead7d8af804f1b42d04a61b2a8f85e1faaf0
4. 0x587f2e99d58572f2649f7c037de101aecfb15118d6aa299353ab8026ceb870a0
5. 0x0a078bbd96296b148ab1d54c4465ec5b0868e14595fcc1d5c3ae32ade4c8dbc8
6. 0xf7ebc30b830ae2c6e5e8ae50f5efd4ebf0525afcbf65c9203650c2a1d0b6918d
7. 0xfffe27ea2830d54fad465c7835dfcb8d1b637afecf5c8116f6345489947a9b87
8. 0x0e176001aa4ea75011e88c9023cd88528b97832d7702bb4eb6ce54dacb72285f
9. 0xca94b2eb4dbd39705fde6c0afe784886166d172e034b96706e6f73452b52855c
10. 0x885deb0e4307fa99df9e773ff11344ee034f4c9c93d7eb138d0da714c1f8128b
11. 0x147021357b2eb773d60db74f751316bfd367b06080320d378c0c402240e98d59
12. 0x146f43471a3bde6d8a04e87b6afd3ee6860c6e38a009f86aee705ce722b67748
13. 0x91c2ae93ec20c7fed5088112fe3941ca622dfb3f8f1022c4844726c361244bd4
14. 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae