Evidence row 578289

What was observed

{
  "count": 7,
  "tools": [
    {
      "description": "Open-source projects that replace a paid or closed product (e.g. Cursor, ChatGPT, Notion), highest score first. own_claim is true when the project says so in its own README.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "product": {
            "description": "Product name, e.g. \"Cursor\"",
            "maxLength": 100,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "product"
        ],
        "type": "object"
      },
      "name": "alternatives_to"
    },
    {
      "description": "Check a GitHub repo before installing it, most useful for an MCP server, skill or plugin: whether Archestack lists it, its license in plain words, upkeep, the safety checks it passed (with the failed ones and their evidence) and up to 3 higher-ranked projects in its category. \"Checks passed\" means those checks passed, not that the code is safe. A repo Archestack does not list returns listed: false and a link to suggest it.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "repo": {
            "description": "GitHub link or owner/repo, e.g. \"https://github.com/ruvnet/ruflo\"",
            "maxLength": 200,
            "minLength": 3,
            "type": "string"
          }
        },
        "required": [
          "repo"
        ],
        "type": "object"
      },
      "name": "check_repo"
    },
    {
      "description": "Put 2 to 4 projects side by side: score and its parts, place, stars, license, last commit, Docker, arm64, GPU, RAM, external services, strengths and weaknesses.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "projects": {
            "items": {
              "description": "Project id like \"best-of-ai/qdrant\", a GitHub repo like \"qdrant/qdrant\", or a name like \"Qdrant\"",
              "maxLength": 200,
              "minLength": 1,
              "type": "string"
            },
            "maxItems": 4,
            "minItems": 2,
            "type": "array"
          }
        },
        "required": [
          "projects"
        ],
        "type": "object"
      },
      "name": "compare"
    },
    {
      "description": "The facts an agent needs before installing or deploying one project: Docker files, arm64 build, GPU need, minimum RAM, outside services it needs, web port, what its README says it needs, docs and demo links, and upkeep (latest release, releases in 12 months, security advisories, its package). null means Archestack does not know. Archestack does not track hosting cost or deploy templates.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "project": {
            "description": "Project id like \"best-of-ai/qdrant\", a GitHub repo like \"qdrant/qdrant\", or a name like \"Qdrant\"",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "project"
        ],
        "type": "object"
      },
      "name": "deploy_facts"
    },
    {
      "description": "Everything Archestack has on one project: score and the parts it is made of, place in its category, GitHub facts (stars, license, last commit and release, language, Docker, arm64, GPU, RAM, external services, port), project health, demo and docs links, and the review (summary, audience, strengths, weaknesses).",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "project": {
            "description": "Project id like \"best-of-ai/qdrant\", a GitHub repo like \"qdrant/qdrant\", or a name like \"Qdrant\"",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "project"
        ],
        "type": "object"
      },
      "name": "get_project"
    },
    {
      "description": "Find open-source AI projects across both Archestack lists by words and filters. Words match names, repos, taglines, categories and the products a project replaces; results rank by how many words match, then exact names, then projects whose name or category holds the words, then by score. Put hard needs in the filters, not the words (no_gpu instead of \"without a GPU\").",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "arm64": {
            "description": "true: only projects with an arm64 build (Apple Silicon, Raspberry Pi, Graviton)",
            "type": "boolean"
          },
          "category": {
            "description": "Only this category: id or title, e.g. \"vector-db\" or \"Vector databases\"",
            "maxLength": 100,
            "type": "string"
          },
          "has_demo": {
            "description": "true: only projects with a live demo",
            "type": "boolean"
          },
          "license": {
            "description": "License family. permissive: MIT, Apache-2.0, BSD and similar. copyleft: GPL, AGPL, LGPL, MPL. custom: anything else, including no license",
            "enum": [
              "permissive",
              "copyleft",
              "custom"
            ],
            "type": "string"
          },
          "limit": {
            "default": 10,
            "maximum": 25,
            "minimum": 1,
            "type": "integer"
          },
          "list": {
            "description": "Only this list: \"best-of-ai\" or \"best-of-vibe-coding\"",
            "maxLength": 100,
            "type": "string"
          },
          "no_gpu": {
            "description": "true: only projects that run without a GPU",
            "type": "boolean"
          },
          "query": {
            "description": "Words to look for, e.g. \"vector database\" or \"chat ui ollama\". Leave out to rank by score.",
            "maxLength": 200,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_projects"
    },
    {
      "description": "The ranking of one category, best first, with score and tagline. An unknown category returns the list of categories.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "category": {
            "description": "Category id or title, e.g. \"vector-db\" or \"Vector databases\"",
            "maxLength": 100,
            "minLength": 1,
            "type": "string"
          },
          "limit": {
            "default": 10,
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "list": {
            "description": "Only this list: \"best-of-ai\" or \"best-of-vibe-coding\"",
            "maxLength": 100,
            "type": "string"
          }
        },
        "required": [
          "category"
        ],
        "type": "object"
      },
      "name": "top_in_category"
    }
  ]
}

What the leaf hashes

{"body":"2c70a7bac72ca46e4c1fa24ff6129b6bf88334910587eb60c1e372869542aa2b","id":578289,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793142928129123,"prev":null,"subject":"086bcf4c-e49e-4ce6-8ebc-6aadc3e7a8fc","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. 0xff434519038411599e792bd97be5376fab53165fd905cae0dfc8dff87fb1917c
2. 0x9cac110e4286f927b63fa4ed0abea67f2ab2410131e915e8b63816d3bd186572
3. 0x3dc027774e68ad08414cbfa84e0a4bb7cbc7680683a2cb73ed8a901b0e08fbf8
4. 0x4ffd3affa99e183961cca915f3704449a6633c4bfc64081a19070b28e6470853
5. 0x341cf5c56a9b9f6342b85ab8ab0490c5314d976104d33558432ad55d4e93be42
6. 0xe3f1db22da8029d653127cea664f14d717120db48e81eb05501086b52c97189d
7. 0x642940faffe0c057007ffe790cec97e217854672f11ccdb6d7b8be2e2bdcc924
8. 0xf88ba67c3d8771c61733bd75d7bbc15e851e88e47ef82297aa9a549856959eda
9. 0xf62b942d75d2fef9638deb45b2bc9738e92362eb6458f703c0c4298272c7a830
10. 0xcf98af8333f7fd6bdbc1b992cf9bc07f24c23f9e4453268c27504de07f222988
11. 0x7e9df831f5c1b2f5e3d3d5c1837e1410fcc354cd33e5999cecca1fd2ece2db37
12. 0x5fc89955112581b3fcfa3f9a81d69af0e71784d0baa72f00dbfc2abc2e383e84
13. 0x56e872147e60f01cdcee33340b018a7ad7be91ec5b5daef0d2c629c3ca13cbd8
14. 0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4