Evidence row 23018

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.onthestacks.dev/mcp"
    ],
    [
      "web",
      "https://onthestacks.dev/connect.html"
    ]
  ],
  "name": "Machine Presence Inspector",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-09T19:12:05.926864Z",
        "status": "active",
        "statusChangedAt": "2026-09-09T19:12:05.926864Z",
        "updatedAt": "2026-09-09T19:12:05.926864Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "dev.onthestacks": {
            "capabilities": [
              "Read-only inspection of public websites",
              "Evidence-backed structured observations of Machine Presence signals",
              "Uncertainty and limitations preserved",
              "No authentication into inspected websites",
              "No remote mutation"
            ],
            "limitations": [
              "Responses exceeding the bounded retrieval/inspection envelope may produce INACCESSIBLE/UNKNOWN findings. This does not itself prove that a site is not machine-ready.",
              "UNKNOWN is not failure.",
              "No universal machine-readiness score or guarantee of AI visibility or crawler behavior."
            ],
            "tool": "inspect_machine_presence"
          }
        }
      },
      "description": "Read-only public website inspection: evidence-backed Machine Presence observations with uncertainty.",
      "name": "dev.onthestacks/machine-presence-inspector",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.onthestacks.dev/mcp"
        }
      ],
      "title": "Machine Presence Inspector",
      "version": "0.1.0",
      "websiteUrl": "https://onthestacks.dev/connect.html"
    }
  },
  "source": "mcp_registry",
  "summary": "Read-only public website inspection: evidence-backed Machine Presence observations with uncertainty."
}

What the leaf hashes

{"body":"db01c8a73843574cb75fb35330282d445d7f4f9e99f633d07656add87f463cfa","id":23018,"kind":"listing","method":"baseline/1","observed_us":1793025350312110,"prev":null,"subject":"mcp_registry:dev.onthestacks/machine-presence-inspector","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xf79a7e7451ba362046112cb1119824accbf15b0fa58fbdf5a5ceeb125ce5dbeb
2. 0xe653f360addaca00c7251b4e92fae4f6352eab9b3eca33d04478d474b1b6ffed
3. 0x6751b74360da9cf4974b3993af1272af9be46f38c5c95f2c5d905c2cb80c2d47
4. 0x42def771bdcf1def8a067faa24aa6f65c2a05ce5a06935a44e5db2e206dc3d95
5. 0x0a7ab37619ae80989f2cbe76c0df62abd0612e839841998418ecb5d769be62f9
6. 0x097316b54858334b5573dbbad7188af7590678fd7ca9e30b87856f8dc90ad5b0
7. 0xf25d7ec7906f0f6540ec3d7b6e4dc5bb2f4029bfae09342a6ffafe3452f07bc8
8. 0xb22f6985383d5f3cca8ddedb4c412113f9d02a3c391a6265c13435fa9d9e7482
9. 0x1da3c1fdaac0939545e994cf221d1bcdd516bd0ebd2694b9d00f5b68d438e585
10. 0x8912095205c0419743c69fe2e0e31af1d737e6d84891a84908cff125ff0e8e71
11. 0x0836eb686ada9beddba0f76357ec59493359d2a7c51aa5c4a31d3cfe9873ea74
12. 0xf7eba200f6f1012d700fcc53fc6d57dcafd1019c920b1030d42fa21d4af95d94
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae