Evidence row 51970

What was observed

{
  "endpoints": [
    [
      "web",
      "https://www.blackseoanalyzer.com/"
    ]
  ],
  "name": "Black SEO Analyzer",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-07T04:40:11.105097Z",
        "status": "active",
        "statusChangedAt": "2026-10-07T04:40:11.105097Z",
        "updatedAt": "2026-10-07T04:40:11.105097Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Audit a page or crawl a whole site for technical SEO issues, locally. Compares crawls.",
      "name": "io.github.sethblack/bseoa",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Black SEO Analyzer license key. Start a free 14-day trial at https://www.blackseoanalyzer.com/free-trial. Without it every tool returns a license error.",
              "isRequired": true,
              "isSecret": true,
              "name": "BLACK_SEO_ANALYZER_KEY"
            }
          ],
          "fileSha256": "49302c3068e3687121e8fc2a1afac82b6f4a723858618ead652d0d1a81bde0a7",
          "identifier": "https://github.com/sethblack/black-seo-analyzer/releases/download/v26.9.16/bseoa-26.9.16-win32.mcpb",
          "packageArguments": [
            {
              "description": "Serves the MCP tool surface over stdio.",
              "type": "positional",
              "value": "mcp",
              "valueHint": "subcommand"
            },
            {
              "description": "Path to the SQLite database holding crawl results. Defaults to crawl.db in the working directory; set it to a stable absolute path so crawl history survives between sessions.",
              "name": "--db-path",
              "type": "named"
            }
          ],
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          },
          "version": "26.9.16"
        },
        {
          "environmentVariables": [
            {
              "description": "Black SEO Analyzer license key. Start a free 14-day trial at https://www.blackseoanalyzer.com/free-trial. Without it every tool returns a license error.",
              "isRequired": true,
              "isSecret": true,
              "name": "BLACK_SEO_ANALYZER_KEY"
            }
          ],
          "fileSha256": "69c0215a7117bb5d450e2de223dc19e1f87fb33ca67ae09ef45b9c2e7bdb794c",
          "identifier": "https://github.com/sethblack/black-seo-analyzer/releases/download/v26.9.16/bseoa-26.9.16-darwin.mcpb",
          "packageArguments": [
            {
              "description": "Serves the MCP tool surface over stdio.",
              "type": "positional",
              "value": "mcp",
              "valueHint": "subcommand"
            },
            {
              "description": "Path to the SQLite database holding crawl results. Defaults to crawl.db in the working directory; set it to a stable absolute path so crawl history survives between sessions.",
              "name": "--db-path",
              "type": "named"
            }
          ],
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          },
          "version": "26.9.16"
        },
        {
          "environmentVariables": [
            {
              "description": "Black SEO Analyzer license key. Start a free 14-day trial at https://www.blackseoanalyzer.com/free-trial. Without it every tool returns a license error.",
              "isRequired": true,
              "isSecret": true,
              "name": "BLACK_SEO_ANALYZER_KEY"
            }
          ],
          "fileSha256": "808ba5faeca085f30bb104142603051c70f94cd6dd1a3e3b0b455ba17c75a7b4",
          "identifier": "https://github.com/sethblack/black-seo-analyzer/releases/download/v26.9.16/bseoa-26.9.16-linux.mcpb",
          "packageArguments": [
            {
              "description": "Serves the MCP tool surface over stdio.",
              "type": "positional",
              "value": "mcp",
              "valueHint": "subcommand"
            },
            {
              "description": "Path to the SQLite database holding crawl results. Defaults to crawl.db in the working directory; set it to a stable absolute path so crawl history survives between sessions.",
              "name": "--db-path",
              "type": "named"
            }
          ],
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          },
          "version": "26.9.16"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sethblack/black-seo-analyzer"
      },
      "title": "Black SEO Analyzer",
      "version": "26.9.16",
      "websiteUrl": "https://www.blackseoanalyzer.com/"
    }
  },
  "source": "mcp_registry",
  "summary": "Audit a page or crawl a whole site for technical SEO issues, locally. Compares crawls."
}

What the leaf hashes

{"body":"59b833a7421d3a2d29455e557089de21ee61e2bc9a502507075ecd5893d5bebc","id":51970,"kind":"listing","method":"baseline/1","observed_us":1793025418631292,"prev":null,"subject":"mcp_registry:io.github.sethblack/bseoa","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. 0x5d503568dd8f0169093203f68820698aed35b85daafa69e622bf82cbc97caea1
2. 0x331a496e9546d63b7503ef5b145fdc750066dcb09cd23d5204d27c6335ba0cfd
3. 0x489594895e870f25c17ebd95507579d4b8f6131d216da26677c24e7806b0597b
4. 0x0bdb1613d5b90f26f404699334af24f1972fcf4d978d4ee3e09b17157afa9c20
5. 0x8468257e576643b5e09589021b4a983bbadc6607b7fe4b1475fbb2b021995a04
6. 0xd9c32a42792dde98f98bc2303a5ad225d55d3482bf3a03af1affd1f0b78c4d89
7. 0x7b11b3f65361733cc0be78c74b590234e61f3bfa750a173ffe419094ca8228f3
8. 0x81454696cbda8a850702809540b97e3c3759bdee183441c3ab9de590184fd4eb
9. 0x2dbfd5cce748a6fd4938d7cb87267e05234654474e1ff65d06ee76c8629d829d
10. 0x71c75f9312be1c838a554f724b6fc57894e7c4486ab7e013b6a6a8d65cfaebea
11. 0xb91bf0ba3ebff769d1b88f93fcb076477149787a7e31c3c28ce4fe8823b7c144
12. 0x2121cc2dbcb8663af57743dc445c8a59e5bbfffe89703f0606c9843f0d35aff8
13. 0x66883b42f4167ade51c4909f050c5478524e23786fb0b5c48bd1a53580960a68
14. 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae