Evidence row 51706

What was observed

{
  "endpoints": [
    [
      "web",
      "https://schemacrawler.github.io/"
    ]
  ],
  "name": "io.github.schemacrawler/schemacrawler-ai",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-14T12:14:43.441082Z",
        "status": "active",
        "statusChangedAt": "2026-10-14T12:14:43.441082Z",
        "updatedAt": "2026-10-14T12:14:43.441082Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Enables natural language schema queries — explore tables, keys, procedures, and get SQL help fast",
      "name": "io.github.schemacrawler/schemacrawler-ai",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "MCP Server transport type - valid values are 'http' or 'stdio', defaulting to 'stdio'.",
              "format": "string",
              "name": "SCHCRWLR_MCP_SERVER_TRANSPORT"
            },
            {
              "description": "Database user name. Can be optional depending on the database connection type.",
              "format": "string",
              "isSecret": true,
              "name": "SCHCRWLR_DATABASE_USER"
            },
            {
              "description": "Database user password. Can be optional depending on the database connection type.",
              "format": "string",
              "isSecret": true,
              "name": "SCHCRWLR_DATABASE_PASSWORD"
            },
            {
              "description": "JDBC URL for database connection. If this is provided, the server, host, port and database are not used.",
              "format": "string",
              "name": "SCHCRWLR_JDBC_URL"
            },
            {
              "description": "SchemaCrawler database plugin, for example, 'sqlserver' or 'sqlite'. Used only if the JDBC URL is not provided.",
              "format": "string",
              "name": "SCHCRWLR_SERVER"
            },
            {
              "description": "Database host. Defaults to localhost. Used only if the JDBC URL is not provided.",
              "format": "string",
              "name": "SCHCRWLR_HOST"
            },
            {
              "description": "Database port. Defaults to the default port for the server type. Used only if the JDBC URL is not provided.",
              "format": "string",
              "name": "SCHCRWLR_PORT"
            },
            {
              "description": "Database to connect to (optional). Used only if the JDBC URL is not provided.",
              "format": "string",
              "name": "SCHCRWLR_DATABASE"
            },
            {
              "description": "Optional stable alias used to identify this database server in MCP instructions and tool results.",
              "format": "string",
              "name": "SCHCRWLR_DATABASE_ALIAS"
            },
            {
              "description": "Optional description of this database server, included in MCP instructions and the about_database response.",
              "format": "string",
              "name": "SCHCRWLR_DATABASE_DESCRIPTION"
            },
            {
              "description": "How much database metadata to retrieve. Values are 'minimum', 'standard', 'detailed' or 'maximum'.",
              "format": "string",
              "name": "SCHCRWLR_INFO_LEVEL"
            },
            {
              "description": "Logging verbosity level. Values are 'SEVERE', 'WARNING', 'INFO', 'CONFIG', or 'FINE'.",
              "format": "string",
              "name": "SCHCRWLR_LOG_LEVEL"
            },
            {
              "description": "MCP Server tools to exclude, as a comma-separated list.",
              "format": "string",
              "name": "SCHCRWLR_EXCLUDE_TOOLS"
            }
          ],
          "identifier": "schemacrawler/schemacrawler-ai:17.16.0-1",
          "registryType": "oci",
          "transport": {
            "type": "stdio"
          }
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/schemacrawler/SchemaCrawler-AI"
      },
      "version": "v17.16.0-1",
      "websiteUrl": "https://schemacrawler.github.io"
    }
  },
  "source": "mcp_registry",
  "summary": "Enables natural language schema queries — explore tables, keys, procedures, and get SQL help fast"
}

What the leaf hashes

{"body":"dc1df003a316a06d15cb8a5ea5f3a4401239eb346d5eecb9a849dacf2d8b5494","id":51706,"kind":"listing","method":"baseline/1","observed_us":1793025418233705,"prev":null,"subject":"mcp_registry:io.github.schemacrawler/schemacrawler-ai","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. 0x7d4fb83274f9b6d105965d803c251c2a9e952cf3bed22ff97be6fd87757b425b
2. 0x846fde96aaee8b9bb1dc9d43b533d51696c0ec94f25fe23ce47d291f24872a2d
3. 0x17137040f575b41a2e934d33c524242b660647b16d9a94f29f9e1d219aa37efd
4. 0xafe0f4d6b427b1158a8e64bf5575de7c87214311a2b22668ca9ea590cc51e327
5. 0xf94dc835fd71471d8ba0ed311eebd971f1753641c9c68bae75489feaa200a48f
6. 0xe40551027e2896a96964690e73d79f0e8cd7ad74260f135a32fc6a7db343a68c
7. 0x765dfa3268515e9b0db118076e7769e18c9cdb283cc20650119fcee98c7ec98c
8. 0x1cd028513eac1532ee3df02f156de4852cd6c7c32cee939b66c2faf32a7f82ae
9. 0x7cb84485c6b902c49734720bca3a33ab18427e01cb45da3f781a9f5899f3a01c
10. 0x27bb9eefd00206cde7209859f541e1ae68cb3baba4968278bfa6a4028b0fe719
11. 0x05b818019343d04f2973b36329a447f88301721891653961b94822610edda553
12. 0x779c77295186b32da6387dfb36d3a76522e7d713472a7cebed7c93529ccc4be6
13. 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae