Evidence row 58929

What was observed

{
  "endpoints": [
    [
      "web",
      "https://valv.sh/"
    ]
  ],
  "name": "valv",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-07-28T08:14:34.542492Z",
        "status": "active",
        "statusChangedAt": "2026-07-28T08:14:34.542492Z",
        "updatedAt": "2026-07-28T08:14:34.542492Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Let coding agents query any SQL database safely. Read-only by default and scoped by your policies.",
      "name": "sh.valv/mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Database connection string. PostgreSQL, MySQL, SQLite, CockroachDB, or a ClickHouse HTTP URL.",
              "format": "string",
              "isRequired": true,
              "isSecret": true,
              "name": "DATABASE_URL"
            },
            {
              "choices": [
                "postgresql",
                "mysql",
                "sqlite",
                "clickhouse"
              ],
              "description": "Datasource provider: postgresql, mysql, sqlite, or clickhouse. Inferred from DATABASE_URL when omitted.",
              "format": "string",
              "name": "VALV_PROVIDER"
            },
            {
              "description": "Database name. Required for ClickHouse, whose URL does not carry one.",
              "format": "string",
              "name": "VALV_DATABASE"
            },
            {
              "description": "Comma-separated allow-list of tables. When set, only these are exposed to the agent.",
              "format": "string",
              "name": "VALV_TABLES"
            },
            {
              "description": "Comma-separated deny-list of tables, applied after the allow-list.",
              "format": "string",
              "name": "VALV_EXCLUDE"
            },
            {
              "description": "Path to a policy module that takes full control of access. Without it, the server is read-only across all tables.",
              "format": "filepath",
              "name": "VALV_POLICY_FILE"
            },
            {
              "description": "JSON context object the policy reads, e.g. {\"tenant\":{\"id\":\"acme\"}}.",
              "format": "string",
              "name": "VALV_CONTEXT"
            },
            {
              "description": "Serve over Streamable HTTP on this port instead of stdio.",
              "format": "number",
              "name": "VALV_HTTP_PORT"
            }
          ],
          "identifier": "@valv/mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.6.2"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/mcp",
        "url": "https://github.com/valv-dev/valv"
      },
      "title": "valv",
      "version": "0.6.2",
      "websiteUrl": "https://valv.sh"
    }
  },
  "source": "mcp_registry",
  "summary": "Let coding agents query any SQL database safely. Read-only by default and scoped by your policies."
}

What the leaf hashes

{"body":"98fc5f775cc8f60304a177dfd81b9bc465795dc68acc1eafdb3d1461e4418e4e","id":58929,"kind":"listing","method":"baseline/1","observed_us":1793025445530756,"prev":null,"subject":"mcp_registry:sh.valv/mcp","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. 0x413170668bef05b30e190e5ac24b2d557a4961623723287dd9244ccd54350605
2. 0x802f25ce999f24766bd986fffdd859457ebbc9ae911a127bf6d9d37e33e67fb8
3. 0xdb550c2b70ec0ba2e6909f2c2124f181a1b004d6e0d2d801ae21e65547225140
4. 0x55dbcaac9422e206929aeda78851b43d2651ae3f9921df71b67b8313c01a5d2d
5. 0x13c24c39164fbe1050a28ca5d1c6fa91a4fa904368a29bac5e147630290bce59
6. 0x268e1594c0435831a30dd6a1fe6af00fe2271dbb12a6f8c33f94820ea37cb8e4
7. 0x3682db03de1be5616b070dcf809c9e3774b1f0d809e74059bab72378e5583906
8. 0x7408ea1f899707fd8fc96166e07b955d4b25ab482b8daa0c9e45abc34a24730c
9. 0x49ba577391c12d866413e21970938b593b2e367b6455832ffa1a4f58c8ec99b6
10. 0x5abcabf96a8e684fe6e262d534520acf62828f31c0a7a0f29ffa7346f72de9b1
11. 0x475d2fbee38b77be440946f3f083a3953187376db2f7f57a3a3db41905aa12b6
12. 0xe2bb2a30c74e0bf16b8b75c332bdd45334d0338bef3f3022b7ea7b55718e1369
13. 0xd406739acce2ba016f8d49081b15f266a4ea4a0b0fc5ef171c89c8fd2dda4d80
14. 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae