Evidence row 23100

What was observed

{
  "endpoints": [
    [
      "web",
      "https://postbag.dev/for-ai-agents/"
    ]
  ],
  "name": "dev.postbag/mcp",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-21T15:11:44.374639Z",
        "status": "active",
        "statusChangedAt": "2026-08-21T15:11:44.374639Z",
        "updatedAt": "2026-08-21T15:11:44.374639Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Form backend that routes: one tool per Postbag API operation, plus quickstart and explain.",
      "name": "dev.postbag/mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "A Postbag API key (pb_live_… or pb_test_…). Mint one at https://postbag.dev/app or with `postbag login`.",
              "isRequired": true,
              "isSecret": true,
              "name": "POSTBAG_API_KEY"
            },
            {
              "default": "https://postbag.dev",
              "description": "Base URL of the Postbag API. Defaults to https://postbag.dev — set this only for a self-hosted instance.",
              "name": "POSTBAG_API_URL"
            }
          ],
          "identifier": "@postbag/mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeArguments": [
            {
              "type": "positional",
              "value": "-y"
            }
          ],
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.1"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/faahim/postbag"
      },
      "version": "0.1.1",
      "websiteUrl": "https://postbag.dev/for-ai-agents/"
    }
  },
  "source": "mcp_registry",
  "summary": "Form backend that routes: one tool per Postbag API operation, plus quickstart and explain."
}

What the leaf hashes

{"body":"f285be58cf6b7a2d3e862dd92e321fc5ccc9df6cdd714b6ce760b454cd6f4ae7","id":23100,"kind":"listing","method":"baseline/1","observed_us":1793025350389347,"prev":null,"subject":"mcp_registry:dev.postbag/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. 0x01d826043cdfef7f748d1bc413ac15d43f18ae281879bc3a61ede37301b49a81
2. 0xd25fdfde54fa95ee04bf3f5dba916d3b433e969d7833fdc5ed7a359a866d201b
3. 0xd1db9e8ab1e778343ca95ceed2584fd7bdb2327c8a5f820169874b41ab4dd880
4. 0x5194ebdb7bf6607c9e4976d9fff9eb9e040764e1b68300a0513dc22442167edc
5. 0x0277cc87f2cdf05115a1514ca87f0f8c4f280bdbb8b05e3dcae371c4ccfec87e
6. 0x0a38e4216985796b4019c34da4091a8ab7a48616e1fa68fe52833321dfd87ec0
7. 0x577bb279c3b9b839b57c6dc06ffe033f4e769642ae852cfa0c10aeae85d55cb7
8. 0x82713f8a323b4b8bcf990ef9a097dcb3a6267858368de6825457b9a394dc7606
9. 0x7b05d8237282cbd22d605a243ea1e20b370d2f54a09ce9de96d1b7d4fef066fd
10. 0xb59ab9723c94bb11211a69aab135061f373122c6fca8c5dbfd525237ac1ef164
11. 0x588f372bbaaf730e538542f070b005c0dd23fdb8c7f43a940481de0c1681aae1
12. 0xd75ede2689ed83bbc8980becaf4f32a77c7e05567790cd351e997bb28aa0844c
13. 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae