Evidence row 1773709

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.mailgi.xyz/mcp"
    ],
    [
      "web",
      "https://www.mailgi.xyz/mcp.html"
    ]
  ],
  "name": "Mailgi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T15:27:36.693382Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T15:27:36.693382Z",
        "updatedAt": "2026-11-01T15:27:36.693382Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Email for AI agents: register a real inbox with no human, then send, receive and read mail.",
      "name": "xyz.mailgi/mailgi",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer <agent API key>. Optional: without it only public tools such as register_agent work.",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://api.mailgi.xyz/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/Mailgi/mailgi"
      },
      "title": "Mailgi",
      "version": "1.0.0",
      "websiteUrl": "https://www.mailgi.xyz/mcp.html"
    }
  },
  "source": "mcp_registry",
  "summary": "Email for AI agents: register a real inbox with no human, then send, receive and read mail."
}

What the leaf hashes

{"body":"9be7b6d6c04209bfe8f38d0383620213600d8c998eeae983cf87896ec0b4749c","id":1773709,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793549851393707,"prev":null,"subject":"mcp_registry:xyz.mailgi/mailgi","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x4633bc8273d79eb5d704621fba15edcb4e14a3ba656ba046b739d3bc6012aca6
2. 0x4ce6474e4e0633b53483bc4b40bea7561828148acaddc6fd82e1a7be04bb628b
3. 0x3781069b141704b64b2c0b98b488cc0a983d2edd889f1deb08be07cd4d2badd9
4. 0x371067c9640d067fd7ecf81c29d4b505615b5e08348ee70b5635beffd4b3b290
5. 0x37ab89e94f3ce0f38a6883b2e5bc228a57d5ed178e6d6f573c2338e923394fd5
6. 0x62b83b3a0c187fc5ea2fa42333b659aeb4b4b63084ef10c92acacf62bfef23aa
7. 0x0be330c0bb08889b48509283d97446e0f33d7f317b1268d6375d8112585b6026
8. 0xec20db5daba0cd38b94d3159d4d1ba0d4878de0801ddcd72671d7746115da771
9. 0xe5380b4d6cf114503ea7d0102256387a144ac2b28c491e29c37b9c8617d53136
10. 0x152c9832d31f233f2a596e12bc64c3b9286990f87833a6f7bebc6d55066b3544
11. 0xb897c6bd1951c9789887109beda69570d08ddef8e7ba9d8afd9006cc27e9c994
12. 0x0a872ad8d43d2248d10fbf2ab67502ff4e7270644ad7fd6db14b54bd26e5cb7a
13. 0x2fb27956c8711909c4c9d566a96f97834f5a24bc0c69233e771cde297811d69a
14. 0x6c979ceed347ae2f49a398afce74e46416fbc8bf2d649ac7be77ccbc81b2ba03
15. 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90