Evidence row 1828813

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mention.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/mention/"
    ]
  ],
  "name": "Mention MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T20:25:56.063771Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T20:25:56.063771Z",
        "updatedAt": "2026-11-01T20:25:56.063771Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read alerts, mentions, authors, statistics and shares in Mention.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/mention",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mention.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/mention",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Mention MCP by usefulapi",
      "version": "1.0.0",
      "websiteUrl": "https://usefulapi.io/mention/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read alerts, mentions, authors, statistics and shares in Mention."
}

What the leaf hashes

{"body":"cb044bd1082906cccd370e6514435cf383ad9205d7d2aeec3aa401327e196c2e","id":1828813,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793567869220880,"prev":null,"subject":"mcp_registry:io.usefulapi/mention","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. 0x302251b0313b130784179e9e71a841d165821cd91c89f62c05ec43a8046b3b0d
2. 0x3eded4309035bdccc577c77cfb89d45fc6240a38e6f65c22c895c4e599cb0cec
3. 0x82e76fbae514fabfe0245555b4fae67b2b9b43c160ba8fe20d5adda0a21b9069
4. 0xd26ab931d3818c5451d5de4f95bc120bccbd638160d19863e01b0b4b1f18f2e5
5. 0x59f8390191ab345522a31c0719b149d172534e384067fe1d5cfc82a537556a33
6. 0xc6293139a13cba784d8d24de60dec8fa9f895dec6128c4c5db5c1fafa6adb8f7
7. 0x7fde13378b9e39a8366f03cbe4d0846fdc22c9756a78f0a7f11698a600d55fc6
8. 0x9d1eba66cd7b0d62568ba4c3d78d192ad869770233391942548b375ababdd50f
9. 0xbabd6126e9bc8fcfe0dd77608a55a2c0dcb564c0c31f3bb1b58494e64c10673c
10. 0xc9ac595725cc01b20516b1e8dcda171879f5ebe2300eedb69c6ea02c344c72f8
11. 0x5e55b5225643ef5568f95c481fb5878746f2b55911abfb0dac17cd586ce9a59b
12. 0xd926a6f4439f955816eb332eb7f9515d07f60810bf60ef34b3a3d684316d3356
13. 0x0112f1cf16780e57f3e96886bf4fa05aa46598025dc9396eb1cbe8b1dcdffd9f
14. 0x894f627e9eac1731ca26b2b4b6529eb16ab1b15294210edac68c8378063e2d8d
15. 0x80b1e578d986f759ca01ea02c7a922e757a26a65318f9844ac72c5c1d4fe339e
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90