Evidence row 1828831

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://signrequest.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/signrequest/"
    ]
  ],
  "name": "SignRequest MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T20:36:13.60355Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T20:36:13.60355Z",
        "updatedAt": "2026-11-01T20:36:13.60355Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read documents, signature requests and templates; send, cancel and resend requests in SignRequest.",
      "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/signrequest",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://signrequest.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/signrequest",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "SignRequest MCP by usefulapi",
      "version": "1.0.0",
      "websiteUrl": "https://usefulapi.io/signrequest/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read documents, signature requests and templates; send, cancel and resend requests in SignRequest."
}

What the leaf hashes

{"body":"d398a09c57d6ca7937f4c2f5946162dc26eee3e2203bacac0e4514d5ad745039","id":1828831,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793567869266903,"prev":null,"subject":"mcp_registry:io.usefulapi/signrequest","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. 0x8d56be883f36a2e0ef44562a1ba974952ac42b7b101af4d13190f5d239789cf7
2. 0xda5ea30231b925c8d12d9de4e7f84b1f64967d5ff014b5b86cf71c9ab7e80476
3. 0x45cc51098de8bc2eeffbcad3107df7d0dba88102b260b4939d964e436cecc336
4. 0xadb67dd048192b6d9f8ddbe2770b196360ff01d9c8fe10698be61c11d0c6f85e
5. 0x99216c2cef42107694bf92c552814f3e2f16d25850b43b20d9932b53c72cb371
6. 0x5ef3d5cdf5ba6e4eff143bac67b62d238aa27ef4ad03fd00c0777f0dd3938494
7. 0x263552516c67cd83b6649e5c2ac5008477edbf920f7988e831dfc7e3b20176cb
8. 0xd28521532881393334d56b9db705ddb894f2b592681b76f5b7a6520521f22042
9. 0xa14b97fc8b0489004897305b6b1153edeedf7fb61a6a3c20ea11a060199af6a4
10. 0x17ecc7466623f37f6a363e2f28f39a3340ff9b8bbc218753fe1ff5e012cb78aa
11. 0x591aea021f7cf8b6c9f92a3c371a7c64cdf7150c58a37b14b2626a676a919f49
12. 0x29d7a2a4df0d7fa79f3b537becdf01ca611b7c70fbde18f9fae82bb3e270cc73
13. 0x6129eb29b7f3727c333751ed672fa6e4b231f839ed64750b5d1005800847c8dd
14. 0x43a0d126875c656347b68ba3c0196959406aa8df8a7cd284fd2814ddd386322c
15. 0x23107b06227fe01d939429fa5248f5555093c421dfc6b8bc6ba3518a65263d17
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90