Evidence row 3987121

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://simplecast.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/simplecast/"
    ]
  ],
  "name": "Simplecast MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T21:56:39.164908Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:56:39.164908Z",
        "updatedAt": "2026-11-07T21:56:39.164908Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read podcasts, episodes, seasons and download and listener analytics in Simplecast.",
      "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/simplecast",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://simplecast.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/simplecast",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Simplecast MCP by usefulapi",
      "version": "1.3.5",
      "websiteUrl": "https://usefulapi.io/simplecast/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read podcasts, episodes, seasons and download and listener analytics in Simplecast."
}

What the leaf hashes

{"body":"6530e48b4abd694aca47492875675f810da7fb3eaf3dbb24ac586444c166dc9e","id":3987121,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090327965954,"prev":3958345,"subject":"mcp_registry:io.usefulapi/simplecast","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-07 (195826 rows).

1. 0xce4611b3443e31169e8078ba0c3e92428449ce7315f604f20ee63bd9a31cd8c4
2. 0x027c73df71daafd086c02c58ebc8971fa258c7a20e5dcdb97ca899540167ab67
3. 0x4af1b0ea18a0408b8c961b8e1a25cd283ee669c840f65526b8e8d039c75787d7
4. 0xf2937fab9e6797d4ef9166951d5da44c1392a17eb024becb9bcf47340ce9e410
5. 0x5033081c72bbae994bd1df2b2826bb495963e29237c667f3ac4e6688af4dd028
6. 0x91133c14d9795e210f22981a960236b4b03a940092f5850613c14d39ec3729c1
7. 0x325ce586a778994e128af349aa907372a25a5b5f320f6b8e1c23982e4d986f9a
8. 0xfc374af647f16c1f47026174842a5282df60fcea1a230f9dde63a1a6d00195ac
9. 0xa5c59a6a3c30f7e48e3c73e07b50af6a147b8c55fba4c6804bc3567bf2d5298b
10. 0xd564200a3e3fa7ce2244e7c19ea25690efc356a6c0f68901cabc8231c1a3a412
11. 0x927a3911e0f9920ebdbcc716deed5d9af5d5acdfd69834ca2ccabaef81e686ab
12. 0xe18afbc896098228349577d8608242eae90d89b2c556262d1f46e4ded7ba7072
13. 0x323b2b51ea056d2bd53361e622fcc4746faacd85ec9c49a13533cbbd4f82b3b9
14. 0x7bd88dbcdea7b744679f2ef6bbd4a71cd8814c46cc02d4ab11745e97813ff9cf
15. 0x8d59bf422a3db88dd24fca3b92cb99d28bd5632a71eaf94e51b925600c735b27
16. 0x3235c8a33ac14441f1a12a6515f670286d48b48fa98eb1dce45d902e053abe01
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa