addrbookFor publishers
← The evidence ledger

Evidence row 48974

Observed , by baseline/1.

Kind
listing
About
source_record mcp_registry:io.github.ryan-tish/sendpaper
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4d33009f557c210ec000c86a1f2d5d1bd29c61ea818d93dd0399797a07b0311f
Leaf
0x38e2b7a6a55affaa44b22832afee7fa41f52d35f58ca2d740430f3cfc6da3f74

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://sendmypaper.com/mcp"
    ],
    [
      "web",
      "https://sendmypaper.com/"
    ]
  ],
  "name": "Sendpaper",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-03T15:36:23.294592Z",
        "status": "active",
        "statusChangedAt": "2026-10-03T15:36:23.294592Z",
        "updatedAt": "2026-10-03T15:36:23.294592Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Your agent sends real postcards and letters. You approve; we print and mail.",
      "name": "io.github.ryan-tish/sendpaper",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://sendmypaper.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/ryan-tish/sendpaper-plugin"
      },
      "title": "Sendpaper",
      "version": "1.0.0",
      "websiteUrl": "https://sendmypaper.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Your agent sends real postcards and letters. You approve; we print and mail."
}

What the leaf hashes

{"body":"4d33009f557c210ec000c86a1f2d5d1bd29c61ea818d93dd0399797a07b0311f","id":48974,"kind":"listing","method":"baseline/1","observed_us":1793025412828147,"prev":null,"subject":"mcp_registry:io.github.ryan-tish/sendpaper","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x38e2e72f00d2ae2d7bea7fcb52d23e0b878ef1dd22dbae1981ae593fe20eb590
  2. 0xb3f23274b808bd2e27256e25ef9fc11d407fdee8a5e1aab1953f55a88304a8b1
  3. 0x86f8ab668af9584f1de5e8310f67caa1cc666f5c0e616bdf8d4778d9a4bd5a35
  4. 0x95fc45c12713a95432f5ad95eb155797aea1b93bc7487b94de07811cc1ab07a7
  5. 0x3684840b5f288654c5886447e8d856a0235699adb606ea16b17e5ee30d11befa
  6. 0x2e2da97ff856ace7ae1691e923a74fd7867de2371f3276666476ab9a0930d9fc
  7. 0xb0590cefd37f8d13e56e05d254d2f2c700a7207cce451cbb7aa5f8ce33eb7e43
  8. 0x7c323640fc612ea549e65e93eb23c87954b4d31fe70fd0919dd63e0669911499
  9. 0x00a148e9e2ad4c6089060a83d132c866dbf880fddd6836d0615294de0a7c2880
  10. 0x9f3071ed8f2d0f3fa297d8d2cbe6bc9d92b7f12cd4c3d713d5debd20d9bd5436
  11. 0x04a1aa6c1d916326b08791d1568a512f10ac6aaee806ec4073570b0a6b1b64af
  12. 0x18cc4431e4bbe45ee72defb9bb3318434364bf71c883055c6197fa7102ec601a
  13. 0xe2214b3d6a48396930d1739b02ea366de2aac5337c9b9ff2aff28cecf6518139
  14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
  15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON