Evidence row 21592

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://underanchor.com/mcp"
    ],
    [
      "web",
      "https://underanchor.com/"
    ]
  ],
  "name": "Underanchor",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-19T20:52:06.846681Z",
        "status": "active",
        "statusChangedAt": "2026-10-19T20:52:06.846681Z",
        "updatedAt": "2026-10-19T20:52:06.846681Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search your own PDF library and write LaTeX with every claim anchored to its source paragraph.",
      "name": "com.underanchor/underanchor",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://underanchor.com/mcp"
        }
      ],
      "title": "Underanchor",
      "version": "1.0.0",
      "websiteUrl": "https://underanchor.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Search your own PDF library and write LaTeX with every claim anchored to its source paragraph."
}

What the leaf hashes

{"body":"b97d637217268f1aadced39ccca4191c37ca5eb53f10f4b0ae87aa37e979fb9c","id":21592,"kind":"listing","method":"baseline/1","observed_us":1793025340698823,"prev":null,"subject":"mcp_registry:com.underanchor/underanchor","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x475b548fe23bb63758c33693a7cad3cc17a602b0955242be3be9a1107b7e4a2f
2. 0x87609c5257650bcd84559b7752fcc3342582e39503d8bc7d2d236a39bbf98ff0
3. 0x09cb3c90533c11cd96e7ba01ddd7f37123be59e1ef4ecb05fb75d01f0b0dbc87
4. 0x8c08ee5ce5adea4cc423ece57a5e1673feab481151c78b6630e11dc907f2baa3
5. 0x856b5afebe254e3c4a37800825f81c6db91bf8ca8204e395c51ea001bf536ba7
6. 0x772e66a3fa46d1642082cb2951e2bfa990551d8520b3c38a447a1a78b02592a0
7. 0xa00a7f8be98ccc14d910a8506dde707e4116ca59e7766e07d9c19fbe8a3eb637
8. 0x0ad2fce2888d5bcb0321a71a8c4fb712b94ef1f7b7ebcdc5ff44f94f17851f56
9. 0x9c6c54051cda31e9ed60341d12180d2b886f8aefad995742bc02c60bc3c8815c
10. 0xa42a7426289fd9f8743f53fc2566b0c9eebb23ae577bd4a3cab7b4c80cd7e5a2
11. 0x263cc8bcddc70acc00ef06b84397a006a822410dc2b18b714a0be72a820c5b17
12. 0xae3550e71ca4b0f0b86c9905b234388d6bc01a22e52324fb1ee62a553273a1fe
13. 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae