Evidence row 16590

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://app.joinsandwich.com/api/mcp"
    ],
    [
      "web",
      "https://app.joinsandwich.com/agents"
    ]
  ],
  "name": "Sandwich Care Circle",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-05-20T19:06:51.89003Z",
        "status": "active",
        "statusChangedAt": "2026-05-20T19:06:51.89003Z",
        "updatedAt": "2026-05-20T19:06:51.89003Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {},
      "description": "Authenticated MCP for a user's care circle: read CareEvents, list loved ones, inspect workspace.",
      "name": "com.joinsandwich/care-circle",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer API key minted at https://app.joinsandwich.com/settings/mcp-keys",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://app.joinsandwich.com/api/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/Terahertz-Inc/sandwich-public"
      },
      "title": "Sandwich Care Circle",
      "version": "0.1.1",
      "websiteUrl": "https://app.joinsandwich.com/agents"
    }
  },
  "source": "mcp_registry",
  "summary": "Authenticated MCP for a user's care circle: read CareEvents, list loved ones, inspect workspace."
}

What the leaf hashes

{"body":"1920bb3102e704d7a6e78b7c5e9e3a1ec84cd1948248f39d3717566081e6d6c8","id":16590,"kind":"listing","method":"baseline/1","observed_us":1793025324714296,"prev":null,"subject":"mcp_registry:com.joinsandwich/care-circle","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. 0x312470a05aff37b35e1e2d6dcb2a134719eed61de9111c483a2492e90bd30bc0
2. 0x529164533ea9bfc0f316d811e27c0238d2af9a1640615e55a7ef069b420d80aa
3. 0xccce1be0d1ceb4fdb81f10b7ad0b30c3b5cc1aeb17a0de95c5e14b607e5017ef
4. 0x743b3ad8afc91618a27899d461e53c6689076a12e324efdd97d3e2560e16800f
5. 0xaf59f8200bb2252ce77dbcfd2938e0a5afb2d49450b4d32cbcc1ef1ceb0ccc7e
6. 0xa9450c7518d36ce497c756630c9054cf047e2c81b35180cd30e5f006a5a2756e
7. 0xce403f6cbec67f9413f9725d641df6e21be33373d8a9f5d340efdcfe628327ac
8. 0x9c52a45c75c760228106f2ed0ec66efbb06841681749b07c8a6b5bfc03add8a7
9. 0x0ace4b5ec7ff0e4f2e1876bbf4e35a303ab6a793cd8d470cf760891384bc4010
10. 0x14dcc9b621776bab010784ab2ff8bc9cde2e6118dc9a5e1e68af1ab2b33794cd
11. 0xa4cc17a7ce78f05039820f0a50d323cd0bedd23c37338f2719d249dca75c07ec
12. 0xd85c7204d76d26255c94ef4caa12c05addd08238caa5cdc3888ea60b74e6b940
13. 0x36a44931b230976c04691d90bf3a25ed4111d74c78b672850d8025a911ca88dd
14. 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae