Evidence row 59077

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://coreloop.so/api/mcp/coreloop-directory"
    ],
    [
      "web",
      "https://coreloop.so/"
    ]
  ],
  "name": "CoreLoop Business Network",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-19T12:43:41.193961Z",
        "status": "active",
        "statusChangedAt": "2026-08-19T12:43:41.193961Z",
        "updatedAt": "2026-08-19T12:43:41.193961Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "so.coreloop": {
            "authentication": "none - public and unauthenticated, rate-limited per client",
            "endpointAliasUrl": "https://coreloop.so/api/mcp/directory",
            "entryPointTool": "search_businesses",
            "humanDirectoryUrl": "https://coreloop.so/discover",
            "networkA2aUrl": "https://coreloop.so/api/a2a/coreloop-directory",
            "networkAgentCardUrl": "https://coreloop.so/.well-known/agent-card.json",
            "perBusinessA2aUrlTemplate": "https://coreloop.so/api/a2a/{slug}",
            "perBusinessAgentCardUrlTemplate": "https://coreloop.so/{slug}/.well-known/agent-card.json",
            "perBusinessLlmsTxtUrlTemplate": "https://coreloop.so/{slug}/llms.txt",
            "perBusinessMcpUrlTemplate": "https://coreloop.so/api/mcp/{slug}",
            "platformLlmsTxtUrl": "https://coreloop.so/llms.txt",
            "sideEffectingTools": [
              "send_business_inquiry"
            ],
            "tools": [
              "search_businesses",
              "check_business_availability",
              "compare_business_services",
              "get_business_agent",
              "get_business_info",
              "get_business_services",
              "send_business_inquiry"
            ],
            "wellKnownServerCardUrl": "https://coreloop.so/.well-known/mcp.json"
          }
        }
      },
      "description": "Search real businesses, then read profiles, services and hours or contact them, in one endpoint.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://coreloop.so/brand/coreloop-mark-512.png"
        },
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://coreloop.so/brand/coreloop-mark.svg"
        }
      ],
      "name": "so.coreloop/directory",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://coreloop.so/api/mcp/coreloop-directory"
        }
      ],
      "title": "CoreLoop Business Network",
      "version": "1.2.1",
      "websiteUrl": "https://coreloop.so"
    }
  },
  "source": "mcp_registry",
  "summary": "Search real businesses, then read profiles, services and hours or contact them, in one endpoint."
}

What the leaf hashes

{"body":"5370c17cbb147c6fac571d66edae5935c05ef602a46871b4f3eb391fb4d74b6c","id":59077,"kind":"listing","method":"baseline/1","observed_us":1793025445717521,"prev":null,"subject":"mcp_registry:so.coreloop/directory","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. 0x878fc0f7bbdb6ee720d85ae14fd458c755ba31a2a60a2ce840e372d47b3fe7df
2. 0xaa9f1529f99524fd9d789a50bb8461cc770a0487fab57b847e452d1fa20ac6c5
3. 0x6163ce50571fe7ac9852d413d5c2867ade5442a04a11a46787c5240bd8863260
4. 0x035d8df9e7110929d1444eb0ebe2d16cacefa5a5223567e7297cafcb3ef7be65
5. 0x324f1e8923c12f696ee9b5ff4dd0d6be2ff379a34ce286fdc28b96d691586085
6. 0xf918538a66faf268ef84ac7c7f8e62e2ddfd9f3dc6123420b95bec6b73eeee3a
7. 0x774f80247f9f367d114ab3b94673d3bea3141c79a3a900c380c9e215f341457c
8. 0xa0c22673630661a3b4cc09ae386e332e40604888a49818a8c70517483a1ae03f
9. 0x839abfa1824d480bed5cc8d80800127bd639ede8584876e29d2899c3132f94a9
10. 0xe0e4a60716d95ec12c35a9b9e1bff1012120a026fa97f38064a594590f5c029f
11. 0xab0c5c1fde083e427b8955a771d679773808751fc069bed2944e88e84fcb655e
12. 0x099dd43573993f2a1bea674129b7ed050429a0ac76c3bfda8aaf82a3af126469
13. 0x49d11be052a4c069b10250aaba214f566b3f2e5aaa7a98e82ccc6a71c0e801a0
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae