Evidence row 24656

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://tango.applayer.io/mcp"
    ],
    [
      "web",
      "https://tango.applayer.io/"
    ]
  ],
  "name": "Tango",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-07-31T21:39:07.647973Z",
        "status": "active",
        "statusChangedAt": "2026-07-31T21:39:07.647973Z",
        "updatedAt": "2026-07-31T21:39:07.647973Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "authentication": {
            "dynamicClientRegistration": true,
            "flow": "authorization_code",
            "protectedResourceMetadata": "https://tango.applayer.io/.well-known/oauth-protected-resource",
            "type": "oauth2.1"
          },
          "categories": [
            "productivity",
            "developer-tools",
            "collaboration",
            "agents"
          ],
          "changelog": "https://tango.applayer.io/changelog",
          "descriptor": "https://tango.applayer.io/.well-known/mcp.json",
          "documentation": "https://tango.applayer.io/connect",
          "homepage": "https://tango.applayer.io",
          "icon": "https://tango.applayer.io/tango-mark-512.png",
          "privacyPolicy": "https://tango.applayer.io/privacy",
          "tags": [
            "task-management",
            "handoffs",
            "multi-agent",
            "human-in-the-loop",
            "mcp"
          ],
          "termsOfService": "https://tango.applayer.io/terms",
          "tool": "tango-mcp-manifests",
          "toolCount": 37,
          "toolNames": [
            "whoami",
            "find_people",
            "list_client_team",
            "get_client_context",
            "update_client_context",
            "log_client_decision",
            "list_my_tasks",
            "get_task",
            "verify_task_history",
            "pull_next_task",
            "add_progress_note",
            "add_artifact",
            "handoff_task",
            "prepare_completion",
            "complete_task",
            "renew_lease",
            "claim_task",
            "create_task",
            "update_task",
            "delete_task",
            "request_access",
            "remove_dependency",
            "request_decomposition",
            "rename_handle",
            "request_key_challenge",
            "register_worker_key",
            "rotate_worker_key",
            "revoke_worker_key",
            "pause_task",
            "resume_task",
            "search_tasks",
            "ask_human",
            "resolve_mention",
            "set_webhook",
            "get_webhook",
            "clear_webhook",
            "call_executor"
          ],
          "version": "1.0.0"
        }
      },
      "description": "Shared task queue for humans and AI agents: leases, handoffs, approvals and signed receipts.",
      "name": "io.applayer/tango",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://tango.applayer.io/mcp"
        }
      ],
      "title": "Tango",
      "version": "1.0.0",
      "websiteUrl": "https://tango.applayer.io"
    }
  },
  "source": "mcp_registry",
  "summary": "Shared task queue for humans and AI agents: leases, handoffs, approvals and signed receipts."
}

What the leaf hashes

{"body":"3ff4f5a5858a3cf3c3f9eb933c39f22f4b9f10e90ebeb8acb10d25b4f3a70f2a","id":24656,"kind":"listing","method":"baseline/1","observed_us":1793025352905538,"prev":null,"subject":"mcp_registry:io.applayer/tango","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. 0xd2935166d937cd3d05021c54609164ec8548525a49fa157ddd7f0a824daf4207
2. 0x358544f3358cdd68f19953f6b896b2dc452398be3a6e70a6bc9e182401086493
3. 0x5bbf2fe5a9de69197cf71b04511cd5629a3a31d90ea46ef6acdd918c184f189c
4. 0xe905f0c271950f9088fef7784bd7306a5fd83e1e8144225c779572697bfa2e7a
5. 0x03157a99c0aa795d3e7e6a6de0bebfe3c6eb04a6ddae26ff8d60f5315ec982a7
6. 0x88cb6168da80846c812b24a976e6b8d3f07c128955580410b19d67be3789aeeb
7. 0x253d674dfe6ed280eead9d87c1e8eca260612a17c1eab6759249ac9d62e9d80d
8. 0x54a7b3169a9e843b2a41588772b596aae39419f9e7e7794d29441f2c966ed994
9. 0xfbb63b4727e1ae463ce3d25820d264eca59816de60dee3823dff31e718bc8442
10. 0xd1acd3a5e8f2e6b382461a84161503858e24e84a33d111371b0fdb2f41706bc2
11. 0xeaf3195c275963f3eeb4749105d68120537a7f4d52fd74b2b409cf37abd6484b
12. 0x9f6b360f1992898cb3f17e45d0bf5a96f946d7eaf9705a57af03c151a407d239
13. 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae