Evidence row 49963

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-502/mcp"
    ]
  ],
  "name": "HTTP 502 bad-gateway",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-08T04:40:14.346136Z",
        "status": "active",
        "statusChangedAt": "2026-09-08T04:40:14.346136Z",
        "updatedAt": "2026-09-08T04:40:14.346136Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Meaning of HTTP 502.",
      "name": "io.github.sadri-dridi/http-502",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-502/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "HTTP 502 bad-gateway",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Meaning of HTTP 502."
}

What the leaf hashes

{"body":"985ca044a7898f56ed0c709a0e012cf95b2233a9ed36f4b5f3aa64605b4cadc9","id":49963,"kind":"listing","method":"baseline/1","observed_us":1793025414497579,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/http-502","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. 0x088eb7052a5ad9a88498081948fbfde763d5fbaed371ed989a4f16e43fa89fe2
2. 0x1c9b6a6e9023dd6d984926fad0775f1d757208b6fff3f32fb0b8b0590a1e0fec
3. 0xd9b73553d2e2dbc18ca9016ac7a7eff771059027765c01d0bceddf678ecae9c7
4. 0x6530b6f42f2e3fe40744544995bd1d6af0f052c064adb0fd41b1758b5dc58a1a
5. 0xe78f7bd3cd281601b2576d1d5ca53077972b986eee8461a80e7738d838505bdc
6. 0x6eeb61d66c48a0b614c497a418455bdba44593543be54eba773eae01e279b778
7. 0x8c7b7b73356d29db2a36d957587da00a0cbc69336943dbc46548f29c2d4e2532
8. 0x032bcbedccdf98e5b79d7dc8678d1fd1c149ae546ad6f434f042bcc1ece48bb5
9. 0x8ce34f6597c63a0c5265d4f8d688eb5a122222b8eb4d2f1289bd5aae1118284d
10. 0x8c7a98ae2cb4ce9806641729f82b9b19104c8b000de3727bbd7eb046927d1d21
11. 0x3585060104222ad1aae3396450719e555d4d013fa2b3a7b43777a1722ca9ce22
12. 0x6003e14d04cde1d24b195ac15b568dd483e04047e0f2ff64d9632a51a8f7123d
13. 0xe5a836cf25a8dfc72c9e3b6a69a7561a1f61f50f9cf36707d36f6e926aa15dec
14. 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae