Evidence row 51125

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ua-len/mcp"
    ]
  ],
  "name": "User-Agent length, value discarded",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-09T03:05:44.639108Z",
        "status": "active",
        "statusChangedAt": "2026-09-09T03:05:44.639108Z",
        "updatedAt": "2026-09-09T03:05:44.639108Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "User-Agent length, value discarded",
      "name": "io.github.sadri-dridi/ua-len",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ua-len/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "User-Agent length, value discarded",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "User-Agent length, value discarded"
}

What the leaf hashes

{"body":"a35182df533f00624f2cb1548aa8e211c39d1da6b67426b61be5ce50aff2ff0a","id":51125,"kind":"listing","method":"baseline/1","observed_us":1793025417042211,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/ua-len","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. 0x6a1858c61a8cf13aa1c7e4abcfab4a62e26a8b17d7744c500f2a95bec8d63e81
2. 0xa7c9a2b6125be7c3fd9b5f63ba046c01fbf82a4285d32c497a461c3bcd465f72
3. 0x98e5cde814814d30aa5ae3b698a7058eebda065eb5f079fad090b5cf945d301e
4. 0x50b198f2e68c9f06d6f77245fccfea67211c988557ea1f074d0bb98f427c8029
5. 0x26694f72bcf8bae10867452273f1f8d4eff00bea2a1286872ccc88921393d498
6. 0x434bf709c1d3b168682c067da61de1da918a296e49be81ebe3b94b30ff3062a7
7. 0x21f0be65bf9464f7237521c99921e22ac52e90d330da98376c274fd9124a3603
8. 0x541d65fbe29358c5d17bc2ff24a17731e2b72e69be3f265ad2b41eeb2ad4cef4
9. 0x11d1fc3e009ce9cbdbc644ed88dc5547619bf405e76d349e3fe60ac3ba81753d
10. 0xdeb16a4852b1c249628d0590c012fe1adebc9195ddf46ba3cbf8dcba07af7c93
11. 0xe8b20383a9232d45872f50d7c4c484b3ffe756328a5a1e2d63218cd46b95695c
12. 0x9483a0a7a066ffc2fb890c8f34dbc91bf373e546e4a3800b76064288b3cc4875
13. 0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae