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Evidence row 49918

Observed , by baseline/1.

Kind
listing
About
source_record mcp_registry:io.github.sadri-dridi/html-lang-ok
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
5865bbcd1f9e90ef3b49dc1f17947655a14c4d758afac2f6d34de120638866b3
Leaf
0xd89b71258cd7bc6a6a0c84c6bc933e136a55f339d2045f61a11d60136e9d34ec

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/html-lang-ok/mcp"
    ]
  ],
  "name": "BCP 47 lang attribute shape",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-09T20:24:01.839414Z",
        "status": "active",
        "statusChangedAt": "2026-09-09T20:24:01.839414Z",
        "updatedAt": "2026-09-09T20:24:01.839414Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "BCP 47 lang attribute shape",
      "name": "io.github.sadri-dridi/html-lang-ok",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/html-lang-ok/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "BCP 47 lang attribute shape",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "BCP 47 lang attribute shape"
}

What the leaf hashes

{"body":"5865bbcd1f9e90ef3b49dc1f17947655a14c4d758afac2f6d34de120638866b3","id":49918,"kind":"listing","method":"baseline/1","observed_us":1793025414441090,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/html-lang-ok","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0xd89b32556fee14035898071d35b01acfebeda91783f0a3bb5d32ee2298e53854
  2. 0xe02c637df89cd0c0cb095e25e172dce3e3ac98e714b16c16cd74cdb12c823c08
  3. 0xa19968fbf6c494b1b83467838ddfdc00b23347a51a0b40e89a015727810ff26c
  4. 0x6db217ee7e6be5d52c365c37b08293a1a9bd87dcf824301e7e421a48ae8a9485
  5. 0x130ba0863fff75018bb7f8e102e266f64ebde6987659bd4480b311fc4110154e
  6. 0x4674423f4be24671a77ec2dfa1d5ed3b2db7ab446d5d7167e5772657f0c11e35
  7. 0x19a295308573c06deedbc24e91890e6debcb843a32e7d19046c29955ca52d8af
  8. 0xddfa9d48cd1e3ac9e55c35009d006cc2d45c5c2c53f0ea30b4e4c688e7c75e88
  9. 0xcb3f3572b8a5f5546e773203d814dae2d7ff6c70e7cb2f6fde9cc426a7a54ad0
  10. 0xcced339e83616c17d79611bcc0e7ac8b05c10472b6ca8350f4c914df1195d992
  11. 0xd96796540b8f5b592d8f03fc775e7a26bd00af394ce468ff886a43215a522475
  12. 0x07e91966e8a0c43a0725bd3d523259064a93333c2900e6171b69ffbfd9f423f1
  13. 0xcd9e3af1fa905ec61b99ee9442716d7c7a439aecacd018ec229a24def1cabf6b
  14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
  15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
  16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON