Evidence row 50018

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/isbn-uri/mcp"
    ]
  ],
  "name": "ISBN URN shape, value discarded",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-11T03:08:34.932892Z",
        "status": "active",
        "statusChangedAt": "2026-09-11T03:08:34.932892Z",
        "updatedAt": "2026-09-11T03:08:34.932892Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "ISBN URN shape, value discarded",
      "name": "io.github.sadri-dridi/isbn-uri",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/isbn-uri/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "ISBN URN shape, value discarded",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "ISBN URN shape, value discarded"
}

What the leaf hashes

{"body":"42f37e8c9ba4df431d26bf9ae0714a0aba206012ff52e4062a963947f1eeae6d","id":50018,"kind":"listing","method":"baseline/1","observed_us":1793025414566190,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/isbn-uri","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. 0x9a893f5d47f16260a42667dd5a87ba1340c291e76e360c3cf0e049af528441fe
2. 0xe06108e434d017c10bca55fee9a44f5558d32c951820101ee51efdf8e223d81e
3. 0xb12eabc79d50bf46689c11de01511f6bc431448ac2df2618833eceb80063a41c
4. 0x786825a8b467df31727c4b56c015f8d4f124906bca71843aa5fdccf837d4ce33
5. 0x996680b923e9eea4da420cd8f2c20e7accfd8d280ac7d1dc7fdb4208a2a686af
6. 0x0526506c37acd54aeeaff172d6b0372cc0527e35b219059cd21f2e2d3bcbb6ef
7. 0x37c3845815f41ffc3fc725ac7c02ae747cffd8029fbe0b65bf3709534f36220b
8. 0xdc4fe93426c72c2da96600cd05a0ef063b5ce5e420b94ebbc9cc783fd3c6dfa3
9. 0x6482aa079d63383ea6d87b53b5b2a91f5b271acde9eb01239868f126bcba9663
10. 0x1aaf62de630dedecdb7489eb3c995d9755402e845b621c4301684e0f3dc79b03
11. 0xee5ef8d84c329a24d375330252426182463aa2a536127b218e61007c87101323
12. 0xfee33ee0189dc82c649bd0324796a297b897507b2fddbbe2eff331c40c960ce2
13. 0x239fd39716710e7412bd120c373072b4c0d8b11bb9ee431dad62a2ce57b3d6f4
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae