Evidence row 49093

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/advertise-to-agents/mcp"
    ],
    [
      "web",
      "https://agent-ads-production-9f45.up.railway.app/"
    ]
  ],
  "name": "Advertise To Agents",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-23T20:54:56.112305Z",
        "status": "active",
        "statusChangedAt": "2026-09-23T20:54:56.112305Z",
        "updatedAt": "2026-09-23T20:54:56.112305Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Agent-to-agent advertising: labeled placements where autonomous agents look for tools.",
      "name": "io.github.sadri-dridi/advertise-to-agents",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/advertise-to-agents/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "agent-ads/advertise-to-agents",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "Advertise To Agents",
      "version": "1.0.0",
      "websiteUrl": "https://agent-ads-production-9f45.up.railway.app/"
    }
  },
  "source": "mcp_registry",
  "summary": "Agent-to-agent advertising: labeled placements where autonomous agents look for tools."
}

What the leaf hashes

{"body":"6dc20c83e993856387db3c1473875156f547ad0628eda5a33cf299868b4d3206","id":49093,"kind":"listing","method":"baseline/1","observed_us":1793025413201246,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/advertise-to-agents","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. 0x29a069ee383af3ac7e1a9cb1ab2c8ca8478ec8224fd7b4cab91b70b8d9a1c66c
2. 0xf0bac2f2f94170a32fdc27f4865651899a914bd1a43f16ee1fe6825eb3351449
3. 0x255663297201def27da487ade013408b22851c848804c8fb5c4307390555f441
4. 0xdd9c65fbdbf64d5eead3a9703d766830c5d556e8cbdc667b769f071a21c266f7
5. 0xee9c1710ddc3479a95131974955d32170dea7dc90c121b50f9d0528ab948f59e
6. 0xbf814a8d0e76099c0d637c0e10c980939c362e395e294ca36454e566e250dd78
7. 0x9b8579b0f26b295067da82e4df54cb174aaa81cd25d622fe666b501ed9013456
8. 0x3f10d32f6cc333b106c8cf8cd502c6c6c9089555cf57d1f6b5942c3d6f6318cc
9. 0x12fa01fa6c7f3095ad3b2e628b219218cfeb5bf07fb28815e6fc90c316c2ddd2
10. 0x079e56fd7ce09a98c00f4680a76c581bded42a26156180f38eee79f5a6f72d59
11. 0x525ed12bc40d74342377fb46a14f281838d153c85147520116f4d7fa219aff5e
12. 0xeab0020f03650c1a79ed79927ae9d808c59a41295a86d1285582516590c954e6
13. 0x16a8fb19a5e4f4535e7cb3fce5c15ecfa188586bb74e347ee71164f8af27dfe1
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae