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Evidence row 49102

Observed , by baseline/1.

Kind
listing
About
source_record mcp_registry:io.github.sadri-dridi/agent-first-listing
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
5328c65bb5e020ab7aeb1f10dbb0a8b12ff96790273bcf1d75e74f145ae4599e
Leaf
0x1fd32f9137e3ebea6b0f574761650ccfc3c4bcf2a58fc73f245b7570ab195cdd

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/agent-first-listing/mcp"
    ],
    [
      "web",
      "https://agent-ads-production-9f45.up.railway.app/"
    ]
  ],
  "name": "Agent First Listing",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-23T20:55:10.642961Z",
        "status": "active",
        "statusChangedAt": "2026-09-23T20:55:10.642961Z",
        "updatedAt": "2026-09-23T20:55:10.642961Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Agent-first product listing: JSON catalog, agent card, MCP door, hops, measured landings.",
      "name": "io.github.sadri-dridi/agent-first-listing",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/agent-first-listing/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "agent-ads/agent-first-listing",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "Agent First Listing",
      "version": "1.0.0",
      "websiteUrl": "https://agent-ads-production-9f45.up.railway.app/"
    }
  },
  "source": "mcp_registry",
  "summary": "Agent-first product listing: JSON catalog, agent card, MCP door, hops, measured landings."
}

What the leaf hashes

{"body":"5328c65bb5e020ab7aeb1f10dbb0a8b12ff96790273bcf1d75e74f145ae4599e","id":49102,"kind":"listing","method":"baseline/1","observed_us":1793025413216884,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/agent-first-listing","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. 0x1fd3051c36e45473eee53d0fe7c086d41af945c68dbae78ff1cbf686a2bf1b55
  2. 0x5f05723d05a89bdbb7b99698e49a2bd95e25072ecacaed86aa4d62de13d0925e
  3. 0x3c18574ff7f9a78a760042a2ed0a47e906fe41c737c86a90782d229f7a29ee9d
  4. 0x81e6995a471f07fdeafad14044c7ea8842049127266cf454209e38a88c4322e3
  5. 0xa4bc9276e3adf1c75a51e42518220de07a87a2b385c36441701db47eef5fb5ba
  6. 0xefedb71b68ce522021e9cff2b3c67dc9d145245f670ebf6ac2156d80b1c97275
  7. 0x164c8b377d540ef9a0be45dad1dc55771fb36bcd015efdaedc853147b7af5785
  8. 0x8dd8faa1524621a0345f84819f3cc3be6f07333f155e78519e93c0e4e80a62b1
  9. 0x40e0a9ac6427a7ea07c0ef47b73962b21160519fcc03060ea19e1a97d078ccb1
  10. 0xcb356795c2f871f10302e99d7886dd86ab753d56286c29b6b548252764b8cdca
  11. 0xbfd7c325ad90588d62856113d1c0ad99de5d67958ff0f672c892809fd668fffe
  12. 0xbd94b9d1458901cf513783d5d2bc701e3babbcdf9219e07ee2be8fb2c897060f
  13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
  14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
  15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
  16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON