Evidence row 18470

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://ogstamp.com/mcp"
    ],
    [
      "web",
      "https://ogstamp.com/for-ai-agents/"
    ]
  ],
  "name": "OG Stamp",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-20T18:21:51.035179Z",
        "status": "active",
        "statusChangedAt": "2026-09-20T18:21:51.035179Z",
        "updatedAt": "2026-09-20T18:21:51.035179Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Pay-as-you-go Open Graph image API. Renders 1200x630 PNGs for agents. Credits never expire.",
      "name": "com.ogstamp/og",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://ogstamp.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/BenceBakos/ogstamp"
      },
      "title": "OG Stamp",
      "version": "1.0.0",
      "websiteUrl": "https://ogstamp.com/for-ai-agents/"
    }
  },
  "source": "mcp_registry",
  "summary": "Pay-as-you-go Open Graph image API. Renders 1200x630 PNGs for agents. Credits never expire."
}

What the leaf hashes

{"body":"e8af645f7255d0767b3cd8ef8723b85ee554725c4e870c6d66abf9d3b33b2595","id":18470,"kind":"listing","method":"baseline/1","observed_us":1793025329190420,"prev":null,"subject":"mcp_registry:com.ogstamp/og","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. 0x322555f9bb8b61e2cd405f8f9fcab48da22cdf616910a911454a1c5070b9f730
2. 0x17c210b157538ade566fce2ad8c8c1742f4c5086382310f77838d1560590e09a
3. 0xeaddc8bfbddb620b13dd3f8410e12f6f4ebd8013deb3b86db0cb0fdc18395041
4. 0x35315dd51f2ac0f8253780bcb144ab609ab75d1ded5fe2ef1dc68e98dc72b68f
5. 0xe9fceba45617725bae608a678377335a6125c47768316c274e1f367bd10e9898
6. 0xd52587e5cfdbeaffd743c98667f1ff80bd61e56d3657826f573121a7d89004d9
7. 0x601527ab992b7db22a15a952b71b2c7b27cc9ec6d472f2cee64628dcbf448523
8. 0x010399cf8e6286ae2ff01abfb2f6e71f26e2e33b26c24a5e30d5ecd322e27157
9. 0x71f659196ad6833df3213801b50f2352effd062436805e74544ca0ff3fc7d398
10. 0xce0740e6facbd597b5f316a328277b7e9d0a2d51c77e133bfdd914b3b0060d10
11. 0x631846da76ec1e8570c7c09dada1cc0affff7b5654335239fd84d2059c750b13
12. 0x2f4617d7a962f32849050ad5649d9dc4f962fd8618073cfa8519e6f862dfcef8
13. 0x08de74b7fb265ddb83e4c673da8a94e5f71829b2e6e7464c71c5138e450f2217
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae