Evidence row 45693

What was observed

{
  "endpoints": [],
  "name": "petro-mcp",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-17T02:36:54.559433Z",
        "status": "active",
        "statusChangedAt": "2026-08-17T02:36:54.559433Z",
        "updatedAt": "2026-08-17T02:36:54.559433Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "MCP server for petroleum engineering: LAS logs, decline curves, PVT, petrophysics, volumetrics.",
      "name": "io.github.petropt/petro-mcp",
      "packages": [
        {
          "identifier": "petro-mcp",
          "registryType": "pypi",
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "1.1.2"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/petropt/petro-mcp"
      },
      "title": "petro-mcp",
      "version": "1.1.2"
    }
  },
  "source": "mcp_registry",
  "summary": "MCP server for petroleum engineering: LAS logs, decline curves, PVT, petrophysics, volumetrics."
}

What the leaf hashes

{"body":"def3f515fc99321ed139bf376d5e3f37b8e9ff6d455f8c8611886a8ede0bb1cb","id":45693,"kind":"listing","method":"baseline/1","observed_us":1793025406880713,"prev":null,"subject":"mcp_registry:io.github.petropt/petro-mcp","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. 0x72c434e3d20d7af9b50a03b10e66a957a52b9e0fb9366b470d98f79ec060a881
2. 0xdcaaa6ba5d977ee06e88a4965035046f3dc547d212fc335b87a6cba228cca5ea
3. 0x426ffe1b8a59d346871bdec255bd4b094ef1e4e9bdfafcae05e7840eb036d016
4. 0xd3163dabe87a33e33aac1c756edc932ea3e7f9c21f4f98cfc1fdae576d938ca3
5. 0xde45445c3e5a8d93e0458f86f40d9b9ee1d350fc706c725926df0c5889984499
6. 0xa01d772bc68746b84c351249589d4d56dc132d8b4098281a896659e1afeecf70
7. 0x892897686cca9205968fa17495dc745f3d0cbc06aacddd35bbecc3995ae845b0
8. 0x728fb731285450d07b708a12e0ce392485b98396e97d4d641f48a011783476cd
9. 0x7459f654e3deb4daa7554739b67f789eb49794526fe128ad87d04e63bc2da617
10. 0xfec618220a4577d4063b5b2d1736f3db0d758d4b39800128bc55fe3318ff8373
11. 0x9763a000e2506d3e18d36911968fe32044769ec0822949b880df4736389d3536
12. 0xef1802ec08c5a2efaca6aadccc58edcebeb620a019383dc0785f198c677a9427
13. 0x06064dc1eb2363bec8c2a752e0a28aafc4bf0cb21d1b1b755821c1575bb77a96
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae