Evidence row 277637

What was observed

{
  "endpoints": [
    [
      "web",
      "https://prospectapis.com/mcp"
    ]
  ],
  "name": "ProspectAPIs",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T18:23:08.559979Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T18:23:08.559979Z",
        "updatedAt": "2026-10-26T18:23:08.559979Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "MCP server for prospectapis.com: funding rounds, email verification and cited research briefs.",
      "name": "com.prospectapis/prospectapis-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Your prospectapis.com API key (pa_live_...). Get one at https://prospectapis.com. Needed for every tool except pricing_get and api_version.",
              "isRequired": true,
              "isSecret": true,
              "name": "PROSPECTAPIS_API_KEY"
            },
            {
              "default": "https://api.prospectapis.com",
              "description": "Override the API base URL. Defaults to https://api.prospectapis.com; only set it if you were given a different endpoint.",
              "name": "PROSPECTAPIS_BASE_URL"
            }
          ],
          "identifier": "prospectapis-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.4.1"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/ProspectAPIs/prospectapis-mcp"
      },
      "title": "ProspectAPIs",
      "version": "0.4.1",
      "websiteUrl": "https://prospectapis.com/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "MCP server for prospectapis.com: funding rounds, email verification and cited research briefs."
}

What the leaf hashes

{"body":"cf35fc09a7245a3534941e442b58c5f4f6203572278a797ef4f51b5e8f7df17e","id":277637,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793042040308534,"prev":null,"subject":"mcp_registry:com.prospectapis/prospectapis-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. 0x142611cdbb7a94b6d3c96dfe26a9f29aa5e078ed5087aefc56075d61382a7d98
2. 0x1a156d70fc137e2c6f196b52fb3d349ce417d79cf242bb8146e105ef4ba0c297
3. 0x6a8f080c7899c37c41a0760ec77c3c0f060c5ef5e688e2b3787674aeb7ed4b08
4. 0x2a5cfc738610d6a5511ff423910b6cf1ce011a852efbcb1b8b90bd280a3e9d75
5. 0x604da6e351a0c8e314e5a6100c5f03961f03bbf514a87fd4d6c08d694f192a8b
6. 0xa1935eb88ce730dac38ba5608af89e9549e05c53f0fac89bc84bcd784edc84e3
7. 0xc44040c4b3c40eddcc055f5dcd88d340ea4262e4be2b780cacb8cbc18921ec2b
8. 0x185dd2d0c7c2f4f74f71f602f54ca0dc4d73da9146c7af61ddeee823b4901aa1
9. 0x4e317cb86cb5b99084d789e62de0cf483ec892c013146be3a9edf4e02b5a3928
10. 0x7db5a200b679db21ea2e6e1ef5754ab4e6e096c29c406025cdb376cb10cfb19e
11. 0xda5e2c2f0532a3bc2b2bc361905db44768a9ec088fd32d70f9333b7801b14b95
12. 0x2412cb8bc4d10d94e1eb907d5058dd12133e55416609e1b314e811af76620542
13. 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae