Evidence row 30614

What was observed

{
  "endpoints": [],
  "name": "ListSmith",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-25T21:26:31.244219Z",
        "status": "active",
        "statusChangedAt": "2026-10-25T21:26:31.244219Z",
        "updatedAt": "2026-10-25T21:26:31.244219Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "MCP server for ListSmith — x402 listing grades ($0.10) and repairs ($0.50) on Base",
      "name": "io.github.QuincyGB/list-smith-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "EVM private key (0x...) of a wallet holding USDC on Base. Used locally to sign the x402 EIP-3009 authorization. For paid calls.",
              "format": "string",
              "isSecret": true,
              "name": "AGENT_PRIVATE_KEY"
            },
            {
              "description": "Path to a file containing that key (alternative to AGENT_PRIVATE_KEY).",
              "format": "filepath",
              "name": "AGENT_KEY_FILE"
            },
            {
              "description": "Service base URL override (default: production).",
              "format": "string",
              "name": "LIST_SMITH_URL"
            },
            {
              "default": "100000",
              "description": "Spend guard per grade call in USDC micro-units (default 100000 = $0.10, the known price). The client refuses to sign anything priced above it.",
              "format": "number",
              "name": "LIST_SMITH_GRADE_MAX_AMOUNT_UNITS"
            },
            {
              "default": "500000",
              "description": "Spend guard per fix call in USDC micro-units (default 500000 = $0.50, the known price). The client refuses to sign anything priced above it.",
              "format": "number",
              "name": "LIST_SMITH_FIX_MAX_AMOUNT_UNITS"
            }
          ],
          "identifier": "list-smith-mcp",
          "registryType": "pypi",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.2"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/QuincyGB/list-smith-mcp"
      },
      "title": "ListSmith",
      "version": "0.1.2"
    }
  },
  "source": "mcp_registry",
  "summary": "MCP server for ListSmith — x402 listing grades ($0.10) and repairs ($0.50) on Base"
}

What the leaf hashes

{"body":"83f6a75b8d28cfac98386e42d1d2ff82d20e451fc8f5b4eaad7d639c1b0a21cf","id":30614,"kind":"listing","method":"baseline/1","observed_us":1793025363127783,"prev":null,"subject":"mcp_registry:io.github.QuincyGB/list-smith-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. 0x6cdd817d17b66949ba3405b878a31531ebc0de44bb68c5b3dee9754df3ad6d6f
2. 0x797877ddd4728b739b3329564d8f4a12fea49496e25400064464e2db1ce9de0d
3. 0x9cf7db646091bb2d492990454bf941d836989df9d94e99130e447ae3cb3a5156
4. 0x225f7857b03a2ddcf0a7d70c7dacb799ce989c74ae07cbe044962c662d6e9079
5. 0x2050567ceaa7076714f41c77e7623539ee303ad17c2a3999669609190f0820ce
6. 0x433ca2824c37d17c8e1d1af8aa109358e05b461f0e225ee32278bec93acbc365
7. 0xb48e6c56c7517d0b45f735ea8129c0461f3a0effba84e64bb12ddade1e134d8f
8. 0xd2d3ed98518cebd52e53f506178b5281fa1b7bdec306738eac0ecdb8d1f816a8
9. 0x14a9586f7a6c1eba5dc4e3d198697ab11dcb9502547bad9045b6b8f1d0dc156e
10. 0x6d1ec73e7e908c75c9a03e6c7f6d0598ca0cfcd0c5fbb1cf6d796177fafa5410
11. 0x82b0a13483194285c0c386d5ad47eb953493b28955a9a8e58da3a2e6e220ed30
12. 0x929b3f59cbf01edbae456522161805dd51e098dc3a66d845508de46581bb953c
13. 0x9dc4d6f64bc3c323d2c45a28209068cd473b6979bd632a0d694bf94d19bc39df
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae