Evidence row 26138

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://x402-gateway.blackwoodstate8.workers.dev/mcp"
    ],
    [
      "web",
      "https://x402-gateway.blackwoodstate8.workers.dev/"
    ]
  ],
  "name": "Blackwood State",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-20T05:50:42.103741Z",
        "status": "active",
        "statusChangedAt": "2026-10-20T05:50:42.103741Z",
        "updatedAt": "2026-10-20T05:50:42.103741Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Pay-per-call tools for agents: onchain data, ECB FX rates, text tools. USDC on Base, x402",
      "name": "io.github.Blackwood-State/blackwood-state",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Optional. Key of a wallet that pays over x402 after the free starting credit runs out",
              "isSecret": true,
              "name": "BLACKWOOD_PRIVATE_KEY"
            },
            {
              "description": "Optional. Prepaid credit key (bwk_...)",
              "isSecret": true,
              "name": "BLACKWOOD_CREDITS_KEY"
            },
            {
              "default": "0.05",
              "description": "Spend cap per call in USD",
              "name": "BLACKWOOD_MAX_USD_PER_CALL"
            },
            {
              "default": "1",
              "description": "Spend cap per UTC day for x402 payments in USD",
              "name": "BLACKWOOD_MAX_USD_PER_DAY"
            }
          ],
          "identifier": "@blackwood-state/mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://x402-gateway.blackwoodstate8.workers.dev/mcp"
        }
      ],
      "title": "Blackwood State",
      "version": "1.2.0",
      "websiteUrl": "https://x402-gateway.blackwoodstate8.workers.dev"
    }
  },
  "source": "mcp_registry",
  "summary": "Pay-per-call tools for agents: onchain data, ECB FX rates, text tools. USDC on Base, x402"
}

What the leaf hashes

{"body":"5e60d46f426cae6a20ccb02b489d10f302654ce3c8d347d409de08951f532824","id":26138,"kind":"listing","method":"baseline/1","observed_us":1793025355704222,"prev":null,"subject":"mcp_registry:io.github.Blackwood-State/blackwood-state","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. 0x4d2f2b20c51f6587d4b717f60c2c88cb8b1ee8d14e28a03e18ea76cb7a6a86b4
2. 0x1329890425c6cd379770d2a2572e4440acbff94faf92584d7f40b6d59042809a
3. 0xe10ff7886c4dbffbe39782fe110074d5bcd4f5a33997e930269f3b1b517888b8
4. 0x32c5cb3d2b42a7d7464159e5b6086bb22c6e4c7aeab0416dccfbc7c928f7b1e9
5. 0x06b6927f74e2bd780658157c70924586cbf2e3ae1fbe46e46ee0f78cd6ee1536
6. 0x540da5aaccb173153592f7800995ae0953919577cf9e3d2e7f816da0f59c26e2
7. 0xc8dca91c45688b5410f391cbb2968be7a5334dc5fac2f5b04a3422220cab1e1b
8. 0x2fdd8e438e7c1065953b2dfac75ccaefc0ee3e32c3a6de71ebb265540a1b96be
9. 0x912946f013056bf244bff36c374cf9e50eef3e4872b352944670f0111eb8bf7b
10. 0x4af637ad93b988fe64e96a6e50ca3aa29400b19cae5b542c13a7e49b02fec7a6
11. 0x4a13cd2655a1d8b39528cfa63482483519544a5eb593623bd8ca3eb463e263b6
12. 0x9c16024747eaca32d09963ccb001059f75dcd9bb8dfc221e5234d54d2b3388d9
13. 0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae