Evidence row 44743

What was observed

{
  "endpoints": [
    [
      "web",
      "https://three.ws/"
    ]
  ],
  "name": "IBM Granite via x402",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-10T20:46:29.808791Z",
        "status": "active",
        "statusChangedAt": "2026-10-10T20:46:29.808791Z",
        "updatedAt": "2026-10-10T20:46:29.808791Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "x402 pay-per-use IBM Granite AI: chat, code, embeddings, analysis, forecasting. Pay USDC per call.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://three.ws/three-ws-mcp-icon.svg"
        }
      ],
      "name": "io.github.nirholas/ibm-x402-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Solana wallet address that receives USDC payments from tool callers (server operator's receiving wallet). Required to accept x402 payments.",
              "format": "string",
              "isRequired": true,
              "name": "MCP_SVM_PAYMENT_ADDRESS"
            },
            {
              "description": "IBM Cloud API key used by the server to call watsonx.ai on behalf of end users. Create one at https://cloud.ibm.com/iam/apikeys.",
              "format": "string",
              "isRequired": true,
              "isSecret": true,
              "name": "WATSONX_API_KEY"
            },
            {
              "description": "watsonx.ai project id scoping all inference calls. Find it under your project → Manage → General → Project ID. Provide this or WATSONX_SPACE_ID.",
              "format": "string",
              "name": "WATSONX_PROJECT_ID"
            },
            {
              "description": "watsonx.ai deployment space id. Alternative to WATSONX_PROJECT_ID.",
              "format": "string",
              "name": "WATSONX_SPACE_ID"
            },
            {
              "description": "Regional watsonx.ai inference host. Defaults to https://us-south.ml.cloud.ibm.com. Other regions: eu-de, eu-gb, jp-tok, au-syd, ca-tor.",
              "format": "string",
              "name": "WATSONX_URL"
            },
            {
              "description": "Default chat/generation Granite model id. Defaults to ibm/granite-3-8b-instruct.",
              "format": "string",
              "name": "WATSONX_MODEL_ID"
            },
            {
              "description": "Default embedding model id. Defaults to ibm/granite-embedding-278m-multilingual.",
              "format": "string",
              "name": "WATSONX_EMBED_MODEL_ID"
            },
            {
              "description": "Solana account that sponsors transaction fees for x402 payments. Defaults to the three.ws fee payer.",
              "format": "string",
              "name": "X402_FEE_PAYER_SOLANA"
            },
            {
              "description": "x402 facilitator endpoint for payment verification and settlement. Defaults to https://facilitator.payai.network.",
              "format": "string",
              "name": "X402_FACILITATOR_URL"
            }
          ],
          "identifier": "@three-ws/ibm-x402-mcp",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "1.1.4"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/ibm-x402-mcp",
        "url": "https://github.com/nirholas/three.ws"
      },
      "title": "IBM Granite via x402",
      "version": "1.1.4",
      "websiteUrl": "https://three.ws"
    }
  },
  "source": "mcp_registry",
  "summary": "x402 pay-per-use IBM Granite AI: chat, code, embeddings, analysis, forecasting. Pay USDC per call."
}

What the leaf hashes

{"body":"c0d5dc24cd5a4683c70d13fe674b17d01eb7dc40a03da51f35626da114694bff","id":44743,"kind":"listing","method":"baseline/1","observed_us":1793025405177228,"prev":null,"subject":"mcp_registry:io.github.nirholas/ibm-x402-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. 0x5a6d3c87967904a48496bbae87ba3de4a9d79519ea1a858f1c8e604f73f04d5e
2. 0x9b7447ba209fa6605402921f457c5b7112f2f4c2b5669dccac2a3bc8ed33effd
3. 0x618af102451061483f9965043d47741397cfe113e0f247f91499c9e2a860745e
4. 0x6bf66709294d04fe3b596328e0bdc45dda1ff4aa56a577978d1464c9b02ea335
5. 0xb0fb6c67c1d3760bd7ab6a892f7a031f603e047600aa80a399d5b7914d294806
6. 0x34c862442ee9fcbf1ccee26fabc73260742c030ae622bb3695879ed2cacecaa0
7. 0x6196dca0ba7b9d9ef735791c0615d5d1b90adad105ae4c68a087bec1dac75dfd
8. 0x0e111ff2e1c03660cf4090dd29cd226a6a6a1f0fe2f20b187db4909397fbaa7c
9. 0x0a4d3f27209bcd9089d7c8a4a28b388732b2faf937db957357fd56a4fb4fddf9
10. 0x1622116357fa2542142143deeb8538ad6f5b0f254675b718611465e74e2937f1
11. 0x31cff173ca81a1fa9b4d9989ccba135fa83af9284e85748cedd858f7cc6cb7c0
12. 0xc4c7772b121e7eab8b40f10646f850453150d76d672e4926bf2534db20273157
13. 0xc8abb13c711b67d9f1ef145286ed450a0f5566f054a4b290ea3d711873bcbe20
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae