Evidence row 1257361

What was observed

{
  "endpoints": [
    [
      "web",
      "https://kromatic.com/mcp/neumann"
    ],
    [
      "mcp",
      "https://neumann.kromatic.com/mcp"
    ]
  ],
  "name": "Neumann",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-30T16:13:08.539451Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T16:13:08.539451Z",
        "updatedAt": "2026-10-30T16:13:08.539451Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "com.kromatic/links": {
            "agent_quickstart": "https://neumann.kromatic.com/llms.txt",
            "documentation": "https://kromatic.com/mcp/neumann",
            "privacy_policy": "https://neumann.kromatic.com/privacy",
            "terms_of_service": "https://neumann.kromatic.com/terms"
          },
          "com.kromatic/pricing": {
            "credit_price": {
              "amount": "0.50",
              "currency": "USD"
            },
            "free_tier": {
              "max_nodes_per_run": 20,
              "max_trials_per_run": 1000,
              "runs_per_utc_day": 3,
              "sign_in_required": false
            },
            "live_pricing_url": "https://neumann.kromatic.com/billing/pricing",
            "run_cost_credits": {
              "large": 5,
              "small": 1
            },
            "starter_credits_on_signup": 5
          },
          "com.kromatic/publisher": {
            "name": "Kromatic",
            "support_email": "innovate@kromatic.com",
            "url": "https://kromatic.com"
          }
        }
      },
      "description": "Monte Carlo ranges for uncertain plans: project cost, budget, timeline, capacity, NPV/IRR/payback.",
      "name": "io.github.Kromatic-Innovation/neumann",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://neumann.kromatic.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/Kromatic-Innovation/neumann"
      },
      "title": "Neumann",
      "version": "0.2.27",
      "websiteUrl": "https://kromatic.com/mcp/neumann"
    }
  },
  "source": "mcp_registry",
  "summary": "Monte Carlo ranges for uncertain plans: project cost, budget, timeline, capacity, NPV/IRR/payback."
}

What the leaf hashes

{"body":"302bb727685c9fab5a111611ec41fa384b41e52c6010f10c798fff39e1b055d7","id":1257361,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793376927641654,"prev":1255633,"subject":"mcp_registry:io.github.Kromatic-Innovation/neumann","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x8ae54342ca52903994ade6a262442b80c71aa6b9847d0ebfe4fa478409df8845
2. 0x1591eb55627943d13e3c3f44c6c78ab6463af6b1d92f1fb0fcf838d34080c07a
3. 0x31a8c26363b61a5ac38bb54e55745d249d085b3d7f81daf6278f9547373cccca
4. 0x1bdf66f7aefc0d8ba222b0b175055425e3158ba6bbdced00ea84468a037665b6
5. 0x692524061da5b09196201cc79d3eaa24468d6a2c733fca8f3809c50c0f72e25e
6. 0x2a6a885119835b61ea95d35e0407c7f83d5ba3e8226d9650791f09080b5b1e2f
7. 0x457a2587d61d068fab38253bce1647ac8f9768384791e40545da4f1b7c16fbcc
8. 0x9438c35b79dbb2d3fbe1ddc6a75df3f014767e245d96d6da89dfe69499c15905
9. 0xe9a8dec2a383edc3efebe9e9bdc85ae3421db0218ea17db49a45fcef5a61475e
10. 0x2c1f532983ec2445ce275b0c5b0dbace3331695bc2d6621108fc604bb3c97418
11. 0xfc5c2bf38d2f1a420c6f00df31586bfc35f29db1db4847e0fd137be690d7f72a
12. 0x81916dd936179b607dcb6a7343b91855bf97f0b7c7bd2a7f252b2fdf82e041da
13. 0x0d06f2034510d710ecc68d1e2023d7419591dfad7a7afe8433d9d14c42fb1ce4
14. 0xc819bc399b4972a3a1ce1897d0bce2138291f900ae9bdb4afaf8fa23d651b490
15. 0xe722b5213af778d8f1621b8b0b61f957ac8d8bb43a780aed8989bfc357e5bc58
16. 0x835211170e79bdce1a823ec914e3532e128f77751e9074286da35091b0200284
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861