Evidence row 55690

What was observed

{
  "endpoints": [
    [
      "web",
      "https://quantcontext.ai/"
    ]
  ],
  "name": "QuantContext",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-03-08T16:36:06.358323Z",
        "status": "active",
        "statusChangedAt": "2026-03-08T16:36:06.358323Z",
        "updatedAt": "2026-03-08T16:36:06.358323Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Deterministic stock screening, backtesting, and factor analysis for AI trading agents",
      "name": "io.github.zomma-dev/quantcontext",
      "packages": [
        {
          "identifier": "quantcontext-mcp",
          "registryType": "pypi",
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.2"
        }
      ],
      "repository": {
        "id": "1174581808",
        "source": "github",
        "url": "https://github.com/zomma-dev/quantcontext-mcp-server"
      },
      "title": "QuantContext",
      "version": "0.1.2",
      "websiteUrl": "https://quantcontext.ai"
    }
  },
  "source": "mcp_registry",
  "summary": "Deterministic stock screening, backtesting, and factor analysis for AI trading agents"
}

What the leaf hashes

{"body":"5a1b748fba60dd9cffd6c6f967fcf1a40880aafd02a13021b0675fff657ace10","id":55690,"kind":"listing","method":"baseline/1","observed_us":1793025435351811,"prev":null,"subject":"mcp_registry:io.github.zomma-dev/quantcontext","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. 0x30a0ed58e4e4cec1f4c397fbbe6c5d160782dfe5f9069e0929fdc7f891fe8471
2. 0xc6c7fd6c029cafbd3149cf11209ba48c3172655cb2eaec15236d4d334d32bd65
3. 0x35638e4a4360662bf1f2f5080e9ba64f3b11cd70450aef499400d8a7f2e12c67
4. 0x6a93cd6aa02477c03a2902594f410a51a10c0f3be425ef0a476dfc43dc8bdca6
5. 0xe091d20cf39eb4f5873a7d37f3cf47e5c8cb8bd370745384e7948cf51c5b1929
6. 0x11d92bffd44d440995e4967b53457bc827b5bcf4ab4185d0a4e42d96cfc95750
7. 0x0827a9a55110076aedacb9e028b1e19b33dbb36c1e22945946bccf5d1983ab2b
8. 0x192b6a582ca5edc52fc9e17df57fd8694908c9c00b7c1424a32ba352d77ff634
9. 0x0873cae3f9ee0333b9da41ab852b9038c536f7405fd7f4e58870bb84e7a9fa75
10. 0x0886695ce8b00ff9cb3b286883a23d258a3fbdfe296f9e24a8b5f848bccd41cb
11. 0x66b4d790d6ae725a0af009d5a6edacaec5a6147d597bc8410a97be11d56a00d1
12. 0xd85c7204d76d26255c94ef4caa12c05addd08238caa5cdc3888ea60b74e6b940
13. 0x36a44931b230976c04691d90bf3a25ed4111d74c78b672850d8025a911ca88dd
14. 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae