Evidence row 17418

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://app.marginofinsight.com/api/mcp"
    ],
    [
      "web",
      "https://marginofinsight.com/"
    ]
  ],
  "name": "Margin of Insight — Equity Research",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-05-17T11:51:37.292221Z",
        "status": "active",
        "statusChangedAt": "2026-05-17T11:51:37.292221Z",
        "updatedAt": "2026-05-17T11:51:37.292221Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Equity research API for US-listed companies. Free primer, $1 fundamentals, $2 investment memo.",
      "name": "com.marginofinsight/research",
      "remotes": [
        {
          "headers": [
            {
              "description": "Stripe Shared Payment Token for paid tools (get_fundamental_analysis, get_investment_memo). Format: `Bearer spt_…`. Free tools (get_company_primer, list_coverage, search_research, request_coverage) require no header. See https://docs.stripe.com/agentic-commerce/concepts/shared-payment-tokens and https://app.marginofinsight.com/api/v1/well-known/spt.",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://app.marginofinsight.com/api/mcp"
        }
      ],
      "title": "Margin of Insight — Equity Research",
      "version": "1.0.0",
      "websiteUrl": "https://marginofinsight.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Equity research API for US-listed companies. Free primer, $1 fundamentals, $2 investment memo."
}

What the leaf hashes

{"body":"50ca9112e03b6caee729be7ab6aa0b0517d520451b4091a7530f1c5008994ce0","id":17418,"kind":"listing","method":"baseline/1","observed_us":1793025326565456,"prev":null,"subject":"mcp_registry:com.marginofinsight/research","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. 0x3b0f8b4ea287720e4f122cd660cd99d6a07b769e278569a876ddb1313b14d79f
2. 0xb46a32601885712bb492075e8da664194e0085b5b010e0a7dfc5ffca1c7429af
3. 0x7c396364950343462b0295ae7794341edf9db7f186e170ba317d3a2b9e93b726
4. 0xb79600c960c49665b98885847c68cc3f1069698976afa41e12be147606e9d59e
5. 0xecf08974a935b88fc779a390497b0e66c9086d31d3f935fc8dae30ab3b7949a9
6. 0x0c707651a0790e21a62002e925fbd0016bb04cfabe7f153434a914aa53036e26
7. 0x925e4adb27ab14371cb75017f756960ac80df877cc01c3207027c254e8d84caf
8. 0x94f3f9eea4247c10773023f8c9494467060f41c01fba7326e6c895d0a25b6f96
9. 0x18b5713377bea4f923f56bca7d2a93006479c12b53ba7d1abc287c9b630232df
10. 0x0c9588d83dbdbfe86d2f03c80aaae11aaa963d8c04ce31ca8923453d940310f4
11. 0x229584c1d304842544db84ca7b368b5ececeb9d3bea2b23265eba1c7595d1220
12. 0xdb4b9388e3fe1df4b04e149e559f925fb354066ae1d2537fd6f918162716fadf
13. 0xe2214b3d6a48396930d1739b02ea366de2aac5337c9b9ff2aff28cecf6518139
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae