Evidence row 17943

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://modevc.com/api/mcp/chart-open-weight-models-2026"
    ],
    [
      "web",
      "https://modevc.com/charts/open-weight-models-2026/"
    ]
  ],
  "name": "Mode VC Chart: Open-Weight Models in 2026: How Many Launch Open?",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-18T01:42:34.046659Z",
        "status": "active",
        "statusChangedAt": "2026-10-18T01:42:34.046659Z",
        "updatedAt": "2026-10-18T01:42:34.046659Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Of 51 named model launches since 6 Jul 2026, 22 stated their weights: 18 closed, 4 open. All.",
      "name": "com.modevc/chart-open-weight-models-2026",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://modevc.com/api/mcp/chart-open-weight-models-2026"
        }
      ],
      "title": "Mode VC Chart: Open-Weight Models in 2026: How Many Launch Open?",
      "version": "2.0.2",
      "websiteUrl": "https://modevc.com/charts/open-weight-models-2026/"
    }
  },
  "source": "mcp_registry",
  "summary": "Of 51 named model launches since 6 Jul 2026, 22 stated their weights: 18 closed, 4 open. All."
}

What the leaf hashes

{"body":"c064740adf45a9ce4aba8eb1a1ce594b95a7bc9709c5d95d4f79299c65bf6007","id":17943,"kind":"listing","method":"baseline/1","observed_us":1793025328206477,"prev":null,"subject":"mcp_registry:com.modevc/chart-open-weight-models-2026","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. 0x51519a4ba79501276a4d1e2b56dcf2b35dcb490bff63b3708ae47f3c779a1f1a
2. 0x41ce1cca6d3fd8ec72ae3e44029c13f8b5052863ca654142faca45d06280a5f4
3. 0x4818c0e8ba48809eeec6ab379f830772d22881a231087c10564c361e6df321b9
4. 0xb19e5eeda1c665dc0df670634824a82c72e75547f3bf60a4a6376b2b7e1791b7
5. 0x0040958382908a44b5f7b878a28a9103c9647c8ac5f26620e841852d00ed52bc
6. 0x81b707b5cdbb47fc757c56a3a9e6c77bb6aea5c0609529b6dc3212dbf8d6c4d4
7. 0xf4130ce971783c457ec3df2adb65ead02ea745fc19b735390622810211ae8655
8. 0xbf7f2d7a415b82bbc74ba3e4b256d43504b7382b73f2acfb68bce1a176520e66
9. 0xa52d42a5346e0512b6ec1b03939534597318bcf354b17a7f65bcc9fd29d6855a
10. 0x645ef58b69b469e4c309b22dfe9ca3f972fe60aa617a1dcb95a02418c0d9270c
11. 0xfa039eb62e5d0ae9f7aaaafb0fcbceacfa661b07228233046b9a9af94e547a55
12. 0xecaf47ba75097c34f2d3c4d62539dace0db8b484bf08941a9259e2d1e8ccea77
13. 0xf7d2cf278e5d2768b8bdb70730c378877cf7165d8efcbec8bcd3282fdc50d177
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae