Evidence row 29112

What was observed

{
  "endpoints": [
    [
      "web",
      "https://opentakeoff.kentucky-ai.com/"
    ]
  ],
  "name": "OpenTakeoff",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-25T11:14:07.654503Z",
        "status": "active",
        "statusChangedAt": "2026-10-25T11:14:07.654503Z",
        "updatedAt": "2026-10-25T11:14:07.654503Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Construction takeoff for AI agents: load plans, set scale, measure, count, export with provenance.",
      "name": "io.github.Kentucky-ai/opentakeoff",
      "packages": [
        {
          "identifier": "opentakeoff-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.9.100"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/Kentucky-ai/opentakeoff"
      },
      "title": "OpenTakeoff",
      "version": "0.9.100",
      "websiteUrl": "https://opentakeoff.kentucky-ai.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Construction takeoff for AI agents: load plans, set scale, measure, count, export with provenance."
}

What the leaf hashes

{"body":"f6073de4a0efe68b8ba58fd3c1665839d45f5f370981b34afc96b82b483a3349","id":29112,"kind":"listing","method":"baseline/1","observed_us":1793025360559031,"prev":null,"subject":"mcp_registry:io.github.Kentucky-ai/opentakeoff","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. 0x61ccc29b53d9fddbc3152da01b0fd159e9639e37a2474faf54f5f5a450149d1a
2. 0xaa349523b5fbbed153ec5835dd7b6759eda4a4cf25b37b1b6a22e30d1e12004a
3. 0xa217a1d1a97eb7db1dceec2974a72988c732072b7d6b3e59150a96b6fa9b9b33
4. 0x9fe3f536c10592d3d72ae78e5f943b1ffdf148c5c6ee0d6e6099a9047ac7c638
5. 0x89c6a4d19155c9d22197b159ee84f8b8e827c9582699dcd896b61739a8037d0b
6. 0x0afb02afe0f6880d54be010fcacbace52319e157776b9902268fc7a1f2ce24f7
7. 0xa6ffa8da77ed6482f437ac14e0893d6d425f3b4de4a5db1882d8d141b14a6bc7
8. 0x2bb6447a890b152fda247659e2798e5321e0509497d1d63b8c9b1ad180219ccd
9. 0xa37388fe7781d4697925f4d021ff2138a2bb48ed9b15b66fa2e895252b2d7f8a
10. 0x7c4a137a143139d8d27a5db1f0f237b9e722329094da7356bef539103a830211
11. 0x3d00f56ff37fbd465b8abeb2be25801b2734d79745152d15324c296fa2518752
12. 0x7285c0b02d1aedd949b8ba0c7b2499f7121588ebdd4c96ef8725919bb84dd534
13. 0x89fcaf55e37dd777228f271b79ea895534a66ec0d184363c2a6eb1b4d23c9ef1
14. 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae