Evidence row 257990

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Retrieve metadata and a short public excerpt for one exact public skill ID. The excerpt is limited to 203 characters and may be truncated. Returns public catalog links and preview access status, not complete instructions, account data, or private or paid content.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "id": {
            "description": "Exact public skill ID, such as software-skills/code-review.md.",
            "maxLength": 240,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "skilldb_get_preview"
    },
    {
      "description": "Search the public SkillDB catalog for reusable AI-agent guidance relevant to task keywords, with optional category and pack filters. Returns paginated metadata and public catalog links. Does not return complete instructions or private skills.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "category": {
            "maxLength": 80,
            "minLength": 1,
            "type": "string"
          },
          "limit": {
            "default": 10,
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "offset": {
            "default": 0,
            "maximum": 1000,
            "minimum": 0,
            "type": "integer"
          },
          "pack": {
            "maxLength": 120,
            "minLength": 1,
            "type": "string"
          },
          "query": {
            "description": "Task, topic, or technology to search for.",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "skilldb_search"
    }
  ]
}

What the leaf hashes

{"body":"dbc01977c4e255568917d0c2e375ee314dfa76912a472f761faaa4e9bd90e270","id":257990,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793029870920651,"prev":null,"subject":"ed28f197-2059-4823-9e80-916fc160bd0c","subject_kind":"endpoint"}

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. 0x1a34cfeaad71246bd3f38f232fdcde3c98645d4219ea0b27db38d5cf52c859c7
2. 0x939ca9d497f6bcd7fdf69f2f1e9a68af75e41f561df387166b586d202d1ee717
3. 0xc62d7dcbf14303880a4da6529c7aacb1096b680c62f86a0b6d8cec1f322f3543
4. 0xec86d6e584eba666124805927969059b30d25d358280601e5421f587da7fa8ce
5. 0xba46617cd3604cbe2d5903781f4829d38d5d7833d6ecfa88e76913fc869f7804
6. 0x2f59acb73be330270d3231ec916f6d3c2a8425a77d516362cb0637964798e90e
7. 0xd26dad7132f5ea216c9ee9fa5a93e21ff5f12fdc0dc9a5be47725d6659440669
8. 0x2cc7aac248936fb123213cfa64b0530ede3c332c47775ad322d1df7d26354258
9. 0xe6e4254a8723d8930479e5f77cf75c44851c9b08b81c0bb74b2598a9e74f7537
10. 0x6d27c5c63ea66456b677294ea72b347a864d782d8f8fd8c013fee5d576ad8725
11. 0x6a51e1d524ffd968d6f505e10f76aacd4ae61fc223a88a38ef8820592653c75a
12. 0x6a8a72430804a14ec575375f3d0ca4364f58310afb2c2e8c92b72f8b75809db9
13. 0xe00c7829e46541e49a308807d357db902e06eff941a833217a8f0dbccd3964f1
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae