Evidence row 306261

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Semantic search over The Network catalog. Returns skill entities ranked by embedding similarity.",
      "inputSchema": {
        "properties": {
          "entity_type": {
            "description": "Entity type to search. Default: skill.",
            "enum": [
              "skill",
              "agency",
              "sector",
              "role"
            ],
            "type": "string"
          },
          "limit": {
            "description": "Max results (1–50). Default: 10.",
            "type": "number"
          },
          "query": {
            "description": "Natural-language search query.",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "local_search"
    },
    {
      "description": "Read an external web surface, discovery-first: returns its WebMCP/MCP server-card manifest when one exists; otherwise DOM-dehydrates the page into an indexed interactive-element text map (static parse, truth_class=inferred).",
      "inputSchema": {
        "properties": {
          "max_chars": {
            "description": "Text-map character budget (default 8000).",
            "type": "number"
          },
          "url": {
            "description": "Absolute http(s) URL of the surface to read.",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "read_surface"
    }
  ]
}

What the leaf hashes

{"body":"d4986fefae22f68c1036b2e6c4e041b2e0fd7946d9456bb5de340b806a771c3a","id":306261,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056898419191,"prev":null,"subject":"794217ec-0dd1-46cb-9fee-84646de7e816","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. 0x4edc00b5426c9c57cb8f34514c01a0e675479eb1b4d87fc90cc89ab6b7c4820d
2. 0x948322f94e751913524640f84651a59d7def57be0df5d9ce3f94dd3543f3495b
3. 0x5a291c6e56ec14b24837dc9aa565fa097dac088d9e71bf9e7153e5d065d629d7
4. 0x4bb591866212717f86db295889903e141e5b765dd11830b3cfb60f29b4f49e56
5. 0x06c4d512b143ae3898b31622e731ed767ff58de6501e2612e77ffc563be81518
6. 0xc6c62ce57e64676d1a9a235d141f2b5ec19bb0f9ad264d31a21e6514efc2ca37
7. 0xdcb8d1a194ea01b9556ca37ee2b649022f020536052d84707686a6435ca36151
8. 0xccbb2bc8ce663d283945f497e0f991f81f1eac8db4238394e8cc9e008fe16f1c
9. 0x7463bd78363bf2cd2c5fdb24b12be1195912ca04e7b8d9bc519edcfad0a32444
10. 0x3c2a519207c7fbe7025a4c98d41e42ecc9446b3fb0b1dbff629a91c8c74e0781
11. 0x20ba86fd56bddd46212d02e792b969e90a1167c4fb9ba4a54cb7da5cf7da1629
12. 0xaf14a84837a57dc5a0cb0ebd158daaad24c19301b9257d9e97c322a7d8c54bc0
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