Evidence row 295472

What was observed

{
  "count": 8,
  "tools": [
    {
      "description": "Compare 2–5 entities across the four scoring dimensions.",
      "inputSchema": {
        "properties": {
          "slugs": {
            "items": {
              "type": "string"
            },
            "maxItems": 5,
            "minItems": 2,
            "type": "array"
          }
        },
        "required": [
          "slugs"
        ],
        "type": "object"
      },
      "name": "compare_entities"
    },
    {
      "description": "Get the full record for one entity by slug: scores (4 explainable dimensions), evidence, sources, tags, links.",
      "inputSchema": {
        "properties": {
          "slug": {
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_entity"
    },
    {
      "description": "Get an entity's relations (alternatives, built-on, integrations…) with confidence and target names.",
      "inputSchema": {
        "properties": {
          "limit": {
            "default": 20,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "min_confidence": {
            "default": 0.7,
            "maximum": 1,
            "minimum": 0,
            "type": "number"
          },
          "slug": {
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_entity_relations"
    },
    {
      "description": "Get the current published snapshot metadata: version, counts, freshness, validation.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_snapshot_meta"
    },
    {
      "description": "Get the full continent + region taxonomy.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_taxonomy"
    },
    {
      "description": "List entities, optionally filtered by continent / type, ranked by score_mode.",
      "inputSchema": {
        "properties": {
          "continent": {
            "type": "string"
          },
          "entity_type": {
            "enum": [
              "product",
              "open_source",
              "model",
              "organization"
            ],
            "type": "string"
          },
          "limit": {
            "default": 20,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "score_mode": {
            "enum": [
              "overall",
              "trending",
              "popular",
              "influential"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_entities"
    },
    {
      "description": "List the 12 AI continents (tracks) with node counts and top nodes.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_tracks"
    },
    {
      "description": "Search AI products, models, agents and organizations by keyword. Returns ranked matches with scores and why they matched.",
      "inputSchema": {
        "properties": {
          "continent": {
            "description": "L1 continent name, e.g. 'AI Coding'",
            "type": "string"
          },
          "limit": {
            "default": 10,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "q": {
            "description": "Search query",
            "type": "string"
          },
          "score_mode": {
            "enum": [
              "overall",
              "trending",
              "popular",
              "influential"
            ],
            "type": "string"
          },
          "tag": {
            "type": "string"
          },
          "type": {
            "enum": [
              "product",
              "open_source",
              "model",
              "organization"
            ],
            "type": "string"
          }
        },
        "required": [
          "q"
        ],
        "type": "object"
      },
      "name": "search_entities"
    }
  ]
}

What the leaf hashes

{"body":"961ddd71262c636c1dec885fedaa0d9c92deae599af1454bb072de521a969c66","id":295472,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793050970415857,"prev":null,"subject":"4044925f-ee74-4034-9c37-854fa14cc8c1","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. 0x38c3b970128446a784dc36510bc74df1ba1bbe826d3b03dff7a3c2366bbeb337
2. 0xbe15e1419bcc4fdff9e586b484518af75c578ffb12903d8f0f8b63ec9557dbd4
3. 0xf7fd823e899967e5294e585b7dbf7b068cb8938850d2d4eb207297707e844f79
4. 0xe505b017966e1430908154c12f26c25e4bd243c6dddbec50fd74d699cb48fb65
5. 0x73f90a4f949d84993989bccb3b6a5c900524a994698ac57d8dd42efaa7b70e7b
6. 0x7f991b9a7f229b03923c60e039d0536e893597cf744ff0c95c9f945982540e09
7. 0x5ccf9aa2ab4bd74be72e988eae875868e953bd487898d64db49ba58a83d5372b
8. 0x14e9ca9e47c81eeaadf7a55394a3937c8ca47a831e2d1fd38a272457f99608fc
9. 0x00a148e9e2ad4c6089060a83d132c866dbf880fddd6836d0615294de0a7c2880
10. 0x9f3071ed8f2d0f3fa297d8d2cbe6bc9d92b7f12cd4c3d713d5debd20d9bd5436
11. 0x04a1aa6c1d916326b08791d1568a512f10ac6aaee806ec4073570b0a6b1b64af
12. 0x18cc4431e4bbe45ee72defb9bb3318434364bf71c883055c6197fa7102ec601a
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