Evidence row 557997

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Get a SofiaStage editorial collection, article metadata, and precomputed upcoming events by exact title or route slug.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "name_or_slug": {
            "description": "Exact public name/title or route slug.",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "name_or_slug"
        ],
        "type": "object"
      },
      "name": "get_editorial"
    },
    {
      "description": "Get one event by canonical show_stable_id or legacy source ID, optionally including related performers and editorial entries.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "event_id": {
            "description": "Canonical show_stable_id (preferred) or legacy source ID.",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          },
          "include": {
            "default": [
              "stars",
              "extras"
            ],
            "items": {
              "enum": [
                "stars",
                "extras"
              ],
              "type": "string"
            },
            "maxItems": 2,
            "type": "array"
          }
        },
        "required": [
          "event_id"
        ],
        "type": "object"
      },
      "name": "get_event"
    },
    {
      "description": "Get a SofiaStage performer or creative-team profile, biography metadata, public links, and precomputed upcoming events by exact name or route slug.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "name_or_slug": {
            "description": "Exact public name/title or route slug.",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "name_or_slug"
        ],
        "type": "object"
      },
      "name": "get_performer"
    },
    {
      "description": "Search cities, venues, production titles, performers, or editorial collections. Performer and editorial results are compact; use their detail tools next.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "city": {
            "maxLength": 160,
            "minLength": 1,
            "type": "string"
          },
          "kind": {
            "enum": [
              "city",
              "venue",
              "title",
              "performer",
              "editorial"
            ],
            "type": "string"
          },
          "limit": {
            "default": 10,
            "maximum": 25,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "maxLength": 160,
            "minLength": 1,
            "type": "string"
          },
          "scope": {
            "default": "sofia",
            "enum": [
              "sofia",
              "all"
            ],
            "type": "string"
          }
        },
        "required": [
          "kind"
        ],
        "type": "object"
      },
      "name": "search_catalog"
    },
    {
      "description": "Search current cultural events by Sofia/all-city scope, city, date, local time, venue, title, performer, or editorial collection. Returns stable event IDs and cursor pagination.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "city": {
            "description": "City name. Providing a city takes precedence over the Sofia default.",
            "maxLength": 160,
            "minLength": 1,
            "type": "string"
          },
          "date_from": {
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "date_to": {
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "editorial": {
            "description": "Editorial collection or extra name.",
            "maxLength": 160,
            "minLength": 1,
            "type": "string"
          },
          "include": {
            "default": [],
            "items": {
              "enum": [
                "stars",
                "extras"
              ],
              "type": "string"
            },
            "maxItems": 2,
            "type": "array"
          },
          "limit": {
            "default": 10,
            "maximum": 25,
            "minimum": 1,
            "type": "integer"
          },
          "page_token": {
            "maxLength": 2048,
            "minLength": 1,
            "type": "string"
          },
          "performer": {
            "description": "Performer or creative-team name.",
            "maxLength": 160,
            "minLength": 1,
            "type": "string"
          },
          "query": {
            "description": "Performance-title search text. Bulgarian and Latin transliteration are supported.",
            "maxLength": 160,
            "minLength": 1,
            "type": "string"
          },
          "relative_date": {
            "enum": [
              "today",
              "tomorrow",
              "this_weekend",
              "next_7_days"
            ],
            "type": "string"
          },
          "scope": {
            "default": "sofia",
            "description": "Default Sofia-only scope, or all cities.",
            "enum": [
              "sofia",
              "all"
            ],
            "type": "string"
          },
          "time_from": {
            "description": "Local Europe/Sofia lower boundary for the first requested date.",
            "pattern": "^(?:[01]\\d|2[0-3]):[0-5]\\d$",
            "type": "string"
          },
          "time_to": {
            "description": "Local Europe/Sofia upper boundary for the last requested date.",
            "pattern": "^(?:[01]\\d|2[0-3]):[0-5]\\d$",
            "type": "string"
          },
          "title": {
            "maxLength": 160,
            "minLength": 1,
            "type": "string"
          },
          "venue": {
            "maxLength": 160,
            "minLength": 1,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_events"
    }
  ]
}

What the leaf hashes

{"body":"c4554ec3dd18b618df2975b3d8621d74682b0df7f779e87015ab3d68bdbb9cc0","id":557997,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793134906947749,"prev":null,"subject":"29f3e0b7-e791-49bf-b71d-bda3e0201a9d","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x8c9e86ee335e20550125088c469712779c48bc627193b79973bd42d7c68639dd
2. 0x7f6ffe0e56422e9e35f58139e07f22a8f740e7d2f67422979f68cbccab103512
3. 0x2975dd78f5d97c2e97d838f1ea3e70625d51ec0379bb6fd6e6285852c910dda7
4. 0x1e920e8cfe226c8b3dba9e2f284bc7a9abff33e39614f64a3eefd3da367605fe
5. 0x2d46dbf49ced8e1a799e871d9c569567b7994ac0c9e1362c5ce8626ba64c56da
6. 0xe437d050f47ce07a2ff5b07ab9f002bb6b5939c62dce0b8174683a0bfbb3b93a
7. 0x465391f6b6b48e52da7b7b3aa3acb94614958f9ae77755a3134a6ca7412165da
8. 0xcf6bdc8abecc59bbf20cb556a5cce6003b3d21fa65b1db8b55f1dd488b36e88f
9. 0x98d6bb371122e92230185a8b978b69f55762e17758f229b44338bb87f46ab2c3
10. 0xc1331aae173809d37278896bc4139f0963b9592a61ad4921cc72c27b7161c500
11. 0x918cac431c645247ff7c6aab6fcb71f2cad5755647ddf67674f244b28dd2eecc
12. 0xe9b891332733aa3fa69ace7f82b036df13816078968e2c10034f79c2255498d0
13. 0xea3d566bf95ca7a3a7f6de9c4f77180bd8c5ffd160486a27d870e8a2fb6d0b9e
14. 0x06e3b43165f5b3c31d850bc32f20b2e25b844564c4e042c141b9748c26a5a600
15. 0xb4f7223140c8a36cb87a63d77cf617086d9968dc4658f03e102571ebe06e9ed6
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4