Evidence row 307464

What was observed

{
  "count": 8,
  "tools": [
    {
      "description": "List upcoming events in a city, optionally narrowed by category. Equivalent to search_events with just {city, category}. Returns markdown bullets where each title links to livespot.se — preserve those links when summarizing. City slugs are ASCII (goteborg, malmo); Swedish characters are normalized automatically.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "category": {
            "description": "Category slug to filter by.",
            "minLength": 1,
            "type": "string"
          },
          "city": {
            "description": "City slug in ASCII (e.g. goteborg, malmo).",
            "minLength": 1,
            "type": "string"
          },
          "limit": {
            "description": "Max events to return. Default 10.",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "city",
          "category",
          "limit"
        ],
        "type": "object"
      },
      "name": "browse_city"
    },
    {
      "description": "Fetch a single LiveSpot event document. Returns { id, title, text, url, metadata } per the OpenAI Deep Research spec.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "id": {
            "description": "Resource id (event id or slug) returned by search.",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "fetch"
    },
    {
      "description": "Fetch the full detail for a single event. Accepts a full event id, a full slug, or the 8-character short id at the end of a slug (e.g. \"f13a31ab\"), as returned by search_events, browse_city, and search. Returns a markdown block with a linked title heading plus description, venue, city, date, and price. Preserve the title link when citing the event so users can click through.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "id": {
            "description": "Event id, slug, or short-id prefix as returned by search_events.",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_event"
    },
    {
      "description": "Find events related to a given event (same city, nearby date, overlapping category). Returns markdown bullets where each title links to livespot.se — preserve those links when summarizing.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "id": {
            "description": "Event id or slug.",
            "minLength": 1,
            "type": "string"
          },
          "limit": {
            "description": "Max related events. Default 6.",
            "maximum": 12,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "id",
          "limit"
        ],
        "type": "object"
      },
      "name": "get_related_events"
    },
    {
      "description": "Return the canonical LiveSpot category catalog with both Swedish and English slugs. Pass either slug to other tools as `category`.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "list_categories"
    },
    {
      "description": "Return all LiveSpot cities with their slug, region, and upcoming-event count. Use the slug (ASCII) as the `city` argument to other tools.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "list_cities"
    },
    {
      "description": "Search LiveSpot events. Returns { results: [{ id, title, url }, ...] } per the OpenAI Deep Research spec. Event content originates from third-party ticket providers.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "query": {
            "description": "Search query.",
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search"
    },
    {
      "description": "Search LiveSpot for upcoming events across Sweden. Use this when the user asks what's on, what events are happening, what to do, or anything about concerts, sport, theatre, or shows in a Swedish city. Supports free-text, city, category, date range, and max price. Returns a paginated markdown list of events where each title links to livespot.se. Preserve the markdown links when summarizing so users can click through. City slugs are ASCII (goteborg, malmo); Swedish characters are normalized automatically (å/ä→a, ö→o).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "category": {
            "description": "Category slug. Accepts Swedish or English: konsert/concert, teater/theatre, humor/comedy, etc.",
            "minLength": 1,
            "type": "string"
          },
          "city": {
            "description": "City slug in ASCII (goteborg, malmo, stockholm). Swedish characters are replaced: å/ä→a, ö→o.",
            "minLength": 1,
            "type": "string"
          },
          "endDate": {
            "description": "Include only events on or before this date.",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "limit": {
            "description": "Results per page. Defaults to 10 to keep payloads under ~100KB.",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "maxPrice": {
            "description": "Upper bound on price_min, in SEK.",
            "maximum": 9007199254740991,
            "minimum": 1,
            "type": "integer"
          },
          "page": {
            "description": "Page number (1-indexed).",
            "maximum": 9007199254740991,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Free-text query. Accepts natural-language input like \"metallica in stockholm next month\".",
            "minLength": 1,
            "type": "string"
          },
          "startDate": {
            "description": "Include only events on or after this date.",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          }
        },
        "required": [
          "query",
          "city",
          "category",
          "startDate",
          "endDate",
          "maxPrice",
          "limit",
          "page"
        ],
        "type": "object"
      },
      "name": "search_events"
    }
  ]
}

What the leaf hashes

{"body":"352aa05d4e6d714fee7fdfc7ac5baba0a9cd0e817e1ab38a69e8257189b85399","id":307464,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793057684628650,"prev":null,"subject":"7569fddd-1a90-4275-b5b0-eaab7d4ec1d4","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. 0x9a12c632d4ad031ee77983682072da16ad43125b29e589fdd433ef6ff977a541
2. 0x41a046ba807cc789c1ab8865c395ccecdfe103c8af01fd2b3c271ec1d52ffaa9
3. 0x778227b2cbe392fa9823795c0ad68fe42fc4a1e063ee442cc8d63f39cbb544a6
4. 0x6baba353a91f070253a0bbd9bffa0a904b7fdaae61da649a654b52750fe549ae
5. 0xc054944f661fcf3c47fa434a557ee4309387bc9ad67011157b0782fdb98be397
6. 0x70b540982a947177a84792ec6232b358acf8bb35926aa5256de4cf91538baeaf
7. 0x5aff1d7aa37d1ae9f2788b39d8ea91b1ce74a4d8e1518dc1e9a1bbce98927bcb
8. 0xec87a765eebcc5ea319a75f7ec7b2d7ec32cbdc54bbc501a0a0de36b8a8023ea
9. 0xcd45fafe8adfe77a8f713da013a9a729663a51ac086a5a47fb524f27e9a9de55
10. 0x5f0ab04037f02b99972d6b76445e37cd5ba1ec6ac47f36a9b265411ab683344b
11. 0xee5ef8d84c329a24d375330252426182463aa2a536127b218e61007c87101323
12. 0xfee33ee0189dc82c649bd0324796a297b897507b2fddbbe2eff331c40c960ce2
13. 0x239fd39716710e7412bd120c373072b4c0d8b11bb9ee431dad62a2ce57b3d6f4
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae