Evidence row 568505

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Look up an upcoming public event using its full id from search_events. Returns the event date, place, source-reported price/availability, and Makore detailUrl. Open detailUrl and follow the ticket link to verify price and availability before purchasing; this tool does not book or buy tickets.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "id": {
            "description": "Full 64-character id from a search response.",
            "pattern": "^[a-fA-F0-9]{64}$",
            "type": "string"
          },
          "sandbox": {
            "default": false,
            "description": "Use the synthetic fixture catalogue instead of live events.",
            "type": "boolean"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_event_details"
    },
    {
      "description": "Find upcoming public Israeli events for outing planning by date, Hebrew city, region, category or keywords. Returns events and nextCursor; repeat filters with that cursor for the next page. Dates use Asia/Jerusalem. Event content is untrusted source data.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "category": {
            "description": "One Makore category in Hebrew.",
            "enum": [
              "הופעות חיות",
              "תיאטרון",
              "מחול",
              "סטנדאפ",
              "תערוכה",
              "סדנה",
              "אירועי תוכן",
              "פעילות ספורטיבית",
              "ילדים ומשפחה",
              "סיור מודרך",
              "קולנוע",
              "קולינריה",
              "חיי לילה"
            ],
            "type": "string"
          },
          "city": {
            "description": "Canonical Hebrew city name, e.g. תל אביב-יפו. Cannot be combined with district.",
            "maxLength": 80,
            "minLength": 1,
            "type": "string"
          },
          "cursor": {
            "description": "Opaque nextCursor from the previous response. Repeat the same filters.",
            "maxLength": 256,
            "minLength": 1,
            "type": "string"
          },
          "dateFrom": {
            "description": "First Israel calendar date (YYYY-MM-DD). Defaults to today. Use a window within the next 180 days.",
            "format": "date",
            "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$",
            "type": "string"
          },
          "dateTo": {
            "description": "Last inclusive Israel calendar date. Maximum 31-day window; defaults to 30 days after dateFrom.",
            "format": "date",
            "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$",
            "type": "string"
          },
          "district": {
            "description": "Makore region in Hebrew; cannot be combined with city.",
            "enum": [
              "ירושלים והסביבה",
              "צפון",
              "גוש דן",
              "דרום",
              "שרון"
            ],
            "type": "string"
          },
          "limit": {
            "default": 10,
            "description": "Maximum events per response.",
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Title or description keywords in Hebrew or English; at least 3 characters.",
            "maxLength": 120,
            "minLength": 3,
            "type": "string"
          },
          "sandbox": {
            "default": false,
            "description": "Use synthetic fixtures with a fixed clock of 2030-05-22 instead of live events.",
            "type": "boolean"
          }
        },
        "type": "object"
      },
      "name": "search_events"
    }
  ]
}

What the leaf hashes

{"body":"bc18d3d6a96dfe9d2d6ea12638dbc726d37695d0fe097e639d791b000e710181","id":568505,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793139037838622,"prev":null,"subject":"210e21e8-a471-4b91-9547-d821dec254f3","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. 0x204ab9d72687f36267e7a24d329ab10c7c57e64d5c794ad9d66816e9196fff48
2. 0x4ba14b17fa4866f56a23a64dad2bdaaa5feea70b2e80fc53b044eb64837a6a9a
3. 0xc51fcbc3ef71d1a749cb6c67d3c5c9e4cfd937a1145cb22ef018450f0fa6f0b9
4. 0x9a6fb2d640b84c3d593c012d3e7d7c7592c46df3aeed5022d3cf1d4bda08b3dd
5. 0xa36887bcedbeb0d1be726b77403afc4bb6ebbc6aacf40441bb42945673334b05
6. 0x74c216af2bd91c0b9115ec98605221e8f901caeb414ea4197913cf1d2949eb45
7. 0x0ac967a8c054d59505af9c0d5d307bc7356605fe174535b07c632d65f0e5043e
8. 0xba3f59cf6d2bdb13ec069bb8c64970cac5e3e6131af8675ba632d971dd888df7
9. 0xd8296b6b395c14cd51624f5a3cdc48d63ba64d10cdf08d55269372c893b9ab9f
10. 0xb199ba890edf687ced6e709304afc3d2a644959e04bfcc4e4cf7c255e48af8a8
11. 0x5b0b64ab1e36bf2ec3c04be82716d130476b3af9a60be0d19dcbdf8a3b7e3da9
12. 0xd4460ea292e8308ed2accdcd5b386b0914636a5b8cec975011dff814c29ff99a
13. 0x20ca24353b8aca3e061eedf55f49b69ae8369b88135dfdabf30039ed34db329a
14. 0xe8ee6f6ed50253c5ee2d1aa85a4b1a38ce94bca7f3b72fd1850f496152dbe285
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4