Evidence row 564136

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Use this when the user wants to find events in Germany: concerts, parties, club nights, festivals, open airs, workshops, markets or community events, in a city or near them, for a day, a weekend or a date range. Returns upcoming public events with date, venue, price and a wullup.com link. Do not use it for buying tickets, for events outside Germany, or for past events.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "category": {
            "enum": [
              "concerts-and-music",
              "party",
              "festivals",
              "open-air",
              "club-night",
              "workshops",
              "community",
              "markets",
              "other"
            ],
            "type": "string"
          },
          "city": {
            "description": "Only when the user explicitly named a German city or town, e.g. München, Köln, Frankfurt am Main (English names like Munich or Cologne work too). Omit to use the user's approximate location.",
            "maxLength": 120,
            "type": "string"
          },
          "from": {
            "description": "First day to include, YYYY-MM-DD (German local date).",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "language": {
            "default": "de",
            "description": "The language the user writes in: 'de' for German, 'en' for any other language. Sets the language of the event cards.",
            "enum": [
              "de",
              "en"
            ],
            "type": "string"
          },
          "limit": {
            "default": 6,
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          },
          "price": {
            "description": "'free' for free entry only.",
            "enum": [
              "free",
              "paid"
            ],
            "type": "string"
          },
          "query": {
            "description": "Words to match in the event title or venue, e.g. 'Techno', 'Jazz', 'Flohmarkt'. Omit for everything.",
            "maxLength": 200,
            "type": "string"
          },
          "to": {
            "description": "Last day to include, YYYY-MM-DD (German local date).",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "when": {
            "description": "A quick date window. Ignored when `from` is given.",
            "enum": [
              "today",
              "tomorrow",
              "weekend"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_events"
    }
  ]
}

What the leaf hashes

{"body":"0bbb91f7be1736495ac8725c3d2abcdcf51b632cddc6ddf3c8b4ccc248135ba7","id":564136,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793137752221233,"prev":null,"subject":"eac4f793-5314-47d4-89ab-e2211213aae6","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. 0x20d0b4509bf0e82bbfc6d116cfe4a226848f91aa9fd0bcb05e1f46548c94d66e
2. 0x9a9b9b2500ba354af812c5726b3d5d4cd9db4bc3746887bc6e5dd38f11bf6c42
3. 0x27bd0242776265a5be2ecedf0c555c961ac0f54a6e1ba8294d1f2f374593f9fc
4. 0x94f90237a3f98428b810f4289e423a7945d314e77adbe79c5eb86fc9bdc0846a
5. 0x183659eb74b48c2d4f9e045bfdf9a8a2a1aa17954712e664fde48fdf729a27d4
6. 0xcdd2d6b24cca8b7214ab25c8419c7f476dc38b05230399f1e1ca898c9e49bb20
7. 0xd9cdcdbdc2648896c987bf8755682e72b6b60e67ec8669325e80e8a518336980
8. 0x34e915fd028375e26567f4a85c76dbc601ee85dea52ea72d1c2cd5cc9006c2f7
9. 0x29c43958d11e82e1937863c54582d72421458a9271703655089e4be857a0e0f9
10. 0x1b988ecad90134ffab61568269963f788ff682e879f6b40e10a928fd89837e2c
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