Evidence row 564352

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Use this when someone asks where to see Christmas lights (drive-through or walk-through displays) or where to cut their own Christmas tree (choose-and-cut tree farms) near a US city, state or ZIP code, optionally on certain dates in the 2026 season. Choose \"light_displays\" or \"tree_farms\". Returns up to 5 results, nearest first, each with the organizer's published dates and hours (or a note that the dates are not announced yet), how it is viewed or what the farm offers, the official or visitor-bureau page we checked, the date we checked it, the date the answer stops being served and a link to our page. Dates change: always send people to the official site to confirm. Do not use this to list every display or farm, for places outside the United States, for tickets or lodging, or for Christmas markets (find_christmas_markets covers those).",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "end_date": {
            "description": "Optional last day, YYYY-MM-DD. Date ranges are limited to 120 days.",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "kind": {
            "description": "\"light_displays\" for Christmas light displays, \"tree_farms\" for choose-and-cut Christmas tree farms.",
            "enum": [
              "light_displays",
              "tree_farms"
            ],
            "type": "string"
          },
          "place": {
            "description": "The place to search around: \"City, ST\" (for example \"Edmond, OK\"), a US state, or a 5-digit ZIP code. 2-60 characters. Wildcards and \"all\" are not accepted.",
            "maxLength": 60,
            "minLength": 2,
            "type": "string"
          },
          "radius_miles": {
            "description": "Optional search radius in miles, 5 to 250. Default 60. Ignored when the place is a whole state.",
            "maximum": 250,
            "minimum": 5,
            "type": "integer"
          },
          "start_date": {
            "description": "Optional first day you want to go, YYYY-MM-DD (2026 season). Leave out to search from today.",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "viewing": {
            "description": "Optional, light displays only: only drive-through or only walk-through displays. Ignored for tree farms.",
            "enum": [
              "drive_through",
              "walk_through"
            ],
            "type": "string"
          }
        },
        "required": [
          "place",
          "kind"
        ],
        "type": "object"
      },
      "name": "find_christmas_lights_and_tree_farms"
    },
    {
      "description": "Use this when someone asks where and when Christmas markets (Christkindlmarkts, holiday and craft markets) are near a US city, state or ZIP code, optionally on certain dates in the 2026 season. Returns up to 5 markets, nearest first, each with the organizer's published dates and hours (or a note that the dates are not announced yet), venue, setting, entry type, the official or visitor-bureau page we checked, the date we checked it, the date the answer stops being served and a link to our page. Dates change: always send people to the organizer's site to confirm. Do not use this to list every market, for markets outside the United States, for tickets or lodging, or for light displays and tree farms (find_christmas_lights_and_tree_farms covers those).",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "end_date": {
            "description": "Optional last day, YYYY-MM-DD. Date ranges are limited to 120 days.",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "place": {
            "description": "The place to search around: \"City, ST\" (for example \"Edmond, OK\"), a US state, or a 5-digit ZIP code. 2-60 characters. Wildcards and \"all\" are not accepted.",
            "maxLength": 60,
            "minLength": 2,
            "type": "string"
          },
          "radius_miles": {
            "description": "Optional search radius in miles, 5 to 250. Default 60. Ignored when the place is a whole state.",
            "maximum": 250,
            "minimum": 5,
            "type": "integer"
          },
          "start_date": {
            "description": "Optional first day you want to go, YYYY-MM-DD (2026 season). Leave out to search from today.",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          }
        },
        "required": [
          "place"
        ],
        "type": "object"
      },
      "name": "find_christmas_markets"
    }
  ]
}

What the leaf hashes

{"body":"556e88bc0a0470a2fbd28490a29bd4b4f7739f5e807490e821f120660fe13771","id":564352,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793137816377222,"prev":null,"subject":"d9162c49-85f9-4c33-9af2-169a947081cc","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. 0xe672dceb18178cafface5f009495beef2aeacea414a002fef299b609eb78eda2
2. 0x18752e3805f3306910cf3016e98a853b10f2e7013e074f0bb52c93b7cb20517f
3. 0xf4860f246d4d255098abcbea54a93f516e75fe6507c3180f1bf0aa3bcb4b947a
4. 0x21b87b940a8309325c82b5d44fe19c0381e082852c13a8be4bdc8822d710753f
5. 0x76a21044da9ad8b2aed9f42323abfc38b966fa4b124b39cb2b72e9600a3f122c
6. 0x6bec767412ef2e7668f47b57db5105af055e133066f821d658016e0731ea22df
7. 0xce3e80eb51da66d3bf0a974182252633d4e8083cd1841148336079d78f21e0aa
8. 0x054292ede4f4e707f679cd19b94165eb047519f4db1cfde927cfd5f4f0c057cf
9. 0xf3e7262ea5b8fda101c6fe50c8be275884a53b7d396c9293297ca7420bc3bf61
10. 0xde30203342469cfb28b90125a1a50a01e77c23c45b576894aedb3aa890e60b9e
11. 0x27777a9ff9447785be83317401e6f0310ebd43498467f01fedc3424c0ea9deb5
12. 0x4f9b484326a98846a2342f967ce1e64ee9fa304288bb4355ab666475eb77b61c
13. 0xab6eb305329046d5ccb835dd8ca955f794e3ca110379a94dbdc780d016448561
14. 0x41f9f462759cb539183e979fb3eb967d94755cf039c44a64a9a3c4ad97523cfd
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4