Evidence row 302690

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "National Park Service, Forest Service and California State Parks campgrounds nearest a latitude/longitude, with distance, whether each is open today and its booking link. NPS campgrounds follow the park's published schedule; Forest Service ones show the listed status (refreshed every 6 hours). California State Parks camping areas are from its official GIS catalog, which supplies no opening status. \"not listed\" means unknown, not closed. California State Parks attribution is required; commercial GIS use requires permission (https://www.parks.ca.gov/?page_id=29682).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "latitude": {
            "maximum": 90,
            "minimum": -90,
            "type": "number"
          },
          "limit": {
            "default": 15,
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "longitude": {
            "maximum": 180,
            "minimum": -180,
            "type": "number"
          },
          "max_km": {
            "default": 50,
            "maximum": 300,
            "minimum": 1,
            "type": "number"
          },
          "open_today_only": {
            "default": false,
            "type": "boolean"
          }
        },
        "required": [
          "latitude",
          "longitude"
        ],
        "type": "object"
      },
      "name": "campgrounds_find_near"
    },
    {
      "description": "One campground: whether it is open today, the season, how to book it (Recreation.gov or the concessioner, or first come first served), fees, rules, its official page, and a model weather forecast. Accepts an id (e.g. \"upper-pines\") or a name. NPS campgrounds follow the park's published schedule; Forest Service ones show the listed status (refreshed every 6 hours). California State Parks camping areas are from its official GIS catalog, which supplies no opening status. \"not listed\" means unknown, not closed. California State Parks attribution is required; commercial GIS use requires permission (https://www.parks.ca.gov/?page_id=29682).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "campground": {
            "description": "Campground id or name",
            "type": "string"
          }
        },
        "required": [
          "campground"
        ],
        "type": "object"
      },
      "name": "campgrounds_get_status"
    },
    {
      "description": "Find National Park Service, Forest Service and California State Parks campgrounds by name, id, park or national forest (e.g. \"Yosemite\", \"Shasta-Trinity\"), or state (\"CO\", \"Colorado\"), with whether each is open today and its booking link. Returns ids for campgrounds_get_status. NPS campgrounds follow the park's published schedule; Forest Service ones show the listed status (refreshed every 6 hours). California State Parks camping areas are from its official GIS catalog, which supplies no opening status. \"not listed\" means unknown, not closed. California State Parks attribution is required; commercial GIS use requires permission (https://www.parks.ca.gov/?page_id=29682).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "limit": {
            "default": 25,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "open_today_only": {
            "default": false,
            "type": "boolean"
          },
          "query": {
            "description": "Name, id, park, forest or state, case-insensitive",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "campgrounds_search"
    }
  ]
}

What the leaf hashes

{"body":"bf1e834b20e3648321144ad66fd35a0bb291fb6610bf305b4624b40c78134021","id":302690,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793054893736393,"prev":null,"subject":"b0b87ced-17e7-4c56-ac82-006260b85ead","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. 0x1d75a9d72cdda191fef5af9921ca7d3c19b2d0a0732f488742b3f4b393d07a2c
2. 0x3aafe5b648bacbe758f3974a21ef113617a2dcd4fde490a9659e190387887ce0
3. 0x9319f6053e44008f6c11c52f2eb389fb0619eb5da2b5e7c3f557136d779b1774
4. 0xc1640d31642f6a63cf8502844193c9683064385a8e5407a8390bf2a362e91387
5. 0x89e48559b2c853b9347118b40e0a7f0620cae7eabd4248e8ee697d36827f94a8
6. 0x42214b3be9118bb90975d5f0cebe8165c2f0589dafaf0545f5686da1164d928a
7. 0x56d8fda7e8b8432cd3a3a4e75ffb01fa94e79518e9e8965c2440e14089f9a4cb
8. 0x1418aafa61483c8a77e6e9c28289d31987d78ff414b8ac93ecc4ccb8610d0c27
9. 0x401650e78060172b587426fbc195d26513e5d12a9f5e8cfdc013fb5a70140421
10. 0x667c9edc7131bd388a1c1a039f7fddf0a4fbc13b4f1e7297601127a46cdc7292
11. 0xf0f77ed1d484625ddaf2f6e58baa64c9dec47a22b1a6beb91219a17bddac7dfa
12. 0x8e3531af6dd328ff9a174dd19751228f67fa0773c68a89edf859dffbd7b098c3
13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae