Evidence row 574558

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Find bike stations in a city with live availability. Filter by a name search and/or sort by distance from a coordinate (results then include distance_km). Without lat/lon, results are sorted by most bikes available.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "city": {
            "description": "City id: one of manchester",
            "type": "string"
          },
          "lat": {
            "description": "Latitude to sort by proximity",
            "type": "number"
          },
          "limit": {
            "default": 10,
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "lon": {
            "description": "Longitude to sort by proximity",
            "type": "number"
          },
          "query": {
            "description": "Case-insensitive station name filter",
            "type": "string"
          }
        },
        "required": [
          "city"
        ],
        "type": "object"
      },
      "name": "find_stations"
    },
    {
      "description": "Time series of bikes available and active stations for a city, one point per 10-minute snapshot, newest first. Up to 90 days of history.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "city": {
            "description": "City id: one of manchester",
            "type": "string"
          },
          "hours": {
            "default": 24,
            "maximum": 2160,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "city"
        ],
        "type": "object"
      },
      "name": "get_availability_trend"
    },
    {
      "description": "Live network totals for a city: bikes available, e-bikes, active stations, bikes docked at stations. Data refreshes every 10 minutes.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "city": {
            "description": "City id: one of manchester",
            "type": "string"
          }
        },
        "required": [
          "city"
        ],
        "type": "object"
      },
      "name": "get_network_status"
    },
    {
      "description": "Busiest stations in a city ranked by average bikes available over the last 24 hours.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "city": {
            "description": "City id: one of manchester",
            "type": "string"
          },
          "limit": {
            "default": 10,
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "city"
        ],
        "type": "object"
      },
      "name": "get_popular_stations"
    },
    {
      "description": "List the bike-share cities Cycle Tracker covers, with their ids (used by every other tool) and map coordinates.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "list_cities"
    }
  ]
}

What the leaf hashes

{"body":"a53489554d474f9968e018dd2d91a0f527db1d6f55d3cf40b8bf7eef1c1123fb","id":574558,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793141579309019,"prev":null,"subject":"40eabd5d-296b-48b1-b9ac-42e5491a922b","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. 0x39f78d91c55ba277a9a321e8bc9d1c56dd1e7e8fb79ffff8a53641999fd18fdf
2. 0x07fc1254fb3767d67533f3e46ccdfec077d9f78d54585ddfd8c9fec6db1c1327
3. 0x80a06cf348b0c5522f8132abeacf1e1b5cf78505c62e4a57dcce527dc2b4ec54
4. 0x268c83ebbc28a5b87a49d01abb531030f232d95f32a481f1d4632528ea58815b
5. 0xcc29a4ccbb3a6ade23a8a1636244ba16938e13ecc5379caedf6742be5962d305
6. 0xd63140f69543daaa63a0b56a452c5487b5a46bd9de745c1623e6d79c4cdd30a6
7. 0x682de82f772d81fab0a7c26576fe27d72fddf8921ff44955ee310e4d44f5db7c
8. 0x7ad992cee7d171b5e44e2c1882eea09258a1dc1d09c4f5a4fddd0227bbdf9ec7
9. 0x4a6e335ddc533fcc2624df247a47c8f07765a512d8321d7c754dea8dc1e37dbc
10. 0x20dbe8a978b71c865495b5eca97e15fce3a6b41f17facc85d1be13c3383515ec
11. 0x3689959f22248b99aac42058fcdd09cd65a6236ef340ba1b624c29d4313a37d4
12. 0x4add9ebe2bbf86a7a32e3cec38874af82baf38b21fde64a6952bf3d4124e2c7f
13. 0x9e70d944564843a0f0d88b623d628ff2e2ac17c172d4ebe0ed141fe8b9f9dae4
14. 0x42784d9809d120654630ee1b254a1dd90a2bbd3024aa180f1a59bbf53e9316e4
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4