Evidence row 383318

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Find points of interest near a latitude and longitude.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "lat": {
            "description": "Center latitude.",
            "type": "number"
          },
          "limit": {
            "default": 20,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "lon": {
            "description": "Center longitude.",
            "type": "number"
          },
          "radius": {
            "default": 1000,
            "maximum": 50000,
            "minimum": 1,
            "type": "integer"
          },
          "type": {
            "description": "Optional place category, for example restaurant or cafe.",
            "type": "string"
          }
        },
        "required": [
          "lat",
          "lon"
        ],
        "type": "object"
      },
      "name": "find_nearby_places"
    },
    {
      "description": "Convert an address or place name into latitude and longitude coordinates.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "lang": {
            "description": "Optional language code, for example en.",
            "type": "string"
          },
          "lat": {
            "description": "Optional latitude to bias results.",
            "type": "number"
          },
          "limit": {
            "default": 5,
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "lon": {
            "description": "Optional longitude to bias results.",
            "type": "number"
          },
          "query": {
            "description": "Address or place name to geocode.",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "geocode_address"
    },
    {
      "description": "List supported place categories for place search and nearby queries.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_place_categories"
    },
    {
      "description": "Convert latitude and longitude coordinates into an address.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "lang": {
            "description": "Optional language code, for example en.",
            "type": "string"
          },
          "lat": {
            "description": "Latitude.",
            "type": "number"
          },
          "limit": {
            "default": 1,
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          },
          "lon": {
            "description": "Longitude.",
            "type": "number"
          }
        },
        "required": [
          "lat",
          "lon"
        ],
        "type": "object"
      },
      "name": "reverse_geocode"
    },
    {
      "description": "Search for places by name, optionally biased by location and category.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "country": {
            "description": "Optional country code, for example US.",
            "type": "string"
          },
          "lat": {
            "description": "Optional latitude to bias results.",
            "type": "number"
          },
          "limit": {
            "default": 20,
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "lon": {
            "description": "Optional longitude to bias results.",
            "type": "number"
          },
          "query": {
            "description": "Place name or search query.",
            "type": "string"
          },
          "type": {
            "description": "Optional place category, for example restaurant or cafe.",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_places"
    }
  ]
}

What the leaf hashes

{"body":"15c18a18c0547eff08e6a9a030fd92726790b9510e1e870d35e087f2d9500a4b","id":383318,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793059873005503,"prev":null,"subject":"0effd30f-221f-40ab-885d-5021b911bdf8","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. 0xc16549da132fd7886b764639b1368cd3f5aede1e0ba9854c2959291ad64ff83c
2. 0x86c65491b1931b88591209c42b02a468acef440529426bddf4949561937ac995
3. 0x735a9bc7b252ffc1dc97a5c53f571c6966ca6cc31e67f0179be8bf99e52bde51
4. 0xa47f5eded93abcaf157441a12f88414ec4b93f7f010935c54a5179d76ec4eb13
5. 0xb8d1099442ca7dc47218768f4b35ddc97ae1779f7ce1aa3ac93cc29682408ad3
6. 0x752d5baf6f5487f69110efdb0ad31b3560eb9051e5554a5a631b342ed83a767d
7. 0xdd40799f278d8138db48ccb78023a054a618407a57626bdc16f2c404652139d4
8. 0x68a671d7dfccc459b59a92cfb5f3e8779e17f76fed5683d292d940f52a73414a
9. 0x541a393926f1ac9763f10e22d98d781509fd82f0510ca816b28bd2cfc146941e
10. 0x4ad2073b6d060aec55c09d199990b7db63b4239e653699d60c64726663e6c134
11. 0x5a13fca65d8a7a99a0b9f7a1e93e4c0383a76a0fdbe04d70632715947f716ff4
12. 0xf60d24675361c4e691254e637b8ecddfc4470b91e0ce8ab4c088e46b7460f7f1
13. 0xb48b088603004f0a5232faea4acd65999cbb4832f4c15b0098e853144cb91655
14. 0x077edf0f29e2a3aa19c876439830696b88f0236fd0b2a3c43c76f38cdd29bb2b
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4