Evidence row 2271654

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Get one building’s record from Umarelli: building permits, assessed value and property tax bill, tax breaks, zoning, and news coverage. The id is a New York City BBL (ten digits), a Jersey City id such as jc:14106:39, or an Umarelli building URL.",
      "inputSchema": {
        "properties": {
          "id": {
            "description": "A building id from search, a BBL, or a building URL",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "fetch"
    },
    {
      "description": "List new-building and major-renovation permits near a street address in New York City (dated by filing) or Jersey City (dated by issue), newest first, each with a link to its building on Umarelli.",
      "inputSchema": {
        "properties": {
          "address": {
            "description": "A street address, e.g. 120 Franklin Street, Brooklyn",
            "type": "string"
          },
          "limit": {
            "default": 20,
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          },
          "radius_meters": {
            "default": 500,
            "maximum": 2000,
            "minimum": 50,
            "type": "number"
          }
        },
        "required": [
          "address"
        ],
        "type": "object"
      },
      "name": "recent_permits"
    },
    {
      "description": "Find buildings in New York City or Jersey City by street address. Returns ids, names and Umarelli page URLs; pass an id to fetch for the full record. New York City is assumed; include \"Jersey City\" to search there.",
      "inputSchema": {
        "properties": {
          "query": {
            "description": "A street address, e.g. 205 Montague Street, Brooklyn",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search"
    }
  ]
}

What the leaf hashes

{"body":"a6c485edf80bd74f060ef9d3a1ed4f4402fbf6ff5bbdb054da0231be327cdff1","id":2271654,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793650193784809,"prev":null,"subject":"4f316063-0147-46d1-a337-ca31f5c943e2","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x514b1f1dd9c6aedc28d6d3bb70bd6de197c621526a2d6ef9bfc27297fdbeb8bb
2. 0x05adbb268255ca189dfdaa8e778fd14fd8cdca088dfdd5b375e62d2e67750d0d
3. 0x92da05941e3f2950861dc2eb15930814352ec99ed27296dcc94f5755f0856f3f
4. 0xf06eb685321944ac11e4f8e28840ab33d350bf8095ea2c0b880255ff91cebe01
5. 0xb99eea33f24e214311237c5332827a5574cd071e9081b3ae3c4d4df6a2ee15f2
6. 0xf8f3601362ea28a3fb2cc5b2452d88a69a4d1ecc1497789149fed0973cb58a20
7. 0x96d690e66b39a6cbe9348e3d1da643227cc6404eb9ec9a14536cdf52c04e6999
8. 0x1c015ec1d58171b11825257ab4d5a8bf5ef967180289e2489f7d2bb25e6a282e
9. 0x60d624f69a0c32ba8f25927d27bd791c31d7734fa7edf5584b886a52a9043f23
10. 0xe67762f68fcb766e77e1cad54e0a9398f0a86d384d11a3942fed128843d8ba26
11. 0x5c97cabc1a04ee681ed6da01745fba68472c3cef06a846eb813000da70207feb
12. 0x58679515da2a1de90c5053570a68d4480d9b62fa1a68c4b30314b90cdc6403fa
13. 0x2f0e87a22fc6aaaa04d17a8f1c5dda340b8d3c208a1b8e26986aed7f54ec42a7
14. 0xa96ecfe7ab9f1788120ca262a1b69b7b258160df41b4041d36fcd211c95d26d9
15. 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af