Evidence row 305263

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Registered home sales in a Danish postcode over the past year, per property type: count, median price, median price per m² and the most recent sales with links to their own valuations.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "postcode": {
            "description": "Four-digit Danish postcode, e.g. \"2200\".",
            "pattern": "^\\d{4}$",
            "type": "string"
          }
        },
        "required": [
          "postcode"
        ],
        "type": "object"
      },
      "name": "get_postcode_sales"
    },
    {
      "description": "Statistical market-value estimate for one Danish home: value, likely range, confidence, how it was calculated, the comparable sales it rests on, earlier registered sales and the yearly property tax a new owner would pay. Takes an address_id from search_address. A cold lookup can take up to a minute.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "address_id": {
            "description": "DAR address UUID from search_address.",
            "type": "string"
          }
        },
        "required": [
          "address_id"
        ],
        "type": "object"
      },
      "name": "get_valuation"
    },
    {
      "description": "Search Danish addresses by free text (street, number, floor/door, postcode). Returns address ids to pass to get_valuation. Example query: \"Kilevej 6, 1. mf, 2000\".",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "limit": {
            "description": "Maximum hits (1-10, default 5).",
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Address text, e.g. \"Nørrebrogade 10, 2200\".",
            "maxLength": 120,
            "minLength": 2,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_address"
    }
  ]
}

What the leaf hashes

{"body":"a02e4de2dd661dab9d7c540d0789070f3c835f0875ecefdaa06a7fc8bbd624a1","id":305263,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056355610332,"prev":null,"subject":"6c0929ff-917b-49bf-acd3-3d3ec737ce85","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. 0x842b87d3096333172f9fc5dd2e2cee49aeb94c05d7d3e31cc06b065427e81651
2. 0xeb85476aca7835d328b6fb7a14c80e0da0294c504fda537f62bb2e107c6b6ff4
3. 0x027311b133d06b833e5b7df1bdeae70b55600f548a0f02486f98aadd1d86ce2c
4. 0x757acddc3ab94f83acba49ee12ffeb790440e46ab356556145efe9a7bc78fbb7
5. 0x7bacad2f491c62c3f3a3a6d7677d6bc0cd2b94acf24a1773eb374f7385deb96b
6. 0x762d359b27ce650c11de3c15f49648e950233035df5e2fb8bc9894e2c9c7a689
7. 0xabd00d1396964bb9605a97175037eab80d60fd6e3eaed140b6660d556ef76a14
8. 0xddb92c45d6a2eff84cfcdb312699cb8aec40d8d794a4ec24a146f4bf73a6568a
9. 0xbc133685799c0c4b7637a568865c5e514982efccff17b31c03225489c9c8041a
10. 0x18033a2c4d97bdf70116da2594b654dbb6f1d12267646015d8db5a14fd3724c4
11. 0xdb4295ae338449b07243daebee8c36f16b3aaca1599a8f860eb80e22bca21e79
12. 0xfdaa032291ded0df2cf35d6e9dc6e7a2643d0fe027dd3ab321971f1f7bf69147
13. 0x91c2ae93ec20c7fed5088112fe3941ca622dfb3f8f1022c4844726c361244bd4
14. 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae