Evidence row 1290864

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Use this when a non-resident owner of a home in Spain asks how much Modelo 210 (Spanish non-resident income tax on the property) they owe for a tax year. Works out each owner's tax on the imputed income of the days the home wasn't let and on the rent, as CasitaTax's simulator does, and returns the method, the sources and a link that opens the simulator with the same answers.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "cadastral_value": {
            "description": "The home's valor catastral in euros, for the tax year: on the IBI receipt (total, not just the land or the building).",
            "exclusiveMinimum": 0,
            "maximum": 100000000,
            "type": "number"
          },
          "expenses": {
            "description": "For rented or part, owners resident in the EU or the EEA: the deductible expenses of the rented period for the whole home, in euros. Ignored for others, who are taxed on the gross rent.",
            "maximum": 10000000,
            "minimum": 0,
            "type": "number"
          },
          "language": {
            "description": "Language of the CasitaTax pages linked in the answer: da, de, en, es, fr, nl, no, fi or sv. Default en.",
            "enum": [
              "da",
              "de",
              "en",
              "es",
              "fr",
              "nl",
              "no",
              "fi",
              "sv"
            ],
            "type": "string"
          },
          "occupancy": {
            "description": "unrented: not let during the tax year (own use, empty); rented: let all year; part: let part of the year.",
            "enum": [
              "unrented",
              "rented",
              "part"
            ],
            "type": "string"
          },
          "owners": {
            "description": "Number of owners, 1 to 6, with equal shares. Default 1.",
            "maximum": 6,
            "minimum": 1,
            "type": "integer"
          },
          "rent": {
            "description": "For rented or part: the rent received for the whole home during the tax year, in euros, before expenses.",
            "maximum": 10000000,
            "minimum": 0,
            "type": "number"
          },
          "rented_days": {
            "description": "For occupancy part: the number of days the home was let during the tax year.",
            "maximum": 365,
            "minimum": 1,
            "type": "integer"
          },
          "residence": {
            "description": "Where the owners live for tax purposes: eu (a country of the EU, or Iceland, Norway, Liechtenstein), uk (United Kingdom), other (anywhere else). One value for all the owners.",
            "enum": [
              "eu",
              "uk",
              "other"
            ],
            "type": "string"
          },
          "revised": {
            "description": "Whether the town's cadastral values were revised collectively and in force since the year the rules require (town_cadastral_data tells). Default unknown: the tax is then a range.",
            "enum": [
              "yes",
              "no",
              "unknown"
            ],
            "type": "string"
          },
          "shares_percent": {
            "description": "Each owner's share of the home in percent, when the shares differ (e.g. [60, 40]); they add up to 100. Replaces owners.",
            "items": {
              "exclusiveMinimum": 0,
              "maximum": 100,
              "type": "number"
            },
            "maxItems": 6,
            "minItems": 1,
            "type": "array"
          },
          "tax_year": {
            "description": "Tax year (the year the income relates to). Default: the latest year whose rules are final.",
            "maximum": 9007199254740991,
            "minimum": -9007199254740991,
            "type": "integer"
          }
        },
        "required": [
          "occupancy",
          "residence",
          "cadastral_value"
        ],
        "type": "object"
      },
      "name": "estimate_modelo_210"
    },
    {
      "description": "Use this when someone asks when a Spanish Modelo 210 (non-resident income tax) is due for a home in Spain: not let, let all year, let part of the year, or sold. Returns each return's filing window, the direct debit's last day, whether the window is open today, what filing late costs, and the sources (Orden HAC/623/2026 changed the windows from tax year 2026).",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "language": {
            "description": "Language of the CasitaTax pages linked in the answer: da, de, en, es, fr, nl, no, fi or sv. Default en.",
            "enum": [
              "da",
              "de",
              "en",
              "es",
              "fr",
              "nl",
              "no",
              "fi",
              "sv"
            ],
            "type": "string"
          },
          "sale_date": {
            "description": "For sold: the day of the sale (the deed), YYYY-MM-DD. Without it, the rule is given without dates.",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "type": "string"
          },
          "situation": {
            "description": "not_rented: the home wasn't let (own use, empty); rented: let all year; rented_part_of_year: let some of the year; sold: the home was sold.",
            "enum": [
              "not_rented",
              "rented",
              "rented_part_of_year",
              "sold"
            ],
            "type": "string"
          }
        },
        "required": [
          "situation"
        ],
        "type": "object"
      },
      "name": "modelo_210_deadlines"
    },
    {
      "description": "Use this when someone needs to know about a Spanish town's cadastral values: the year of its last general revaluation, whether that means the 1.1% or the 2% imputed-income rate for a tax year (pass the revised value to estimate_modelo_210), and its urban IBI rate on homes. From the Catastro's statistics and the Ministerio de Hacienda's open data; País Vasco and Navarra aren't covered.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "ine": {
            "description": "The town's 5-digit INE code, instead of town and province (e.g. 29069 for Marbella).",
            "pattern": "^\\d{5}$",
            "type": "string"
          },
          "language": {
            "description": "Language of the CasitaTax pages linked in the answer: da, de, en, es, fr, nl, no, fi or sv. Default en.",
            "enum": [
              "da",
              "de",
              "en",
              "es",
              "fr",
              "nl",
              "no",
              "fi",
              "sv"
            ],
            "type": "string"
          },
          "province": {
            "description": "The town's province (e.g. Málaga, Alicante, Illes Balears, Santa Cruz de Tenerife), or its 2-digit code. Needed with town.",
            "maxLength": 60,
            "type": "string"
          },
          "tax_year": {
            "description": "Tax year (the year the income relates to). Default: the latest year whose rules are final.",
            "maximum": 9007199254740991,
            "minimum": -9007199254740991,
            "type": "integer"
          },
          "town": {
            "description": "The municipality's name, in Spanish or in the regional language (e.g. Marbella, Jávea or Xàbia). Not a district or an urbanisation: the town it belongs to.",
            "maxLength": 100,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "town_cadastral_data"
    }
  ]
}

What the leaf hashes

{"body":"4a3505a143c0338986ea0c6719d8d817307f5dbeace6a28480a398ae4065d18b","id":1290864,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793397491997545,"prev":null,"subject":"fabf860e-80b3-45d6-b386-6e93cf5bb7cc","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0xaaa9f35f381ae0db489867ba632d2d0765178412da4580fc089084572761aa3a
2. 0x05f98e94ccc0b8202c15b4d72b9c61dacf7a3b701ffafe51b3e25bddd628d5de
3. 0xea366af7cbb1d0ee04f678b6a8a9fd9597899c838da502b95f0fc58e28bb4350
4. 0x3a81959bb3a04084bb7bba38aa93eed16dde1dffe3eaead1015ddba2935dd012
5. 0xc4f8639aac3811e59c979b262f60e3e5135eaafb781aaffb9433d203aba325c4
6. 0xa1068c2e6757c555ff84f63f990f91c8d5fd6daa884ee4ba232cb1644bc5e95e
7. 0x70a750f70078b37b626fba368a33900fb6dc1595aeda0af5d6776dc720a67981
8. 0x70cd05d2d74be16b5b99058dd3b5b7351d95d20af38d3ceb4f0a5bdda3aa6fd5
9. 0x9375c6184cf3112e2e05aa83f359d7220ea458aca6f9616e1f62bb77a5bc54c4
10. 0xfc50c1b865e72630455a9b30f75d1156763f3118cce2778a16dd0be19eadf42a
11. 0x426391d1da46e659dde8c19a8ce58b67540be720e50bc97ae5bbb8d93ddc993f
12. 0x76e57d82df41a8444f66943c853bf0ce1a262f9c2e19695e3f9c368cff55d095
13. 0x9889bd73e5603fc0045beeec785a4e7b83076b3dca643ee2497b1d068fa8e3fc
14. 0xe11a711cdcc033b4d3ff4f10f0568bda761703429a7ddfbf68a7fbd1d22911ff
15. 0x11b43ed362a2fd4976e11eceb94ee4b7edbaf6823474ee1c36489f8f0a0496c4
16. 0x835211170e79bdce1a823ec914e3532e128f77751e9074286da35091b0200284
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861