Evidence row 74936

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://euroref.dev/v1/answers/income-tax"
    ]
  ],
  "name": "Euroref - Europe reference data",
  "owner_address": "0x1f0409ccd20a2fb497d4decef4e17e9d0688fea6",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1F0409ccD20A2fb497d4DeCeF4E17e9d0688FeA6",
        "scheme": "exact"
      }
    ],
    "description": "Statutory income tax on a taxable-income figure: per-bracket workings, effective + marginal rate",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "country": "at",
              "taxable_income": 5000000
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "country": {
                      "description": "ISO country code",
                      "enum": [
                        "at",
                        "be",
                        "bg",
                        "ch",
                        "cy",
                        "cz",
                        "de",
                        "dk",
                        "ee",
                        "es",
                        "eu",
                        "fi",
                        "fr",
                        "gb",
                        "gr",
                        "hr",
                        "hu",
                        "ie",
                        "is",
                        "it",
                        "lt",
                        "lu",
                        "lv",
                        "mt",
                        "nl",
                        "no",
                        "pl",
                        "pt",
                        "ro",
                        "rs",
                        "se",
                        "si",
                        "sk",
                        "tr",
                        "ua"
                      ],
                      "type": "string"
                    },
                    "receipt": {
                      "description": "Optional. true adds an Ed25519 answer receipt on a paid 200, included in this price. Not a certified extract.",
                      "type": "boolean"
                    },
                    "taxable_income": {
                      "description": "Taxable income in the country's local currency, in the schedule's own period basis (annual for most, monthly for CI/UG/ET/CR). NOT gross pay — reliefs are applied before this.",
                      "type": "number"
                    }
                  },
                  "required": [
                    "country",
                    "taxable_income"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "breakdown": {
                      "description": "Per-bracket workings: band, rate, taxable-in-band, tax",
                      "type": "array"
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "effective_rate": {
                      "type": "number"
                    },
                    "marginal_rate": {
                      "type": "number"
                    },
                    "net_of_tax": {
                      "type": "number"
                    },
                    "provenance": {
                      "description": "The statutory instrument the answer rests on: effective_from, last_confirmed, official source URL, notes",
                      "type": "object"
                    },
                    "receipt": {
                      "description": "Only when receipt=true on a paid 200. kind answer_receipt. Verify at /certified/public-key.",
                      "type": "object"
                    },
                    "scope_note": {
                      "description": "Explicit boundary: this is tax on taxable income, NOT net take-home (reliefs + social security excluded)",
                      "type": "string"
                    },
                    "status": {
                      "type": "string"
                    },
                    "tax": {
                      "description": "Statutory income tax on the taxable income",
                      "type": "number"
                    },
                    "tax_unit": {
                      "description": "Present for UVT/UTA/UIT/BPC schedules — the unit's currency value used to scale the bands",
                      "type": "object"
                    }
                  },
                  "required": [
                    "status",
                    "tax",
                    "effective_rate",
                    "breakdown"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791989458/bazaar-icons/f7fc99e5e62a5464.png",
    "lastUpdated": "2026-10-19T18:16:51.637Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-19T18:16:50.407Z"
    },
    "resource": "https://euroref.dev/v1/answers/income-tax",
    "serviceName": "Euroref - Europe reference data",
    "tags": [
      "income-tax",
      "tax",
      "europe"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Statutory income tax on a taxable-income figure: per-bracket workings, effective + marginal rate"
}

What the leaf hashes

{"body":"9a0cc54a1f6d518f3030d1c53b189df78b07522ef389f81b24cadc65f2321f01","id":74936,"kind":"listing","method":"baseline/1","observed_us":1793025489840042,"prev":null,"subject":"x402_bazaar:https://euroref.dev/v1/answers/income-tax","subject_kind":"source_record"}

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. 0x736016dca2fb3a4006b2105d33e932f2f7b0bd973892a2d67728c008db9363fb
2. 0xd63fdd2ba20fc52321cb6f2ab533fbcff33ddbc997a4f85eeb684fcf5acd920f
3. 0xd6c602e69dab9979092af4bc7c9b864e37596cdf144948bde3ea0b3069b502bb
4. 0x3f5472501edebc3d3e5832a6cbb34a5f78c0e5efaeb90d6a8e04a2e13e86a8e5
5. 0x3676b2a4b84540b581636912ce66f3151ecea6dabbbf65f659aaf57143344d06
6. 0xf258428601990dbe1b3fa40c7452191d714b0c8fd68c674f31a078b02e3a3b69
7. 0x5b3414afe06101f9b85ea6a93973ef84f4daaede3299b0f965cc28bae9a847b4
8. 0xfa8d9ac285a3cf15e0ab5438cb6400635d4877c8e048aaf71c18c3b6da71d325
9. 0x3aad5bc0405efd466f4f6073a8bb6e8cb657689daeabe65f912392b84641730a
10. 0xc4ff1fa7f303fed355e4fa9db2b2b2979c4aaf5cf1c573a5efa9b2d63b3dd462
11. 0x4ad1cba264cd30b4cce9fb7c52897b51c3d91649c3d00e37d10c56aed923e338
12. 0x3f193b47c78cf4e7b9e4988cd716854b0e1011e5fcbca161f5a885f1aa02857d
13. 0x06064dc1eb2363bec8c2a752e0a28aafc4bf0cb21d1b1b755821c1575bb77a96
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae