Evidence row 118800

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://property.payapi.market/stamp-duty"
    ]
  ],
  "name": "property.payapi.market/stamp-duty",
  "owner_address": "0xffc458db291b4abce020fe3de4f91f2770e537b1",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xFFc458dB291b4ABcE020fE3de4f91F2770E537b1",
        "scheme": "exact"
      }
    ],
    "description": "UK Stamp Duty Land Tax (SDLT) calculator with first-time buyer relief and surcharges.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "is_additional_property": false,
              "is_first_time_buyer": false,
              "is_non_resident": false,
              "price": 350000
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "breakdown": [
                {
                  "band": "£0 – £125,000",
                  "rate": "0.0%",
                  "tax": 0
                },
                {
                  "band": "£125,000 – £250,000",
                  "rate": "2.0%",
                  "tax": 2500
                },
                {
                  "band": "£250,000 – £350,000",
                  "rate": "5.0%",
                  "tax": 5000
                }
              ],
              "buyer_type": "Standard",
              "effective_rate": 2.14,
              "price": 350000,
              "total_tax": 7500
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "is_additional_property": {
                      "description": "Second homes / buy-to-let pay a 5% surcharge (Oct 2024 rates).",
                      "type": "boolean"
                    },
                    "is_first_time_buyer": {
                      "description": "First-time buyers get relief on properties up to £625,000.",
                      "type": "boolean"
                    },
                    "is_non_resident": {
                      "description": "Non-UK residents pay an extra 2% surcharge.",
                      "type": "boolean"
                    },
                    "price": {
                      "description": "Property purchase price in GBP.",
                      "minimum": 0,
                      "type": "number"
                    }
                  },
                  "required": [
                    "price"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "breakdown": {
                      "description": "Band-by-band breakdown.",
                      "type": "array"
                    },
                    "buyer_type": {
                      "type": "string"
                    },
                    "effective_rate": {
                      "description": "Effective tax rate as a percentage.",
                      "type": "number"
                    },
                    "price": {
                      "type": "number"
                    },
                    "total_tax": {
                      "description": "Total SDLT payable in GBP.",
                      "type": "number"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T09:57:30.055Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-08T09:57:29.805Z"
    },
    "resource": "https://property.payapi.market/stamp-duty",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "UK Stamp Duty Land Tax (SDLT) calculator with first-time buyer relief and surcharges."
}

What the leaf hashes

{"body":"4361587e810dfe6b94c51315a5db298b50be5d696cc87b4691f4e836d05abde3","id":118800,"kind":"listing","method":"baseline/1","observed_us":1793025613730294,"prev":null,"subject":"x402_bazaar:https://property.payapi.market/stamp-duty","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. 0x23c3b171b5ae510645696aa6d14a865120ee50fcb6cef5413df0a13bbc5e5da9
2. 0x142ec2bf5488276c840c96efe9a95794f4ae2f538f1b9a1c194d2f05c6c536e0
3. 0x404435ad46bc554f4edd25d75ca855a90dbf4465485c7620bdd5501672ecc19c
4. 0xba052bb2acdb888283c68208941aa7930f9086b29da0329b49fe79b41588de3c
5. 0x06acc13c881b1aeb9699060100bde0ab4ec9fb7a0606d9cf7f8a330ed7115d3b
6. 0xcc7f6722d17870806d7f9cd23d40d7ae7f5d205150c63571c977b8ab6160eed8
7. 0x7f996aa54219e16c68d3ce360e2a1ed44779a7d8d4562298022d67066a9125fb
8. 0x9c6ad1cf02df1e6a7d6b0c8bb5d5184ebfa7a9fecca36004f667e0d38ae44231
9. 0xbc5246cda47158df1c064ca68cdd8d908ba87a0a982f369c71005f5c4c337831
10. 0x1f665fd33ff003b77fc5f27a4e56219f36aaae7e346794cb25d15f47d71ec758
11. 0x395ecef2713b13f9a2a88fe836fbc1a4e94906043e3938cd3fd16627be6b95de
12. 0x2ceb9cc3a43f479e6ab73db5d3d474a93995fb4188ee45f71846b4cf537a0016
13. 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

Not published on a chain yet