Evidence row 1261750

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.companyrecords-api.workers.dev/api/gov/ukcontracts-tenders"
    ]
  ],
  "name": "SiteCheck Company Records",
  "owner_address": "0xb8491f953e6860d3b5840b73c60883ff099ceafa",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "J8vnmBx4pS1X7UUBTfz1yWBKiw69Dj2yRGRHDaXBRdhR",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:5042",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:143",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x79A02482A880bCE3F13e09Da970dC34db4CD24d1",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:480",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:10",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42220",
        "payTo": "0xb8491F953e6860D3b5840b73c60883Ff099ceAfA",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
        "extra": {
          "areFeesSponsored": true
        },
        "maxTimeoutSeconds": 300,
        "network": "stellar:pubnet",
        "payTo": "GBIX2M7HNL2G2VYU5KZ446OSN55ZWHS3WBEUP4JTLS6R34VXIGTDOAFI",
        "scheme": "exact"
      },
      {
        "amount": "0.002",
        "asset": "524C555344000000000000000000000000000000",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "cd832c25-7045-4f91-96d7-bc5d26ddc15e",
          "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
        "scheme": "exact"
      },
      {
        "amount": "1604",
        "asset": "XRP",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "ce10a79a-a1c4-40d1-9aa9-2056845e7e85",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
        "scheme": "exact"
      }
    ],
    "description": "UK awarded public contracts from Contracts Finder (OCDS search, stage=award): notice ID, date, buyer, contract title, awarded supplier and award value in GBP. Award notices only; the newest page of results.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": "3"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "awards": [
                {
                  "awardDate": "2026-09-21",
                  "awardValueGBP": 64819,
                  "buyer": "HAMPSHIRE COUNTY COUNCIL",
                  "date": "2026-10-23",
                  "noticeId": "9e2db520-6889-4afe-82b5-58950f0d7b6b-918916",
                  "supplier": "Leep Talent Limited",
                  "title": "L3 Data Technician"
                },
                {
                  "awardDate": "2026-02-20",
                  "awardValueGBP": 350200,
                  "buyer": "British Business Bank",
                  "date": "2026-10-23",
                  "noticeId": "1cb23380-9b46-49c9-a99a-e4e3bbba0091-918918",
                  "supplier": "Grant Thornton UK LLP",
                  "title": "GB-Sheffield: External Audit of British Growth Partnership (BGP) Fund"
                }
              ],
              "checkedAt": "2026-10-23T09:37:29.087Z",
              "source": "https://www.contractsfinder.service.gov.uk/Published/Notices/OCDS/Search"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "limit": {
                      "description": "Notices to return, 1 to 10 (default 5)",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-30T12:41:59.462Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-30T12:41:59.225Z"
    },
    "resource": "https://api.companyrecords-api.workers.dev/api/gov/ukcontracts-tenders",
    "serviceName": "SiteCheck Company Records",
    "tags": [
      "gov",
      "ukcontracts",
      "tenders"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "UK awarded public contracts from Contracts Finder (OCDS search, stage=award): notice ID, date, buyer, contract title, awarded supplier and award value in GBP. Award notices only; the newest page of results."
}

What the leaf hashes

{"body":"8ce71509a9cdcbbbcfbf21b9b5fa8c393eb33542f818258879d8e884be16e8c4","id":1261750,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385516083548,"prev":1038615,"subject":"x402_bazaar:https://api.companyrecords-api.workers.dev/api/gov/ukcontracts-tenders","subject_kind":"source_record"}

Proof

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

1. 0x3ca6a0486e0be41daebc2858c1cee43b36315bbae447dd6e59ccf838f3dace57
2. 0xf39c643130de956b7b1f1e9f7821028253c1de866032b0a6898aa16045b7e87d
3. 0x8f1df499ab27ab2e072f4e1b9c5aa88fe10181f1c0024491657a2b64cb47376a
4. 0x8a16943475fd7577f2dd5398f7fc73277e2fcc6795f51fddd254aabc4f8724b9
5. 0x910a372e983fed1fbc54066f215c569651047286ffcd69d0224c7a24c0b22b3a
6. 0xb3bac553cef376da201d3994fe101cd6951c786e942f041575d15057341a58ae
7. 0x5e3ec50df4a0935c4f5d466282910edfcfe4f75f57c189aa4ea1f5acf75084da
8. 0xb31e66f96db223fed01d67e82795afcaf0a09df91832b8af016b75b9fe3ce7c9
9. 0x8c4330e33f0ecd5c459ad538f881e8b9bad967d22d0f86c11bc3e1552bea9cbd
10. 0xed8a4fc4d4ba6eeb6b240db58c4df83c996c1e060d18be340a9d55b207e6c80c
11. 0xf5ff2fd6a35608f8b60c6b9963f6a72348f72c317a19873a5a13029ab9339ce8
12. 0xcec7225eb0c02e15bfdea18670d12c3ebee33e694e322ebba479a584848663f0
13. 0x05e3745d6b84753d0312b870094fda67db896c86a58c40e543116da79d764c1f
14. 0x775f1cf1eda93a75a3d05aa8e7b45b258d1de91c21741301b1aa3d048fba588c
15. 0xd7d5c71ec079257a487d0494049c896f97cf8bf7d89a43fea539777c548c96f3
16. 0x50ca74d7c8f26a46e9c3b8fb5e7f9ebcdfdcc1b7c863db3b6d2b7c12e24ca66f
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861