Evidence row 1038615

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": "b015f534-9c5b-4351-8f51-4c7dfd6c82df",
          "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
        "scheme": "exact"
      },
      {
        "amount": "1527",
        "asset": "XRP",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "0570255b-8d91-4f00-ac7c-75e2e127be11",
          "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": "2026-10-29T16:29:53.342Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-29T16:29:53.166Z"
    },
    "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":"fe17b7e27ccb09ea30d6566dfcef0e174a6112ebd9debffc84f043a821ced17f","id":1038615,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298273208566,"prev":65783,"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 2026-10-29 (242798 rows).

1. 0x55587dfb987a94413ec9e06b99337a7e17011ab0533b49e9ff66288e132cf70a
2. 0xb5425338369752d787d42af8931a731389955b4422a4dfb6e09065450f528b94
3. 0xc7e3b12097ac73d75d16551a45e94705745f459c27541a6ff0495fe2760317a1
4. 0x388262a3ba6f58fee50339bbd159e6795b2708a82cedcaba2eeee1e12113bcd4
5. 0xc8a6a6dfd23136f5967ce252a3a39ac2b988eaf4a68e385aa90b31a457963397
6. 0x5288fe5490f156ba24f2493ebbaa897f93747c8cc4b03e9030945d09b82f3ef5
7. 0xc594a58bf5a80997ad98efcf7de590795fc1d24b4210d6fc97db8b0f8a8ae3d7
8. 0xb28d6a35125bf03d7597a6126739ee670d1945c7406dda4f2cad799edbc14526
9. 0x0c7951155287e4191f8a2875448614da0a4491b6aab90e307d80fbdcb5b4d964
10. 0x27e4784363cdd27d866862fa0028cc4219ae2991128bcb0ad877a076261caf85
11. 0xff00b72de45ee643160b794b6cf1ace747e13c9087748ced65d447ceb8d644c8
12. 0xa16211a0daac4d8e6bf10f188ed2288cd8b4a1bd931fc66693a302f08549a9e9
13. 0x79a2b064bf90e67cbf49c681e7efbf65c5a717561b62dd64ff2fa0c3ef2f1c4d
14. 0x60542b996483c326b2bd752f929fe970246f1c807373ecefc7577bc6cd0a4cfb
15. 0x0bc4adb5c11d6f42a54004eb9a86e4a9294c3fb793d78af72f971454ecfe5b44
16. 0x976395aaca1b771b7e37710dee4157412909d2398c44e306a2e1e3fe83b984fd
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1