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Evidence row 65783

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://api.companyrecords-api.workers.dev/api/gov/ukcontracts-tenders
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
441b137e3e3e377faf27adaefc3613cabc0de32b09a06ec3c6f4915074b4eda2
Leaf
0x3bc72adc852c28b8f5bdf8857e105af1eb18045aab4dbfb8286f7574777deb9f

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": "0xa4751fCAa83c9669cfe507bb6807507729839be3",
        "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": "23ab1c3b-633d-4bd2-b3c5-c1303a3cbb6e",
          "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
        "scheme": "exact"
      },
      {
        "amount": "1546",
        "asset": "XRP",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "3e3c3feb-5410-4c4c-a7b8-e62e45184fbe",
          "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": "2026-10-25T14:52:54.788Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T14:52:54.225Z"
    },
    "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":"441b137e3e3e377faf27adaefc3613cabc0de32b09a06ec3c6f4915074b4eda2","id":65783,"kind":"listing","method":"baseline/1","observed_us":1793025459189622,"prev":null,"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 (296695 rows).

  1. 0x3bc7b037281067b3049e311d18883fa2b1a5ff2a2cdc13b493dc7d6100be74bc
  2. 0x23042b14d79d2a3c81aa94212c13c3f07c190519413c89b5d96f93d4bffe37f6
  3. 0xf5d4595ba65e2b13cb661c8a2ec59cc4da9c243ebafec177952928cd1aece6ff
  4. 0x6534b4e3ec2556b68ac795cf2c37d40d230b029e0fe42251715b472b446b870e
  5. 0xa66f3a18b23f82333fbfc5a9e1a6c6ae1823c52c285800540d042c03c0c6e19f
  6. 0x67db2705316d23e12379addd14096a8bb8bce0c067da5ab412435e56b2b03c56
  7. 0xfebf2268835619c7b00f817c341601259cb8f9618499328750019bd9922d8032
  8. 0x128250cc4f932a3f2b23ad9d9e16c0ddb977c9b80c527ab4c9addae77b8fe679
  9. 0xf2faf4093728c777232702b119748ec430da4271007ae8518a236a38e4851f96
  10. 0x2e8a687ff66d8afe58fa1b3504a221aae25ce629dbb3718301a0d0479898a139
  11. 0x876d91ae08f3c341c1d9ba4ed92a9c937c054b5c7d6cd935bb21dda6fb029cac
  12. 0xdb4b9388e3fe1df4b04e149e559f925fb354066ae1d2537fd6f918162716fadf
  13. 0xe2214b3d6a48396930d1739b02ea366de2aac5337c9b9ff2aff28cecf6518139
  14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
  15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON