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Evidence row 66771

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://api.jobsproperty-api.workers.dev/api/realestate/cookcountyassessor
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
fd70af2510c622c0d5ecf1c63defec37cf145a3c20d60460142d0bd2bc002550
Leaf
0x2fb77463e19266c3d9a1ae1a175165e4f9d1d1a08e588977897756b70ce1c563

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.jobsproperty-api.workers.dev/api/realestate/cookcountyassessor"
    ]
  ],
  "name": "SiteCheck Jobs & Property",
  "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": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "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": "bef2f625-0675-407a-b84b-f0ca2d92dfb7",
          "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
        "scheme": "exact"
      },
      {
        "amount": "1539",
        "asset": "XRP",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "387db14a-ff27-4a25-8641-422b9edb52f7",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ",
        "scheme": "exact"
      }
    ],
    "description": "Cook County Assessor building characteristics by 14-digit PIN (Open Data portal): year built, building and unit square feet, bedrooms, land square feet and class, per assessment year. Only what the assessor publishes; no owner data.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": "3",
              "pin": "01011010301010"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "checkedAt": "2026-10-23T09:36:59.752Z",
              "count": 3,
              "pin": "01011010301010",
              "source": "https://datacatalog.cookcountyil.gov/resource/3r7i-mrz4.json",
              "years": [
                {
                  "assessmentClass": "299",
                  "bedrooms": 0,
                  "buildingSqft": 54938,
                  "landSqft": 23248,
                  "unitSqft": 175,
                  "year": 2026,
                  "yearBuilt": 2006
                },
                {
                  "assessmentClass": "299",
                  "bedrooms": 0,
                  "buildingSqft": 54938,
                  "landSqft": 23248,
                  "unitSqft": 175,
                  "year": 2025,
                  "yearBuilt": 2006
                }
              ]
            },
            "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": "How many years, 1 to 20 (default 5)",
                      "type": "string"
                    },
                    "pin": {
                      "description": "14-digit Cook County PIN, digits only (dashes allowed)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "pin"
                  ],
                  "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": "2026-10-25T18:34:20.534Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-25T18:34:19.866Z"
    },
    "resource": "https://api.jobsproperty-api.workers.dev/api/realestate/cookcountyassessor",
    "serviceName": "SiteCheck Jobs & Property",
    "tags": [
      "realestate",
      "cookcountyassessor"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Cook County Assessor building characteristics by 14-digit PIN (Open Data portal): year built, building and unit square feet, bedrooms, land square feet and class, per assessment year. Only what the assessor publishes; no owner data."
}

What the leaf hashes

{"body":"fd70af2510c622c0d5ecf1c63defec37cf145a3c20d60460142d0bd2bc002550","id":66771,"kind":"listing","method":"baseline/1","observed_us":1793025461407161,"prev":null,"subject":"x402_bazaar:https://api.jobsproperty-api.workers.dev/api/realestate/cookcountyassessor","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. 0x2fb7d2e1253fcce119aa07a9558ce46537eb37a5644279ed4844fde3b0441e22
  2. 0xce8b4b53457cdc71816cf7fa27000534101abfc636e67e44b43355e5019cddf4
  3. 0x0ceffa7a6d2ebd052931bfb3467b1ecc3952c789435a3a99e849dc33f99b220f
  4. 0xbb4a9ed979c95f6c55f24519a45a134ed6305556858d4b8e95f91a845ea3820d
  5. 0xf83be4389fc1f2db1a5731841eaded8ce1967f0b30e431fb5e98b4b2285cb448
  6. 0x6ab60668bfd0fbb2a47b7fc7aacd741d872fb596e90350ec00d3529c430adfbe
  7. 0xd3a726874caced9bf63f4416bfb6b445502c935b827391520c95adcdbe62ac38
  8. 0x30895bff76427968d69989caac140ae0314d4ae878388333e4bd410821700c76
  9. 0x2598a23a8566e2c4fdbbfdff5dfe632d71ad9f6f6a89e1c4674bdda697c95a0c
  10. 0x6b688efccc67667934f53af0dda473be5dd9a09af5b20b03ee9e17b11c036418
  11. 0x5706295a72541360bda32c42f2b8bcd1e27be58a3989ae29fd4aeb7edddae0ae
  12. 0x12cda00da304cf48d9b3c1874c07a6f0a2e143ba0d25e359b8fd805abb057b32
  13. 0x36a44931b230976c04691d90bf3a25ed4111d74c78b672850d8025a911ca88dd
  14. 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
  15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
  16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON