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Evidence row 61773

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://agent402.tools/api/federal-awards
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a2ebfe2b54c29172834da7d956a59e0ab86fce570bb3cd2afca2e12735d562b6
Leaf
0x62467a5f4018a816292a536baf51f8dd55d1c628ba6d4ec340c12368ff033e14

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent402.tools/api/federal-awards"
    ]
  ],
  "name": "US federal awards search",
  "owner_address": "0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "outputSchema": {
          "properties": {
            "awards": {
              "items": {
                "properties": {
                  "agency": {
                    "type": "string"
                  },
                  "amountUsd": {
                    "type": "number"
                  },
                  "awardId": {
                    "type": "string"
                  },
                  "description": {
                    "type": "string"
                  },
                  "recipient": {
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": "array"
            },
            "count": {
              "type": "integer"
            },
            "query": {
              "type": "string"
            },
            "source": {
              "type": "string"
            }
          },
          "required": [
            "query",
            "count",
            "awards",
            "source"
          ],
          "type": "object"
        },
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:143",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:43114",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:1329",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "6000",
        "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:10",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
        "extra": {
          "name": "Global Dollar",
          "version": "1"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:4663",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42220",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "permit2",
          "facilitatorAddress": "0x14fDa13953Fc30428938E6BF950d036e77214e52",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "upto"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
        "extra": {
          "areFeesSponsored": true
        },
        "maxTimeoutSeconds": 300,
        "network": "stellar:pubnet",
        "payTo": "GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE",
        "scheme": "exact"
      }
    ],
    "description": "Search US federal contract awards via USAspending.gov by keyword: recipient, award amount, awarding agency, and description - largest awards first. Live gov data, no key.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": 5,
              "q": "Lockheed"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "awards": [
                {
                  "agency": "Department of Energy",
                  "amountUsd": 48063737196.35,
                  "awardId": "…",
                  "description": "…",
                  "recipient": "LOCKHEED MARTIN CORP"
                }
              ],
              "count": 2,
              "query": "Lockheed",
              "source": "api.usaspending.gov (public domain)"
            },
            "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": "Max results 1-20 (default 5)",
                      "type": "number"
                    },
                    "q": {
                      "description": "Keyword to search awards (recipient, program, or description text)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "q"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "awards": {
                      "items": {
                        "properties": {
                          "agency": {
                            "type": "string"
                          },
                          "amountUsd": {
                            "type": "number"
                          },
                          "awardId": {
                            "type": "string"
                          },
                          "description": {
                            "type": "string"
                          },
                          "recipient": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "count": {
                      "type": "integer"
                    },
                    "query": {
                      "type": "string"
                    },
                    "source": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "query",
                    "count",
                    "awards",
                    "source"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_b4aw4uzd"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1787497819/bazaar-icons/478aced8e219894c.png",
    "lastUpdated": "2026-10-20T01:53:40.682Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-20T01:53:40.505Z"
    },
    "resource": "https://agent402.tools/api/federal-awards",
    "serviceName": "US federal awards search",
    "tags": [
      "data",
      "usaspending",
      "federal-spending",
      "contracts",
      "procurement"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search US federal contract awards via USAspending.gov by keyword: recipient, award amount, awarding agency, and description - largest awards first. Live gov data, no key."
}

What the leaf hashes

{"body":"a2ebfe2b54c29172834da7d956a59e0ab86fce570bb3cd2afca2e12735d562b6","id":61773,"kind":"listing","method":"baseline/1","observed_us":1793025451531393,"prev":null,"subject":"x402_bazaar:https://agent402.tools/api/federal-awards","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. 0x62470c3f6421ff95e4eb0e93ae178c01f3b16ac0b724ab06884070a7856e35d4
  2. 0xd6a6a4dae1a74a5c8d84118d35e6bc8956156607383150f7c842dbd49669d234
  3. 0x6862784371441043f56c5021bdc6377cdd2b434ac3249d2cafca5d9b04f537f8
  4. 0xc826c1a4a5d549e71059868fe70d3cdbd4a4818d1e46f0d51acbdbff97b3fcce
  5. 0x5f14a21227580354229cb63951d9438d88dc0a04e4717669f90cf56938e71b36
  6. 0x975507ede098c7d352741cea0ab8eca2c1b7c45a8eecdf851f8f4de9c6e4f3c7
  7. 0x3e462cc0f705e162c83fe3162df7b0cf77508622f5add84e43a5df51ae46b3b9
  8. 0xdfce7b52377f95b9c32215b18d6d85e7c67390db445e46dc14912dbf85ef8c3d
  9. 0xa6fb1e0bdd1a3c43275cc5b87d1f9d1343b9826abaa4f775631533f01d8f1320
  10. 0x4bd779681baa37c7b5e97fc4428314d20a148dc23dbb29b5e37888d340cbe8ec
  11. 0x3d00f56ff37fbd465b8abeb2be25801b2734d79745152d15324c296fa2518752
  12. 0x7285c0b02d1aedd949b8ba0c7b2499f7121588ebdd4c96ef8725919bb84dd534
  13. 0x89fcaf55e37dd777228f271b79ea895534a66ec0d184363c2a6eb1b4d23c9ef1
  14. 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
  15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
  16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
  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