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Evidence row 68560

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/ustax/paycheck
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a88a537694110acca5cd249fe47caae1ac69bba57feb60da5eb3e20c9ac1009c
Leaf
0xef2985ca679c58d2204f7159b68d93c9473c04f14f26c529b8a7e48ff2a58fbc

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/ustax/paycheck"
    ]
  ],
  "name": "Saylor Innovations  US Paycheck",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:ustax:paycheck",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:ustax:paycheck",
          "name": "USD Coin",
          "note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:137",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:ustax:paycheck",
          "name": "USD Coin",
          "note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:42161",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "memo": "saylor:ustax:paycheck",
          "reference": "A8QFk9yqreyTdpFwvTMQpJv6oAeFFV2iaCMRj4veBZP3",
          "session": "eyJhcnRpY2xlSWQiOiJ1c3RheDpwYXljaGVjayIsInJlZmVyZW5jZSI6IkE4UUZrOXlxcmV5VGRwRnd2VE1RcEp2Nm9BZUZGVjJpYUNNUmo0dmVCWlAzIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI5OTY1NDQzODR9.f0GbAQvKazjIkfcqZNNaNq2OpeqTS34RW05fbxciRs8"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "memo": "saylor:ustax:paycheck",
          "reference": "9Jxr3nRG48yzPG6qfC9shRS7fTdR5SD2ErULC49w6NeY",
          "session": "eyJhcnRpY2xlSWQiOiJ1c3RheDpwYXljaGVjayIsInJlZmVyZW5jZSI6IjlKeHIzblJHNDh5elBHNnFmQzlzaFJTN2ZUZFI1U0QyRXJVTEM0OXc2TmVZIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI5OTY1NDQzODV9.IaWwUEJbceHrlHGp4h7UYUg5RwCcZjsa1o3RPWnlsxE"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "96287",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:ustax:paycheck",
          "native": true,
          "note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
          "quotedLamports": "99265",
          "reference": "3623SWToXGp3gvQiw9otG9mpsuArrrwAKpY5yfvKRPfJ",
          "session": "eyJhcnRpY2xlSWQiOiJ1c3RheDpwYXljaGVjayIsInJlZmVyZW5jZSI6IjM2MjNTV1RvWEdwM2d2UWl3OW90RzltcHN1QXJycndBS3BZNXlmdktSUGZKIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjk2Mjg3LCJleHAiOjE3OTI5OTY1NDQzODV9.CSm_-EmHlGi7sfsiU-zstP8-M9uJZDHuKZ3L4MarOSs",
          "solUsdPrice": 100.74
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "US paycheck calculator - take-home pay per paycheck after federal, FICA, state, 401(k) and health deductions",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "annual_salary": "100000",
              "filing_status": "single",
              "pay_frequency": "biweekly",
              "pretax_401k_percent": "6",
              "state_tax_percent": "4"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "pay_frequency": "biweekly",
              "per_paycheck": {
                "federal_income_tax": 506.54,
                "gross": 3846.15,
                "medicare": 55.77,
                "net_take_home": 3045.38,
                "social_security": 238.46
              },
              "take_home_percent_of_gross": 79.18
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "annual_salary": {
                      "description": "required annual gross salary (query)",
                      "type": "string"
                    },
                    "filing_status": {
                      "description": "optional filing status: single, mfj, mfs or hoh; default single (query)",
                      "type": "string"
                    },
                    "pay_frequency": {
                      "description": "optional, weekly, biweekly, semimonthly or monthly; default biweekly (query)",
                      "type": "string"
                    },
                    "pretax_401k_percent": {
                      "description": "optional, percent of salary into a traditional 401(k) (query)",
                      "type": "string"
                    },
                    "state_tax_percent": {
                      "description": "optional, flat state income tax rate in percent (query)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "annual_salary"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "annual": {
                      "type": "object"
                    },
                    "combined_marginal_rate_percent": {
                      "description": "Combined marginal rate, as a percentage",
                      "type": "number"
                    },
                    "federal_marginal_rate": {
                      "description": "Federal marginal rate",
                      "type": "number"
                    },
                    "formula": {
                      "description": "Formula used for the calculation",
                      "type": "string"
                    },
                    "hourly_equivalent_2080h": {
                      "description": "Hourly equivalent 2080h",
                      "type": "number"
                    },
                    "pay_frequency": {
                      "description": "Pay frequency",
                      "type": "string"
                    },
                    "per_paycheck": {
                      "description": "Per paycheck",
                      "type": "object"
                    },
                    "related_endpoints": {
                      "description": "Related endpoints",
                      "type": "array"
                    },
                    "scope_note": {
                      "description": "What this data covers and what it leaves out",
                      "type": "string"
                    },
                    "take_home_percent_of_gross": {
                      "description": "Take home percent of gross",
                      "type": "number"
                    },
                    "value_of_next_1000_pretax_401k": {
                      "description": "Value of next 1000 pretax 401k",
                      "type": "object"
                    }
                  },
                  "required": [
                    "per_paycheck",
                    "take_home_percent_of_gross"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792548358/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-26T06:33:44.427Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T06:33:44.254Z"
    },
    "resource": "https://saylorinnovations.com/api/ustax/paycheck",
    "serviceName": "Saylor Innovations  US Paycheck",
    "tags": [
      "tax",
      "federal",
      "irs",
      "payroll"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "US paycheck calculator - take-home pay per paycheck after federal, FICA, state, 401(k) and health deductions"
}

What the leaf hashes

{"body":"a88a537694110acca5cd249fe47caae1ac69bba57feb60da5eb3e20c9ac1009c","id":68560,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025466943636,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/ustax/paycheck","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. 0xef2a1d9a4fe591e91c3b10df473af81605572c725f5545664442490f7473c4ba
  2. 0xdb5d6c5eca8dfb5f3dcf7b183dcbc6a44e02bc60970d39ac1caa1d08bc369443
  3. 0xeb09997d1a67442e447c95f5923d3005450a3f7f79ca6a213e5c46619ad3fc16
  4. 0x9e49b8a746a3dd408c254af98d9586357b4cb88c18889e93d992eb14df07450b
  5. 0x56c33c0e0a2f0f5ca703bafcb0882113a5030b6dcb7d636199b86ba0287f28ee
  6. 0xbe3e08067849f47f3bc6057f3819dbb633ea9f58ae9a78173672df5808f91b55
  7. 0xbf861cec0a18408fd54484ae742b1d0c70baf4283ed229f29a14143d27f3201e
  8. 0x97dbb9d37a09afb1211421852dd000f7a62ec1591427dbb84f02bab190a03b8a
  9. 0x440aa12f458b66a948dfcf0f50ac4296e97c9dae5b280a17eee2db6252d7c2b5
  10. 0x561cc4451e40804fde77fce39392adfcb80c38ec84eb38d744520de2446c6e57
  11. 0xd1f02e907670bf2f4c72056210a7d4ee252934850293a927f852acd3952f44a4
  12. 0xb0cc0b4ce5a68e83d3e3e55b0387f828adf6f5eb6cfa666d75f6e16ed9d89c1f
  13. 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
  14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
  15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
  16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
  17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON