Evidence row 120679

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/tax/sales?"
    ]
  ],
  "name": "Saylor Innovations  Sales-Tax Ca",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:tax:sales",
          "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:tax:sales",
          "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:tax:sales",
          "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": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:tax:sales",
          "reference": "CTTVNYd3PJzXW9S8smaEkx5VcHMQsRrc9wpXb6ML4YxS",
          "session": "eyJhcnRpY2xlSWQiOiJ0YXg6c2FsZXMiLCJyZWZlcmVuY2UiOiJDVFRWTllkM1BKelhXOVM4c21hRWt4NVZjSE1Rc1JyYzl3cFhiNk1MNFl4UyIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyMzY3MjI4MjExfQ.MMM5u63QwELQHi8agahieHResCNPf4Ymrb6oWxm-o-s"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:tax:sales",
          "reference": "56rNnr2WxvGBapb2bFCUA24VMSPs1wmChSMGKiB4Mg38",
          "session": "eyJhcnRpY2xlSWQiOiJ0YXg6c2FsZXMiLCJyZWZlcmVuY2UiOiI1NnJObnIyV3h2R0JhcGIyYkZDVUEyNFZNU1BzMXdtQ2hTTUdLaUI0TWczOCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyMzY3MjI4MjEyfQ.LkVEgS3bxyUPcIPtDnRni3BNp3xWhIQ8A9lH7yCEzY0"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "93206",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:tax:sales",
          "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": "96089",
          "reference": "CApE6nfhcBgkHs7tyiDtxXeJaoPMs2t9BsRuKZqKTvV4",
          "session": "eyJhcnRpY2xlSWQiOiJ0YXg6c2FsZXMiLCJyZWZlcmVuY2UiOiJDQXBFNm5maGNCZ2tIczd0eWlEdHhYZUphb1BNczJ0OUJzUnVLWnFLVHZWNCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MzIwNiwiZXhwIjoxNzkyMzY3MjI4MjEyfQ.6BU-NtWJ_F-0kr3AceUdXALxZ7urLHSnC5StWMOXT1A",
          "solUsdPrice": 104.07
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Sales tax calculator from subtotal and rate - tax and total",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "rate": "8.25",
              "subtotal": "100"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "rate_percent": 8.25,
              "scope_note": "Estimate only; exemptions and jurisdiction rules vary.",
              "subtotal": 100,
              "tax_amount": 8.25,
              "total": 108.25
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "rate": {
                      "description": "required non-negative tax rate percentage (query)",
                      "type": "string"
                    },
                    "subtotal": {
                      "description": "required non-negative subtotal (query)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "subtotal",
                    "rate"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "formula": {
                      "description": "Formula used for the calculation",
                      "type": "string"
                    },
                    "rate_percent": {
                      "description": "Rate, as a percentage",
                      "type": "number"
                    },
                    "scope_note": {
                      "description": "What this data covers and what it leaves out",
                      "type": "string"
                    },
                    "subtotal": {
                      "description": "Subtotal before adjustments",
                      "type": "number"
                    },
                    "tax_amount": {
                      "description": "Tax amount",
                      "type": "number"
                    },
                    "total": {
                      "description": "Total number of matching items",
                      "type": "number"
                    }
                  },
                  "required": [
                    "subtotal",
                    "rate_percent",
                    "tax_amount",
                    "total",
                    "scope_note"
                  ],
                  "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/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-18T23:45:08.248Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-18T23:45:07.959Z"
    },
    "resource": "https://saylorinnovations.com/api/tax/sales?",
    "serviceName": "Saylor Innovations  Sales-Tax Ca",
    "tags": [
      "tax",
      "sales-tax",
      "included-tax",
      "tip",
      "calculator"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Sales tax calculator from subtotal and rate - tax and total"
}

What the leaf hashes

{"body":"9feaf85a166e1b4d05edde606dcc9f54272e8d6081ea7ea94d4a6e4bc458e474","id":120679,"kind":"listing","method":"baseline/1","observed_us":1793025618460516,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/tax/sales?","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xf95dcb169a26bc2e886859e98de8d14b77e72028c0dda7fa5c5cecb52a5bc8af
2. 0x5d3d51fb3508e3ca934ce3cd6d17abd75eb1c389b3696b555cfd61b79eb1ec81
3. 0x3edeedaa9478cc6b4e1312cebbe69c97d678aa12fb1ee8cc98d2b2b31e014fd1
4. 0xa6b26e69c800bd0e88d7833f910020973a52172b1b9793a54ceb86c00674d539
5. 0xaba6e38535b0cec151dc74dc52850e5b378abb64b682de1364b4d8f6e9c814b9
6. 0xb5ce5d136aa0defdaf5a651a87c25e087593bbcde0aab59afdd0a2f300b4f59e
7. 0x1ea8586bbdedfbce2f16a25b4b466682e5109b0c8b5409e8ffa08954c71df3b7
8. 0xb37f3366d63504247a5e2171f9ddeec51e4bbb3a76f61eeb064e8723ff8c3055
9. 0x24051ac966d0d8b7a78f1df8f0def3bc80a02f1ccbdac53e557ea8f1c7b43fbf
10. 0x85210340e2640f36393a2bdeeec5e5efdaeac321e157ec624c11a1fb0537912e
11. 0xacf2bf89327756cda11b6915c35395a33fba4f7cdd91adfd8c5f45018f6ddfe8
12. 0x08d20884523152a869ac5da32efc7de7b28316f6e9c2a28242f5ea9da742852f
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae