Evidence row 119567

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/convert/area"
    ]
  ],
  "name": "Saylor Innovations Dev Tools",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:devkit:convert-area",
          "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": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:devkit:convert-area",
          "reference": "4G71JqBk1WTQG68umdv3umHaRa8sNKWgqQKnZVcrFwPh",
          "session": "eyJhcnRpY2xlSWQiOiJkZXZraXQ6Y29udmVydC1hcmVhIiwicmVmZXJlbmNlIjoiNEc3MUpxQmsxV1RRRzY4dW1kdjN1bUhhUmE4c05LV2dxUUtuWlZjckZ3UGgiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjE1NTA5NDc5NX0.RRaciVL69UO74nIzWn6N5oEb1SGi60MXnuNE_DGoQC4"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Area converter - convert between acres, hectares, square meters, square feet and square kilometers with all equivalents",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "from": "acre",
              "to": "m2",
              "value": "5"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "category": "area",
              "equivalents": {
                "acre": 5,
                "cm2": 202342821.1,
                "ft2": 217800,
                "ha": 2.023428211,
                "in2": 31363200,
                "km2": 0.02023428211,
                "m2": 20234.28211,
                "mi2": 0.0078125,
                "mm2": 20234282110,
                "yd2": 24200
              },
              "formula": "value x (acre per m2) / (m2 per m2)",
              "from": "acre",
              "result": 20234.282112,
              "to": "m2",
              "units": [
                "mm2",
                "cm2",
                "m2",
                "km2",
                "ha",
                "in2",
                "ft2",
                "yd2",
                "acre",
                "mi2"
              ],
              "value": 5
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "POST",
                    "PUT",
                    "PATCH",
                    "DELETE",
                    "HEAD"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "from": {
                      "description": "Unit to convert from",
                      "type": "string"
                    },
                    "to": {
                      "description": "Unit to convert to",
                      "type": "string"
                    },
                    "value": {
                      "description": "Number to convert",
                      "type": "string"
                    }
                  },
                  "required": [
                    "value",
                    "from",
                    "to"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "category": {
                      "description": "Category",
                      "type": "string"
                    },
                    "checked_at": {
                      "description": "Time the check was run (UTC)",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "equivalents": {
                      "description": "Equivalent values in other units",
                      "type": "object"
                    },
                    "formula": {
                      "description": "Formula used for the calculation",
                      "type": "string"
                    },
                    "from": {
                      "description": "Start of the range",
                      "type": "string"
                    },
                    "result": {
                      "description": "Result of the operation",
                      "type": "number"
                    },
                    "to": {
                      "description": "End of the range",
                      "type": "string"
                    },
                    "units": {
                      "description": "Units of measure",
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "value": {
                      "description": "Value of the requested item",
                      "type": "number"
                    }
                  },
                  "required": [
                    "result",
                    "from",
                    "to"
                  ],
                  "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": "2026-10-16T12:49:34.855Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-16T12:49:34.538Z"
    },
    "resource": "https://saylorinnovations.com/api/convert/area",
    "serviceName": "Saylor Innovations Dev Tools",
    "tags": [
      "convert",
      "area",
      "calculator"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Area converter - convert between acres, hectares, square meters, square feet and square kilometers with all equivalents"
}

What the leaf hashes

{"body":"0d4a50266bb539bc1301d13d78af5f5042c8d886dcd57d08da9c3c804859d3dc","id":119567,"kind":"listing","method":"baseline/1","observed_us":1793025615941787,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/convert/area","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. 0xed00c36ee0e57e5ab15790fa44937ed1ec73432f148d9a7e6151b753eb9c8998
2. 0x0f414eb1869fecea58e4f864717b3d192134e958518d4dfd0354bc6090dd1954
3. 0x120afabba40d045366f1fbd54d53bfdd0038c8607b64e6deaa6cb794314c0d33
4. 0xf851f2526b714f3be0bb9c82158358aa996ecdffbe0bf2dc0c4b4b454a6941f3
5. 0xabfe4b3d4a6c5439ecc38727c39b0c0c89528bd508f460ed7d97d887f1d1f782
6. 0x0db20b2c6fa493ef3ffee431e8fd08868ab3e030c9b091a307965adfd2bb92e2
7. 0x3800e6c694a5e05cc7359283af1371b772d318996b3d25e2ceb164446cee49f2
8. 0x90ab809277518c67d7ca66c379122431984820e152539a960bf4adf4164728e2
9. 0x8c91c245df8c0f29a1f183f723aa393ea8ddb939bda6e40565b124a1cfbfff4e
10. 0xf333b1fb4291fc66aba3c2430863d37b43610cc7bcfcad50c56770f5a796facc
11. 0x3f07a2115848067024e2992cb2c05a86eb8d02df5abfcead8bc47854e501603e
12. 0xe158f09cdbfb4f7be1bfd45fce3afcad32c2b3bb2fc2e181dadc193bbf194bfc
13. 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae