Evidence row 120771

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/util/convert"
    ]
  ],
  "name": "Saylor Innovations Real-World Ut",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:util:convert",
          "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:util:convert",
          "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:util:convert",
          "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": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:util:convert",
          "reference": "GNx56njBRjiPwRWAPZfRrh1xv2px9GNV4cmxDDSz3AKk",
          "session": "eyJhcnRpY2xlSWQiOiJ1dGlsOmNvbnZlcnQiLCJyZWZlcmVuY2UiOiJHTng1Nm5qQlJqaVB3UldBUFpmUnJoMXh2MnB4OUdOVjRjbXhERFN6M0FLayIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDg4MjkyMzg3fQ._PZA1tiIek2dsMwhBcGnMOw8GF6pLM_yD3xocFz3jVI"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:util:convert",
          "reference": "GtNN97QMPmrj7NSb1jg4ne4BJAQoLFkNmQ8UubHQXLnG",
          "session": "eyJhcnRpY2xlSWQiOiJ1dGlsOmNvbnZlcnQiLCJyZWZlcmVuY2UiOiJHdE5OOTdRTVBtcmo3TlNiMWpnNG5lNEJKQVFvTEZrTm1ROFV1YkhRWExuRyIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDg4MjkyMzg3fQ.z_zgxhzQBIcS3Io4shtbQraNYnPp2QljUfV73EpPNNA"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "93152",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:util:convert",
          "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": "96033",
          "reference": "6FqySqK7AWgwU86RRecZfK4tmhp239YyzJNzV6yvq7CT",
          "session": "eyJhcnRpY2xlSWQiOiJ1dGlsOmNvbnZlcnQiLCJyZWZlcmVuY2UiOiI2RnF5U3FLN0FXZ3dVODZSUmVjWmZLNHRtaHAyMzlZeXpKTnpWNnl2cTdDVCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MzE1MiwiZXhwIjoxNzkyNDg4MjkyNDQ4fQ.6g18w1-dAgyvxGUnmzCEzr7HlxYa8ZQEo2BUD_6_rsA",
          "solUsdPrice": 104.13
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Unit conversion across length, mass, volume, speed, data, energy, pressure and temperature",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "from": "mi",
              "to": "km",
              "value": "10"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "category": "length",
              "formula": "1 mi = 1.609344 km",
              "from": "mi",
              "result": 16.09344,
              "to": "km",
              "value": 10
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "from": {
                      "description": "unit, e.g. mi, kg, F, GiB (query)",
                      "type": "string"
                    },
                    "to": {
                      "description": "unit of the same kind (query)",
                      "type": "string"
                    },
                    "value": {
                      "description": "number (query)",
                      "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"
                    },
                    "formula": {
                      "description": "Formula used for the calculation",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "from": {
                      "description": "Start of the range",
                      "type": "string"
                    },
                    "result": {
                      "description": "Result of the operation",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "to": {
                      "description": "End of the range",
                      "type": "string"
                    },
                    "value": {
                      "description": "Value of the requested item",
                      "type": [
                        "number",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "result"
                  ],
                  "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/v1790235422/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-20T09:22:52.814Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-20T09:22:51.431Z"
    },
    "resource": "https://saylorinnovations.com/api/util/convert",
    "serviceName": "Saylor Innovations Real-World Ut",
    "tags": [
      "utility",
      "convert",
      "real-world data",
      "util"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Unit conversion across length, mass, volume, speed, data, energy, pressure and temperature"
}

What the leaf hashes

{"body":"be96156c668b62f08954b5464daff7668c475d89e5eddd1927f8bdc285c5327e","id":120771,"kind":"listing","method":"baseline/1","observed_us":1793025618767953,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/util/convert","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. 0xb581fcc85ca9cc757ee4156457aac81a918a06e33400dbfb309983a24b5c0eab
2. 0xe916a8f2731bb37b8cc16aa108d8bda957605d8e818ef99c47febb09cd176980
3. 0x58df37470d7ef0a05acdf673ae8f379f2af169ba2e0a1ed3c18e7dff8bf5c079
4. 0xe14170e1a7c7e26f94e3b2be60f8bbb2b40fa538f2787b9be4d799d372368af8
5. 0xf005bdea5de735fa694a76c76f87f45d8318f3d47ae10b9e9b230497c8fbb6f4
6. 0x80ce190a3a6c5dc965167db29dcc7548fea1cf1a521035a81d87d801d70415f3
7. 0x4fbadfb93d252c6592c8128a3e3b6a43bc1a9051c32e70cd90271ff188ec9c5f
8. 0xfd9b91405f605228f5634ec848b984c5be74dbcf521e2e01569d1342636a2ef2
9. 0xfd5f8959ef4d18cb5218c731d4ef046ce978c4939643b1b4b3760972c1c69428
10. 0xfa2167cea96987427da9b60b2059258d339fc6e57b778e13e60f342a723ebd0f
11. 0x0f199646652e20987f8f0e4e8bd21993538b0737cd758d5cbc6ebcaaa02763a3
12. 0x7a0f1751de1946feff7d8c8afc737dcc4d35f110809c15aa0fdb8363a9e31b2b
13. 0x0d86419ca1dd0b62fd8b22ea2e8c74d441312cec3116a467bea429b43e026565
14. 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae