Evidence row 119566

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/conversion/chart"
    ]
  ],
  "name": "Saylor Innovations  Unit Convers",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:conversion:chart",
          "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": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "memo": "saylor:conversion:chart",
          "reference": "By8jssFCDm5YBujBDt1m8rzyGsPCiVpamhtXz3VrLiAf",
          "session": "eyJhcnRpY2xlSWQiOiJjb252ZXJzaW9uOmNoYXJ0IiwicmVmZXJlbmNlIjoiQnk4anNzRkNEbTVZQnVqQkR0MW04cnp5R3NQQ2lWcGFtaHRYejNWckxpQWYiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MTgxMTc1NTg2N30.qSu6UZP2Bj06Pr_jLYT7NRKtKNBEFAD0I8fPJF4iYV8"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Unit conversion chart for length, weight, volume, area and data from one amount and unit",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "amount": 10,
              "category": "length",
              "from": "meter",
              "scope_note": "Deterministic reference conversion only.",
              "to": "foot",
              "value": 32.808398950131235
            },
            "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"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "amount": {
                      "type": "number"
                    },
                    "base_unit": {
                      "type": "string"
                    },
                    "category": {
                      "type": "string"
                    },
                    "conversions": {
                      "type": "array"
                    },
                    "formula": {
                      "type": "string"
                    },
                    "from": {
                      "type": "string"
                    },
                    "scope_note": {
                      "type": "string"
                    },
                    "to": {
                      "type": "string"
                    },
                    "value": {
                      "type": "number"
                    }
                  },
                  "required": [
                    "category",
                    "amount",
                    "from",
                    "to",
                    "value",
                    "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": "2026-10-12T13:27:15.923Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-12T13:27:15.745Z"
    },
    "resource": "https://saylorinnovations.com/api/conversion/chart",
    "serviceName": "Saylor Innovations  Unit Convers",
    "tags": [
      "conversion",
      "units",
      "calculator"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Unit conversion chart for length, weight, volume, area and data from one amount and unit"
}

What the leaf hashes

{"body":"085ad3d5d567243c0a2d94e701e2968f61f0e0602478e156cac2d3a1781a14db","id":119566,"kind":"listing","method":"baseline/1","observed_us":1793025615938292,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/conversion/chart","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. 0x22232decfebe78e876a3a07afb59befec93a889efd00ab33c463cf880f838960
2. 0x17576c5adb544114761a9c82ddac8586ba47c0bd569d665b48299bed28069edc
3. 0x082e3d8cb2760da77873e6ac22411a653dd251707af14d912aa64415691a2957
4. 0x613f8d7d30fc8f4c441e148747911116c5a0e232674baeb532f8e9dbae456e69
5. 0x6deadd5a85396f1d8776d346f856390e8f7253f8b00aacff03ef697468c54c12
6. 0x88f2be75ed8104dcbe0683fe84173f6287d74a85fdf474ae740289d0f116f9c3
7. 0x5d3bc5010bcef1f5b03c11057bcf229170b2c64de56784d62652ec0f1e707999
8. 0x6bd89eb963965d7d15e23de2417b6f4b344fb3a693dc034cbf032ee3fc2331b7
9. 0x259a8f62e3aa246feb7ec9af3e7725c1345e5d2a573b3b24c6b7bd479cacd7c3
10. 0x799af748a278188f9c62b046d3a85d0c1267a4af67aeaf337854a2e36cc39487
11. 0xda2a271b0447c8ac22315d2ea7582e04968ddef46c7cbd29d7462934a9b3b37a
12. 0xac5b705d705b0f1bc42cf2ad1a7f1f197ea96178ce0704432cbb5d556e8671a4
13. 0x9d75d4d3ab6219edefa04be60b32fdd56be7a7672f370a5115f02f7b098ecd27
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae