Evidence row 67982

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/aquarium/water-parameters"
    ]
  ],
  "name": "Saylor Innovations  Aquarium Wat",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:aquarium:water-parameters",
          "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:aquarium:water-parameters",
          "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:aquarium:water-parameters",
          "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:aquarium:water-parameters",
          "reference": "2ihTyGBRN7ZADC9r3GtjTJ89ujvEXiaWdK9pgXuY4QTq",
          "session": "eyJhcnRpY2xlSWQiOiJhcXVhcml1bTp3YXRlci1wYXJhbWV0ZXJzIiwicmVmZXJlbmNlIjoiMmloVHlHQlJON1pBREM5cjNHdGpUSjg5dWp2RVhpYVdkSzlwZ1h1WTRRVHEiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5Mjk5NzE4MzQ5N30.b8B1KLfTY45WZIqc8K_eP8nHzf9uDtNwbkSpuwYmVAA"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "memo": "saylor:aquarium:water-parameters",
          "reference": "CvTsiYDNmdJRsNjRKhJwDsdWJu4jVSzpLjJkZkZMR7JF",
          "session": "eyJhcnRpY2xlSWQiOiJhcXVhcml1bTp3YXRlci1wYXJhbWV0ZXJzIiwicmVmZXJlbmNlIjoiQ3ZUc2lZRE5tZEpSc05qUktoSndEc2RXSnU0alZTenBMakprWmtaTVI3SkYiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5Mjk5NzE4MzQ5N30.z98WdzHUKoTGrrmpnKqFs6ElXPYyENs2EJmkPUQZTUo"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "96257",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:aquarium:water-parameters",
          "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": "99235",
          "reference": "EL6QrVJEm7hN12yHcosj7tHUC63wiyGVeUNbUp4uYh1x",
          "session": "eyJhcnRpY2xlSWQiOiJhcXVhcml1bTp3YXRlci1wYXJhbWV0ZXJzIiwicmVmZXJlbmNlIjoiRUw2UXJWSkVtN2hOMTJ5SGNvc2o3dEhVQzYzd2l5R1ZlVU5iVXA0dVloMXgiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTYyNTcsImV4cCI6MTc5Mjk5NzE4MzQ5N30.oQKryUFUPwsBiWZo8XplbHw5kY4BmPtquMAXAk3HD9E",
          "solUsdPrice": 100.77
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Free ammonia toxicity, nitrate water-change percent, KH dose and water-quality verdict",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "ammonia_ppm": "0.5",
              "kh_dkh": "3",
              "nitrate_ppm": "60",
              "nitrate_target_ppm": "20",
              "nitrite_ppm": "0.25",
              "ph": "7.8",
              "target_kh_dkh": "5",
              "temp_f": "80",
              "volume_gal": "55"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "free_ammonia_ppm": 0.02,
              "verdict": "caution"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "ammonia_ppm": {
                      "description": "optional total ammonia nitrogen in ppm (query)",
                      "type": "string"
                    },
                    "kh_dkh": {
                      "description": "optional carbonate hardness in dKH (query)",
                      "type": "string"
                    },
                    "nitrate_ppm": {
                      "description": "optional (query)",
                      "type": "string"
                    },
                    "nitrate_target_ppm": {
                      "description": "optional, default 20 (query)",
                      "type": "string"
                    },
                    "nitrite_ppm": {
                      "description": "optional (query)",
                      "type": "string"
                    },
                    "ph": {
                      "description": "optional pH (query)",
                      "type": "string"
                    },
                    "target_kh_dkh": {
                      "description": "optional (query)",
                      "type": "string"
                    },
                    "temp_f": {
                      "description": "optional water temperature in F, default 78 (query)",
                      "type": "string"
                    },
                    "volume_gal": {
                      "description": "required tank water volume in gallons (query)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "volume_gal"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "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": "2026-10-26T06:44:23.538Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T06:44:23.294Z"
    },
    "resource": "https://saylorinnovations.com/api/aquarium/water-parameters",
    "serviceName": "Saylor Innovations  Aquarium Wat",
    "tags": [
      "pets",
      "dog",
      "cat",
      "aquarium",
      "garden"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Free ammonia toxicity, nitrate water-change percent, KH dose and water-quality verdict"
}

What the leaf hashes

{"body":"8fe103bfff8987b3ef6c316c721ee923d238a6f3acbe5f361b602781dad96abf","id":67982,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025465494030,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/aquarium/water-parameters","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. 0x03a923fba605acd4ec3c92725ecbaef3a9756b64c7fa87e5692fc7d138f01c3a
2. 0xf9ab067b86efee8f721e6959b242874e6f82d2b7e0e86f70722f2536d414f50d
3. 0xc6ce8e332e746b30cddcabe05996402f82a8f772a553d1a142f4153bc4690fbc
4. 0xb1e77fa758781ed2070077c06caae5dc640269c45178389f3536af08f00eed2e
5. 0x80aeeb62adb8a1894514fe575071eb7f8a1fc351da6d73216cca0aefaaea78fe
6. 0x54b61d2177dcfbf83374beede087c1118aea7a210d2ab2203629aa3c5bf7fe3e
7. 0x40f013e4eb008c959dbb640c01a8697c0c0e8b306a123ac47413f0ded551d510
8. 0x17ffa792a59e1f74e98a0e907bc84c8c6ee9925e9146f297ef63e840e691e0be
9. 0x9369d7f705c2d6b0561162386f50f3ea46e36c4caebc9cfbecf87ecd6909ace5
10. 0x1f18e0b2e922935cd8cf72485fb2b121046aa17f2946bfa3d06b3e3837120a98
11. 0x0dadbaadc61f6ee6be4586a11afb533e54da3f5fef5c8ec2ecba1bfa573ce6d3
12. 0x23033d81d9f4be06225e4276d276e0e8e02abc173d156a1b9a8fd5e4803ad199
13. 0x610fdf3e989af0a6b4a400a3a8aab9156d757f8c96efe4e9d0594dfd04de1cc0
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae