Evidence row 2201261

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://pet-calc.x402tookit.com/aquarium-volume"
    ]
  ],
  "name": "Pet Care Calc",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Aquarium volume in US gallons and litres from inside dimensions, usable water after substrate, and the water's weight.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "height": 12,
              "length": 30,
              "unit": "in",
              "width": 12
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-12T01:16:19.106Z",
              "cubicInches": 4320,
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "grossGallonsUS": 18.7,
              "grossLiters": 70.79,
              "grossWaterWeightLb": 156,
              "notChecked": [
                "the real water line (tanks are filled below the rim)",
                "weight of the glass or acrylic, stand, substrate, rock and equipment",
                "…1 more"
              ],
              "reasons": [
                "US gallon = 231 cubic inches; fresh water weighs about 8.34 lb per gallon (1 kg per litre).",
                "A full tank's weight on its stand is much more than the water alone."
              ],
              "source": "computed locally (231 cubic inches per US gallon)",
              "summary": "18.7 US gallons (70.8 L) gross; about 16.8 gal of water at 90% usable, weighing 140 lb.",
              "ukGallons": 15.57,
              "usableGallonsUS": 16.83,
              "usableLiters": 63.71,
              "usablePercent": 90,
              "verdict": "COMPUTED",
              "waterWeightKg": 63.7,
              "waterWeightLb": 140.4
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "height": {
                      "description": "Inside height up to the water line you will keep",
                      "type": "number"
                    },
                    "length": {
                      "description": "Inside length",
                      "type": "number"
                    },
                    "unit": {
                      "description": "in (default) or cm",
                      "type": "string"
                    },
                    "usablePercent": {
                      "description": "Share of the volume that is water after substrate and decor, 50 to 100 (default 90)",
                      "type": "number"
                    },
                    "width": {
                      "description": "Inside width (front to back)",
                      "type": "number"
                    }
                  },
                  "required": [
                    "length",
                    "width",
                    "height"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "cubicInches": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "grossGallonsUS": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "grossLiters": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "grossWaterWeightLb": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "ukGallons": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "usableGallonsUS": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "usableLiters": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "usablePercent": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "waterWeightKg": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "waterWeightLb": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:07:06.135Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T04:07:05.919Z"
    },
    "resource": "https://pet-calc.x402tookit.com/aquarium-volume",
    "serviceName": "Pet Care Calc",
    "tags": [
      "aquarium",
      "fish",
      "volume",
      "tank"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Aquarium volume in US gallons and litres from inside dimensions, usable water after substrate, and the water's weight."
}

What the leaf hashes

{"body":"fce8e4058f59ec46bb044ff8f228230295f65e9dbed60a6882244c569efca714","id":2201261,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646803094036,"prev":null,"subject":"x402_bazaar:https://pet-calc.x402tookit.com/aquarium-volume","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xbe6ef0e8aedf75fe9adc710f5d5bf13914c290f86d947ec3d582bc13b29b15b6
2. 0xe70bff9d2ef1006e7decc63d696eddb9bb51ac54a4b004fd7bfa61115d7dbacc
3. 0x950e9518d1db7f01b1eaad823eadbf3d2c949006fb0c23c6b9e867596df23503
4. 0x5a48991b5a3badd76070a977a0435abf569980818fa278d15154482e6eaeacaa
5. 0xc5230fe0b0ea956a0851acd6538dc35d549ea513b49ff01cf38b6249c32e9d3d
6. 0x9ea6ce2563393ecd4fef9340520884b2bf3765c74ee4ceab6917207b8c6b8161
7. 0x022579ebdf98fd5422dbea25b06730eec53edbba67e823e6e84803bc862bb149
8. 0xbb67ad244f9532201aa9b68909a281b7bae25657070c026f325f24414ca98f1b
9. 0xf07f14fa2d4fda7f48095666da0cc50f850ca8b5956531849da42b71231ad300
10. 0x7c20db8f69548ab8a6d6325f410545ddeab82784d8035ea74cdc40b50164bd48
11. 0xbd38f0f1074e16b95ac4d2d8f01ff08665bdc071f6bbb275a99308f4d7289841
12. 0x7ab1afbc5dff2f15cd9d70287be5427947cfc03841ccd326471dc4eef08bb4c6
13. 0x047210a388d428d19c536816e7de36503493563ebf77985dcdc7335f49f50a17
14. 0x5483702efe692d367a569024f6ed01075bb22b39176302aa223f423906e01c1e
15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af