Evidence row 2201831

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://units-convert.x402tookit.com/unit-convert"
    ]
  ],
  "name": "Units and Conversions",
  "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": "Convert a value between units of length, mass, volume, area, speed, pressure, energy, power, time or temperature, exactly.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "from": "mi",
              "to": "km",
              "value": 26.2
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T04:01:06.242Z",
              "category": "length",
              "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.",
              "from": "mi",
              "input": 26.2,
              "notChecked": [
                "unit names not in the table (the answer lists none and refuses with 400)",
                "non-standard local units (a US ton and a UK ton differ: ton_us, ton_uk)"
              ],
              "reasons": [
                "Factors are exact international definitions (1 inch = 25.4 mm, 1 lb = 0.45359237 kg, 1 US gallon = 3.785411784 L)."
              ],
              "result": 42.1648128,
              "resultRounded": 42.164813,
              "source": "computed locally",
              "summary": "26.2 mi = 42.1648128 km (length).",
              "to": "km",
              "verdict": "CONVERTED"
            },
            "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, km, lb, kg, gal_us, c, f, psi, kwh",
                      "type": "string"
                    },
                    "to": {
                      "description": "Target unit of the same kind",
                      "type": "string"
                    },
                    "value": {
                      "description": "The number to convert",
                      "type": "number"
                    }
                  },
                  "required": [
                    "value",
                    "from",
                    "to"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "category": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "from": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "input": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "result": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "resultRounded": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "to": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T23:24:05.039Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T23:24:04.855Z"
    },
    "resource": "https://units-convert.x402tookit.com/unit-convert",
    "serviceName": "Units and Conversions",
    "tags": [
      "units",
      "conversion",
      "metric"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Convert a value between units of length, mass, volume, area, speed, pressure, energy, power, time or temperature, exactly."
}

What the leaf hashes

{"body":"2f110676e44be48a80f42aa001ec59b3313094405f5bc2bbaf591f3d4a5f82a5","id":2201831,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646809063946,"prev":null,"subject":"x402_bazaar:https://units-convert.x402tookit.com/unit-convert","subject_kind":"source_record"}

Proof

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

1. 0x188c28909a34bafb7433ad003c66eacad4005ff2cc34bed979d4e76442248bc2
2. 0x414bfdf8aa320df5189b27eedcc00251d216e507c07c14fbcd71033a38483775
3. 0xc99832dd3fc089cf85b00db76eeeabbe1e51a58bac3831f35584dc14097dd284
4. 0xfa8e4812ab177968638981ccce75fb07a90349bb5c0e41f2bd308b238e6a5096
5. 0x2f38b0cec127dff714e6fc4c7de81cea377b55d0abbca35274eae23c18739146
6. 0x8138227a6a9b401465a43a8bcdd00b10fca6b78a9d17ec4af0109eb55c9fbe9b
7. 0x9650faa1ab7ec3816dc11e00007bcff3c47b4908ffb287b410d7dcbcd7415133
8. 0xe68abfe72865a68b4d43674ad3ebcb1d00482e32bfcc6f266b4d8eed8400b0f9
9. 0xb577de9cf6fab973f02abacea1a63b5beef48d0d7f3a0e2280a11173b9673682
10. 0x51e8492a6e341857370d7f6235de4117e3f7a90a71c25ffdf9f42e5643036580
11. 0x9b56ef171652ab82e27da53298facb229ca491e296d82bd62f0e1e6f5354760c
12. 0x1dc8ba8f08085ecc6abc940de99fd78b8c8285acc2d6e3ac9b076bf78b1fc1bb
13. 0x3c6bb4ee00210310afea4db77a3d5e14b8fbfec0b426541034734f028665bbb4
14. 0xad8410fe2298c1ccff00c301cabf57d2495acf6e614e5236bbeb834747908ca4
15. 0xb6470417fdb2a0e3de9c1abb1722cbc88bc0dfb5afda0a77e1eac26ab1683ece
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af