Evidence row 2201278

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://geo-us.x402tookit.com/coord-distance"
    ]
  ],
  "name": "US Geography",
  "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": "Great-circle (haversine) distance between two coordinates in km, miles and nautical miles, with bearing and midpoint.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "lat1": 40.7128,
              "lat2": 34.0522,
              "lon1": -74.006,
              "lon2": -118.2437
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T04:46:52.819Z",
              "compass": "W",
              "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.",
              "initialBearingDegrees": 273.69,
              "kilometers": 3935.752,
              "meters": 3935751.7,
              "midpoint": {
                "lat": 39.51031,
                "lon": -97.16013
              },
              "miles": 2445.563,
              "nauticalMiles": 2125.136,
              "notChecked": [
                "road, rail or flight-path distance",
                "the ellipsoid (spherical Earth: error up to about 0.5%)",
                "…1 more"
              ],
              "reasons": [
                "Great-circle distance on a spherical Earth; real travel distance is longer."
              ],
              "source": "computed locally",
              "summary": "3935.8 km (2445.6 mi) at initial bearing 273.7 degrees (W).",
              "verdict": "COMPUTED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "lat1": {
                      "description": "Latitude of point 1",
                      "type": "number"
                    },
                    "lat2": {
                      "description": "Latitude of point 2",
                      "type": "number"
                    },
                    "lon1": {
                      "description": "Longitude of point 1",
                      "type": "number"
                    },
                    "lon2": {
                      "description": "Longitude of point 2",
                      "type": "number"
                    }
                  },
                  "required": [
                    "lat1",
                    "lon1",
                    "lat2",
                    "lon2"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "compass": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "initialBearingDegrees": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "kilometers": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "meters": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "midpoint": {
                      "properties": {
                        "lat": {
                          "type": [
                            "null",
                            "number"
                          ]
                        },
                        "lon": {
                          "type": [
                            "null",
                            "number"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "miles": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "nauticalMiles": {
                      "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"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:06:40.487Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T04:06:40.259Z"
    },
    "resource": "https://geo-us.x402tookit.com/coord-distance",
    "serviceName": "US Geography",
    "tags": [
      "distance",
      "haversine",
      "geography"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Great-circle (haversine) distance between two coordinates in km, miles and nautical miles, with bearing and midpoint."
}

What the leaf hashes

{"body":"87a23d2145ce9b9fdd588c49b1d0557dd92e92d43be8cbf306aa753c87f6a5e4","id":2201278,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646803151258,"prev":null,"subject":"x402_bazaar:https://geo-us.x402tookit.com/coord-distance","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. 0x25e2c7063dd4eb87cf4133ab100f73f45ebe50301067fe03a4585a569c6d008f
2. 0xeac2cf778cdd0de4bc2fe7967e0e700656cb54b8465ffbc8d561c9e8fb9f16ff
3. 0x51fc180629c7fd2312d1a6eaad7dce53ca9b2f94f51563a2583a810aef040af4
4. 0xa3f43d109fc08e1e34b5eeea96047a29896ef35550604c7af4438aaee54a4f4a
5. 0x7a20f3508fe626214be379ce9a58035537912851b3d45f9701d78ea5e6333097
6. 0x2d0a4a4d58ffa187f2b50ece3b11fbed940da37c5b09c8901daf1e80acb75fc5
7. 0x2a95f1c5174aec8ab2243d9939915e181462fd854fb02f4d00d02a8e9653063a
8. 0x27e637efd222800608ce4a1d6b693713d32f664cd40e6a71257a8289625f5e46
9. 0xd8bf7412d9ed03ec61f9ba71e1e4a4dd6e394b6b9454b724828cf474bde38abe
10. 0x8fca5eaba07a754548baa048cbffeb34d4ed8ae2a0862d28de99f8bbaca47717
11. 0xc45b40ce7b8f805d90d89793e027d5be69ffddb64b39800fe0b53ccad8282394
12. 0x37b74a9589cf10f22644fef083294d6dc272113f4b9779ee56943269581bb7e0
13. 0x5b0b305b931d60b176fe691af870b79057a88d761c8f0709f7516abe01b03974
14. 0x8d443fc9063dd9f00f5f7476005a8915a8222f4611f5601e212bafbdbbdd6165
15. 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af