addrbookFor publishers
← The evidence ledger

Evidence row 2202228

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://aviation-weather.x402tookit.com/crosswind
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
85e9ddfd4676a1b61d74d6ca98d9f3f0c80ae391f479c605cbc0fe5c8e93aa4b
Leaf
0xaf8c1d7bf951d8b287d69e76475a2ca7677b35bee1cb00e291b73d781a5137f2

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://aviation-weather.x402tookit.com/crosswind"
    ]
  ],
  "name": "Aviation Weather",
  "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": "Live crosswind and headwind components at an airport for a runway heading, including gusts, versus your limit.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "heading": 130,
              "icao": "KJFK",
              "limit_kt": 15
            },
            "type": "http"
          },
          "output": {
            "example": {
              "ageMinutes": 52,
              "asOf": "2026-10-11T03:43:15.913Z",
              "crosswindKt": 3.9,
              "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.",
              "gustCrosswindKt": null,
              "gustHeadwindKt": null,
              "gustKt": null,
              "heading": 130,
              "headwindKt": 4.6,
              "icao": "KJFK",
              "limitKt": 15,
              "notChecked": [
                "wind at the actual runway (the report is for the station)",
                "gusts higher than reported",
                "…1 more"
              ],
              "observed": "2026-10-11T02:51:00.000Z",
              "reasons": [
                "Peak crosswind 3.9 kt against a 15 kt limit.",
                "Headwind component present."
              ],
              "source": "NWS Aviation Weather Center",
              "sourceUrl": "https://aviationweather.gov/data/api",
              "summary": "KJFK: wind 90° 6 kt on heading 130°: crosswind 3.9 kt, headwind 4.6 kt; limit 15 kt.",
              "verdict": "CROSSWIND_WITHIN_LIMIT",
              "windDirection": 90,
              "windKt": 6
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "heading": {
                      "description": "Runway or flight heading in degrees, 0 to 360",
                      "type": "integer"
                    },
                    "icao": {
                      "description": "4-letter ICAO airport code",
                      "type": "string"
                    },
                    "limit_kt": {
                      "description": "Your crosswind limit in knots, default 15",
                      "type": "integer"
                    }
                  },
                  "required": [
                    "icao",
                    "heading"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "ageMinutes": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "crosswindKt": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "gustCrosswindKt": {},
                    "gustHeadwindKt": {},
                    "gustKt": {},
                    "heading": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "headwindKt": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "icao": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "limitKt": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "observed": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "sourceUrl": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "windDirection": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "windKt": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:38:08.803Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:38:08.484Z"
    },
    "resource": "https://aviation-weather.x402tookit.com/crosswind",
    "serviceName": "Aviation Weather",
    "tags": [
      "aviation",
      "crosswind",
      "drone"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Live crosswind and headwind components at an airport for a runway heading, including gusts, versus your limit."
}

What the leaf hashes

{"body":"85e9ddfd4676a1b61d74d6ca98d9f3f0c80ae391f479c605cbc0fe5c8e93aa4b","id":2202228,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646814042751,"prev":null,"subject":"x402_bazaar:https://aviation-weather.x402tookit.com/crosswind","subject_kind":"source_record"}

Proof

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

  1. 0xaf8c49e1e1b116a6b1abc2646c87651f9e1c233825973adf9c6378e6ca16bffd
  2. 0x5b2d35a82425ab6f7e66e591074febe6aa024bfaa5b6c091fb99df58e9395736
  3. 0xffef267478e8cbee16bae8be512bf1a27162c6d5fc61e138aa1ba9424eb10f54
  4. 0x5821df7ad2d65ed1618f8e618168b3e0b9a170bdc137d282d9dbe8c0e1bd0628
  5. 0x2b44613f80bc40a2d8da97b459bf6e3925aa3c8e84ffc101912c08c2954afb1a
  6. 0x678ec0eb199ad489dbf0ff467720f4e7e66d1682d75b0c70aa1afeb9af44bbed
  7. 0xf5ba92698af0a2813d5554a45a28ac8e9e198c925ec34ad98ac6d16e96f76da0
  8. 0xd7d21d2f4aa8222c8ca78ed7807b6febbf513fc2322c267f010b9a53f6410dd2
  9. 0xc1b21e77acbeae997af3f901c1c0f1820eb372993b8536f42ed688ca802779c3
  10. 0xcc1e2be1b07d2749797c343fd80ed2ed97dee2ce056d01083e1500fb1d0b4c53
  11. 0x3afbe32e2dba45a7b2035f3a2323a5d5f2cd1fcf4a91cbbe61f4e64d0914885d
  12. 0x019dcf9ef14ccef70a9013eb1e525d28ee135665e1f6a7649fa663cb42a31a57
  13. 0x026aca682cb5dc6926296949fd7c047905eb55f048c3a7c3bfbbb67e9d07fee8
  14. 0x2f8469a138f90dfcfc93d4f817bc8f20341a871e08f629fe27a2cd40dbfeb340
  15. 0x793184605629cd36ba80a07cbe115ca35e8923297bf024260c6f5c06b255f638
  16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
  17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON