Evidence row 125047

Observed 26 Oct 2026, 14:40 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://x402-datashop-production.up.railway.app/v1/aviation/metar
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 35492af1b977789bf8eee64617bdad5409c9e4a4dbc4688e3b2cb49b3456c951
Leaf: 0x5d6b69414db1c80c8bbd903e14e829c8295423e38254f08bc7c206fde3cca0a9

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-datashop-production.up.railway.app/v1/aviation/metar"
    ]
  ],
  "name": "eu-verify",
  "owner_address": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
        "scheme": "exact"
      }
    ],
    "description": "Latest METAR observation, decoded, for any ICAO airport worldwide (NOAA AviationWeather.gov): wind direction/speed/gust (kt), temperature/dewpoint (C), visibility, QNH altimeter (hPa), flight category (VFR/MVFR/IFR/LIFR) plus the raw METAR string. Query: ?ids=KJFK,LFPG (1-10 comma-separated ICAO codes). Observations refresh every 30-60 min; 5 min cache.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "ids": "KJFK,LFPG"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 1,
              "metars": [
                {
                  "altimeter_hpa": 1016,
                  "dewpoint_c": 16,
                  "flight_category": "VFR",
                  "icao": "LFPG",
                  "lat": 49.015,
                  "lon": 2.534,
                  "name": "Paris/De Gaulle Arpt, ID, FR",
                  "observed_utc": "2026-07-14T05:30:00Z",
                  "raw": "METAR LFPG 140530Z 01010KT 350V110 CAVOK 20/16 Q1016 NOSIG",
                  "temp_c": 20,
                  "visibility": "6+",
                  "wind_dir_deg": 10,
                  "wind_gust_kt": null,
                  "wind_speed_kt": 10
                }
              ],
              "source": "NOAA AviationWeather.gov data API (US Government, public domain)"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "ids": {
                      "description": "1-10 comma-separated ICAO station codes, e.g. KJFK,LFPG,EGLL",
                      "type": "string"
                    }
                  },
                  "required": [
                    "ids"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T12:34:09.091Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-08T12:34:08.921Z"
    },
    "resource": "https://x402-datashop-production.up.railway.app/v1/aviation/metar",
    "serviceName": "eu-verify",
    "tags": [
      "aviation",
      "metar",
      "weather",
      "airport",
      "icao"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Latest METAR observation, decoded, for any ICAO airport worldwide (NOAA AviationWeather.gov): wind direction/speed/gust (kt), temperature/dewpoint (C), visibility, QNH altimeter (hPa), flight category (VFR/MVFR/IFR/LIFR) plus the raw METAR string. Query: ?ids=KJFK,LFPG (1-10 comma-separated ICAO codes). Observations refresh every 30-60 min; 5 min cache."
}

What the leaf hashes

{"body":"35492af1b977789bf8eee64617bdad5409c9e4a4dbc4688e3b2cb49b3456c951","id":125047,"kind":"listing","method":"baseline/1","observed_us":1793025625740898,"prev":null,"subject":"x402_bazaar:https://x402-datashop-production.up.railway.app/v1/aviation/metar","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).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON