Evidence row 124094

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://wetter.halowerk.com/ensemble"
    ]
  ],
  "name": "Weather Ensemble",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Single models are everywhere. This is the disagreement between them: per hour a median with a p15/p85 band, the full min/max spread, how many models still carry that hour, an agreement score, rain probability derived from pooled ensemble members rather than one deterministic run, a frost assessment, and the official DWD warnings in force for the point.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "lat": 52.21,
              "lon": 7.02
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "hours": {
                      "default": 24,
                      "description": "Forecast hours, up to 168 (seven days). Short range models drop out beyond their own horizon; the per hour \"models\" count shows it.",
                      "maximum": 168,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "lat": {
                      "description": "Latitude in decimal degrees.",
                      "maximum": 90,
                      "minimum": -90,
                      "type": "number"
                    },
                    "lon": {
                      "description": "Longitude in decimal degrees.",
                      "maximum": 180,
                      "minimum": -180,
                      "type": "number"
                    },
                    "models": {
                      "default": [
                        "icon_d2",
                        "icon_eu",
                        "knmi_harmonie_arome_netherlands",
                        "dmi_seamless",
                        "meteofrance_seamless",
                        "ukmo_seamless",
                        "ecmwf_ifs025",
                        "ecmwf_aifs025_single",
                        "gfs_seamless",
                        "gem_seamless",
                        "jma_seamless",
                        "cma_grapes_global"
                      ],
                      "description": "Restrict the comparison to a subset of the twelve models. At least two, because a comparison of one model is just a forecast.",
                      "items": {
                        "enum": [
                          "icon_d2",
                          "icon_eu",
                          "knmi_harmonie_arome_netherlands",
                          "dmi_seamless",
                          "meteofrance_seamless",
                          "ukmo_seamless",
                          "ecmwf_ifs025",
                          "ecmwf_aifs025_single",
                          "gfs_seamless",
                          "gem_seamless",
                          "jma_seamless",
                          "cma_grapes_global"
                        ],
                        "type": "string"
                      },
                      "minItems": 2,
                      "type": "array"
                    },
                    "timezone": {
                      "default": "UTC",
                      "description": "IANA zone name for the returned timestamps, for example Europe/Berlin.",
                      "type": "string"
                    },
                    "variables": {
                      "default": [
                        "temperature_2m",
                        "precipitation",
                        "wind_speed_10m"
                      ],
                      "description": "Which variables to compare. wind_direction_10m is aggregated as a circular mean with a directional consensus, weather_code as a majority vote; every other variable gets median, p15, p85, min, max and spread.",
                      "items": {
                        "enum": [
                          "temperature_2m",
                          "apparent_temperature",
                          "dew_point_2m",
                          "relative_humidity_2m",
                          "precipitation",
                          "snowfall",
                          "cloud_cover",
                          "wind_speed_10m",
                          "wind_gusts_10m",
                          "surface_pressure",
                          "pressure_msl",
                          "shortwave_radiation",
                          "cape",
                          "wind_direction_10m",
                          "weather_code"
                        ],
                        "type": "string"
                      },
                      "maxItems": 8,
                      "type": "array"
                    }
                  },
                  "required": [
                    "lat",
                    "lon"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-06T12:27:27.692Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-06T12:27:27.265Z"
    },
    "resource": "https://wetter.halowerk.com/ensemble",
    "serviceName": "Weather Ensemble",
    "tags": [
      "x402",
      "halowerk",
      "weather_ensemble"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Single models are everywhere. This is the disagreement between them: per hour a median with a p15/p85 band, the full min/max spread, how many models still carry that hour, an agreement score, rain probability derived from pooled ensemble members rather than one deterministic run, a frost assessment, and the official DWD warnings in force for the point."
}

What the leaf hashes

{"body":"c5a2d4fffe3fac3fa0136a05297a4f8f0a6237aa41c413e9a2e7e25b5737b9f2","id":124094,"kind":"listing","method":"baseline/1","observed_us":1793025624228738,"prev":null,"subject":"x402_bazaar:https://wetter.halowerk.com/ensemble","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).

1. 0x6ca02548c4b3618ab56096a38eb1b5229725d766b6d98cc73f3aa68f600b4aef
2. 0x538b2fc4d623cb2c1d1dcb34d37eafe96a03ffe8b273ba92f457e5ed3371712b
3. 0x3ca24797fc57f6d649095d704b996715e95f122d1b9285523bf6413d76e85682
4. 0x57c690ef2b09b34c9657dc0d8e14671342edb956e06f56c4a6dc8042b2fada82
5. 0x0b2df9a251396ff1e5f98a33a435ff8b7d15029685369a00d6b4274822d137e8
6. 0xe64997b3973f24e8c6ad333bc0ae4f1c6182327d3968adb246cdb65ed0a22c68
7. 0x42ca64873690377b7c377866b430e4dfce5f0f3ef9fabff95654ad6cfbdd2bd7
8. 0xd964f9bc40a980e74c16a4e0e419b862c131810647bb5cb28f4eb3b423632500
9. 0xb3fef3827743bce8ae6e930519079f07d0039591923c9686bea644b6f6e3ca90
10. 0x1631828b23a467fa68c73bdcda698bee8945c692a3555bc7926782e27495a209
11. 0xaf4d0478104c20d31096b9739629a924615768419c52449971b47a4881ebc159
12. 0x929b3f59cbf01edbae456522161805dd51e098dc3a66d845508de46581bb953c
13. 0x9dc4d6f64bc3c323d2c45a28209068cd473b6979bd632a0d694bf94d19bc39df
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae