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Evidence row 2201301

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://site-climate.x402tookit.com/koppen-class
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
dc29feaf69fd061930db47fb8d2221dc248abf26b92e3579fd114befcf5a7236
Leaf
0x0b0e8b40e024d5dde069c5d8aa61f8934364531cd9d26d85f4f14aa2982a431f

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://site-climate.x402tookit.com/koppen-class"
    ]
  ],
  "name": "Site Climate",
  "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": "Koppen-Geiger climate class (such as Cfa or BSk) for a location, computed from its monthly temperature and rainfall normals.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "lat": 40,
              "lon": -83
            },
            "type": "http"
          },
          "output": {
            "example": {
              "annualRainfallMm": 986,
              "aridityThresholdMm": 35.9,
              "asOf": "2026-10-11T14:45:37.072Z",
              "attribution": "Data: NASA Langley Research Center POWER Project (power.larc.nasa.gov), funded through the NASA Earth Science Directorate Applied Science Program.",
              "coldestMonthC": -2.62,
              "degraded": false,
              "description": "Continental, no dry season, hot summer",
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "firstLetter": "D",
              "koppenCode": "Dfa",
              "latitude": 40,
              "longitude": -83,
              "meanAnnualTempC": 10.95,
              "notChecked": [
                "published Koppen maps: classes here are computed from a 25-year, roughly 50 km grid and can differ from the standard 1991-2020 maps near zone boundaries",
                "elevation and microclimate within the grid cell",
                "…1 more"
              ],
              "reasons": [
                "Data: NASA Langley Research Center POWER Project (power.larc.nasa.gov), funded through the NASA Earth Science Directorate Applied Science Program.",
                "Rules follow the standard Koppen-Geiger scheme: E by warmest month under 10 C, B by the aridity threshold, A by coldest month at 18 C or above, then C or D by coldest month versus 0 C.",
                "…1 more"
              ],
              "source": "NASA POWER",
              "sourceUrl": "https://power.larc.nasa.gov/",
              "summary": "Koppen-Geiger class Dfa: Continental, no dry season, hot summer (mean 10.95 C, 986 mm a year, coldest month -2.62 C, warmest 23.41 C).",
              "verdict": "CLASSIFIED",
              "warmestMonthC": 23.41
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "lat": {
                      "description": "Latitude, -90 to 90",
                      "type": "number"
                    },
                    "lon": {
                      "description": "Longitude, -180 to 180",
                      "type": "number"
                    }
                  },
                  "required": [
                    "lat",
                    "lon"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "annualRainfallMm": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "aridityThresholdMm": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "attribution": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "coldestMonthC": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "description": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "firstLetter": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "koppenCode": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "latitude": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "longitude": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "meanAnnualTempC": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "sourceUrl": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "warmestMonthC": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:06:07.478Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T04:06:07.324Z"
    },
    "resource": "https://site-climate.x402tookit.com/koppen-class",
    "serviceName": "Site Climate",
    "tags": [
      "koppen",
      "climate-zone",
      "classification",
      "geography"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Koppen-Geiger climate class (such as Cfa or BSk) for a location, computed from its monthly temperature and rainfall normals."
}

What the leaf hashes

{"body":"dc29feaf69fd061930db47fb8d2221dc248abf26b92e3579fd114befcf5a7236","id":2201301,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646803239843,"prev":null,"subject":"x402_bazaar:https://site-climate.x402tookit.com/koppen-class","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. 0x0b0e9af328d3f5f0856cc9782bfab7439292c0136c2b2ab64d9e9706f5f3bade
  2. 0x708c0d22b13be3765deb1f786978aeaf110958d3fdac4d2bde3c8fd3634f59af
  3. 0x30ecc04ae856b6a7a38bcc8fb7aecfbf31a0421d9018b368af4b2cb59ac955a0
  4. 0x6ce514e9da66fae58efa61af1c10adfee6cfb47b4364eeeb45f24ced552ffb3e
  5. 0xee36d0199f852689748de53a8aaa4cff6fa0f0db2e968989b00eb39228b26287
  6. 0xeea77d98550e21378d057b94ffcc1af23eea89e4d90f2f92e1f656eaa68d342a
  7. 0x13d3683e04d9b9c402fbaa08822824ec2795958c68ae764da0724469d61566c1
  8. 0xc34388de6e10131c8816eb8f7a96ed2c31c10469896dcefd6e73245d40a6a0d9
  9. 0xb6824112a3f9c3100d58b18034a63a41b7283e74afbd3e7c2f5056591aa184bb
  10. 0xbc7756a30243c018c14d0050ab79d2ef6e4c29d3e244e15da8f113c85a56a1a9
  11. 0x01fb90df122944ff782f038f69b52b74876ed617cff3f93d8476ac05e6098bf9
  12. 0x62de33badd80df7208b6396a7b5f84e1812bd119449601378f8498da3e7a5e36
  13. 0x0e3de14ede58ca786386b84fae42b353877b05ffc635f390b0d80c2d2342d8ad
  14. 0xdd12fe6a2b0c972fe8b92369b1535a7d883c9e1085b61ddaf4130d8880afad75
  15. 0xd82979c12a2aae44121bb6058b3364b3a3cbc9be411e35ab0208df5ed56f65d4
  16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
  17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
  18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON