Evidence row 121561

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://space.halowerk.com/v1/geomagnetic-storm"
    ]
  ],
  "name": "space.halowerk.com/v1/geomagnetic-storm",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "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",
        "recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Maps a caller-supplied Kp value to conventional G0–G5 bands, maps Dst to declared disturbance bands, and combines severity with geomagnetic latitude and infrastructure class. It does not retrieve observations, forecast a storm, model local ground conductivity, or predict equipment failure.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "dst_nanotesla": -135,
              "geomagnetic_latitude_deg": 58,
              "infrastructure": "power_grid",
              "kp_index": 7
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "dst_nanotesla": {
                      "maximum": 1000,
                      "minimum": -2000,
                      "type": "number"
                    },
                    "geomagnetic_latitude_deg": {
                      "maximum": 90,
                      "minimum": -90,
                      "type": "number"
                    },
                    "infrastructure": {
                      "enum": [
                        "satellite",
                        "radio",
                        "navigation",
                        "power_grid",
                        "pipeline"
                      ],
                      "type": "string"
                    },
                    "kp_index": {
                      "maximum": 9,
                      "minimum": 0,
                      "type": "number"
                    }
                  },
                  "required": [
                    "kp_index",
                    "dst_nanotesla",
                    "geomagnetic_latitude_deg",
                    "infrastructure"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T05:40:29.035Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:40:28.832Z"
    },
    "resource": "https://space.halowerk.com/v1/geomagnetic-storm",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Maps a caller-supplied Kp value to conventional G0–G5 bands, maps Dst to declared disturbance bands, and combines severity with geomagnetic latitude and infrastructure class. It does not retrieve observations, forecast a storm, model local ground conductivity, or predict equipment failure."
}

What the leaf hashes

{"body":"7675b22d466bc70d4c4fd4a457882a604963304747dbb06f2ceeac7cf6ad98dd","id":121561,"kind":"listing","method":"baseline/1","observed_us":1793025620071706,"prev":null,"subject":"x402_bazaar:https://space.halowerk.com/v1/geomagnetic-storm","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. 0xf845cd66afaec85bb347436410a899b288636301f55de6bc95e31c2935cabf3e
2. 0x9cd64afdd4561ed637cd9d6892d6e7725b3bf9d7d9718ea93a7e07b819733a3e
3. 0xe142eff14b65927e64a437017b296dc589bfb233834af6635176f4fea9cd1479
4. 0x1d134b9855a7b3629d41c6439c7fbf3cc18319a40fe2897aa0e1434ee912cac9
5. 0x1b8d79c46f35664db7e8f4310e0cb0e5cb8dbf05c8f8bfeb298511f24879702a
6. 0xc49dde7c80690c07bf02eb3043fbee2066a7b4e702294b8d2e6d6a2955d0d8f2
7. 0x7aae4e28559f872374d3708d208b8864976080ababfae4847452040500608ce0
8. 0x4d4931bf7c4e1af4fc887d2beb2661564bd063e4b5c2cca85b41a721cc6e1775
9. 0x87a81a686d43cfabc03a9020ff0bb4bd6b8378c6aa3b015f8c7c116eaca932f7
10. 0x0eea714eaa5097f3236c62c5eab0dbd64a4b080a83c9a924990a89ae274e7c4e
11. 0x0836eb686ada9beddba0f76357ec59493359d2a7c51aa5c4a31d3cfe9873ea74
12. 0xf7eba200f6f1012d700fcc53fc6d57dcafd1019c920b1030d42fa21d4af95d94
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae